XSol Diagnostic System

Interactive Test Sequence Navigator

Welcome to the XSol Diagnostic System

This system provides interactive diagnostic tests with proper sequence navigation based on the decoded .seq file logic.

Start Diagnostic Sequence

or choose a specific test below:

SIME IQE SIMPLICITY

GLOBAL PAGE

Next: &1, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

INFORMATION CASE REMOVAL

Next: &17, !f2

CH OPERATION

Next: &nff, ?495, ?497, ?499, ?507

DHW OPERATION

Next: &10, ?363, ?365, ?367, ?369

PRESSURE GAS INLET

ATTACH PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: &11, !f362

OBSERVATION DOES BURNER IGNITE AND ESTABLISH

Next: &12, ?165, ?167, ?169

OBSERVATION PUMP RUNS

Next: &13, f155

DHW FLOW RATE

Next: &97, f83

TYPE OF DIAGNOSTIC PROCEDURE

Next: &15, !f887

OBSERVATION BOILER SELF CHECK

ENSURE NO DEMANDS

Next: &81, ?18, ?20, ?22, ?32, ?34, ?51

PARAMETER SETTING

Next: &nff, !f50

INITIAL SETUP INFORMATION

Next: &16, !f82

OBSERVATION FAN RUNS

FLOW RATE SET @ 3 L/MIN

Next: &14, f124

ALARM 09

NOT USED

Next: &nff, f785

ALARM 08

NOT USED

Next: &nff, f836

ALARM 07

NOT USED

Next: &nff, f714

ALARM 05

NOT USED

Next: &nff, f554

ALARM 04

NOT USED

Next: &nff, f547

ALARM 03

NOT USED

Next: &nff, f702

ALARM 02

NOT USED

Next: &nff, f546

ALARM 01

NOT USED

Next: &nff, f661

FUSE FURTHER INVESTIGATION

NOT USED

Next: &nff, f853

ALARM 15

NOT USED

Next: &nff, f596

ALARM 14

NOT USED

Next: &nff, f585

ALARM 13

NOT USED

Next: &nff, f629

ALARM 10

NOT USED

Next: &nff, f620

ALARM 08 - FAULT CODE HISTORY

NOT USED

Next: &nff, f999

ALARM 07 - FAULT CODE HISTORY

NOT USED

Next: &nff, f936

ALARM 06 - FAULT CODE HISTORY

NOT USED

Next: &nff, f1080

ALARM 05 - FAULT CODE HISTORY

NOT USED

Next: &nff, f929

ALARM 04 - FAULT CODE HISTORY

NOT USED

Next: &nff, f912

ALARM 02 - FAULT CODE HISTORY

NOT USED

Next: &nff, f893

ALARM 01 - FAULT CODE HISTORY

NOT USED

Next: &nff, f888

ALARM 14 - FAULT CODE HISTORY

NOT USED

Next: &nff, f1045

ALARM 13 - FAULT CODE HISTORY

NOT USED

Next: &nff, f1014

ALARM 10 - FAULT CODE HISTORY

NOT USED

Next: &nff, f1006

ALARM 09 - FAULT CODE HISTORY

NOT USED

Next: &nff, f1055

FAULT CODE HISTORY

BLANK PAGE

Next: &nff, f1142

FAULT CODE HISTORY 5

PCB - MAIN

Next: End

FAULT CODE HISTORY 14

Z REDIRECT

Next: End

FAULT CODE HISTORY

PARAMETER ADJUSTMENT

Next: End

FAULT CODE HISTORY 16

Z REDIRECT

Next: End

FAULT CODE HISTORY

SENSOR - NTC

Next: End

FAULT CODE HISTORY 6

PCB - MAIN

Next: End

FAULT CODE HISTORY 4

HARNESS

Next: End

FAULT CODE HISTORY 3

PUMP - CIRCULATING

Next: End

FAULT CODE HISTORY

BODY - MAIN EXCHANGER

Next: End

FAULT CODE HISTORY 18

Z REDIRECT

Next: End

FAULT CODE HISTORY 2

SENSOR - NTC

Next: End

FAULT CODE HISTORY 20

Z REDIRECT

Next: End

FAULT CODE HISTORY 7

PCB - MAIN

Next: End

FAULT CODE HISTORY 7

HARNESS

Next: End

FAULT CODE HISTORY 2

FILTER 3/4 INCH - CH

Next: End

FAULT CODE HISTORY

ALARM 09 - INFORMATION

Next: End

FAULT CODE HISTORY 3

SENSOR - PLUNGED -CH

Next: End

FAULT CODE HISTORY 22

Z REDIRECT

Next: End

FAULT CODE HISTORY

INLET PRESSURE

Next: End

FAULT CODE HISTORY

TRAP - WATER

Next: End

FAULT CODE HISTORY

COMPENSATION PIPE

Next: End

FAULT CODE HISTORY

FLUE

Next: End

FAULT CODE HISTORY 2

ELECTRODE - IGNITION

Next: End

FAULT CODE HISTORY

MIXER ASSEMBLY

Next: End

FAULT CODE HISTORY

BODY - MAIN EXCHANGER (FLUEWAYS)

Next: End

FAULT CODE HISTORY 24

Z REDIRECT

Next: End

CH DOES NOT RESPOND

PCB - MAIN

Next: End

CH DOES NOT RESPOND 2

PCB - MAIN

Next: End

CH DOES NOT RESPOND 3

PCB - MAIN

Next: End

CH DOES NOT RESPOND 4

PCB - MAIN

Next: End

CH DOES NOT RESPOND 5

PCB - MAIN

Next: End

CH DOES NOT RESPOND 6

PCB - MAIN

Next: End

FAULT CODE HISTORY 12

Z REDIRECT

Next: End

FAULT CDOES HISTORY

Z REDIRECT

Next: End

DOES NOT ESTABLISH

CABLE - IONISATION ELECTRODE

Next: End

FIRE NO DEMAND 2

PCB - MAIN

Next: End

BOILER FIRES WITH NO DEMAND 2

PCB - MAIN

Next: End

DHW COOL RADS COOL

FLUE

Next: End

FAULT CODE 06 HISTORY

CABLE - IONISATION ELECTRODE

Next: End

FUSE INVESTIGATION

TRANSFORMER - IGNITION

Next: End

PUMP RUNS 2

HARNESS

Next: End

SECTION TO DHW HALL SENSOR SHORTED

HARNESS

Next: End

PRESSURE SENSOR SECTION SHORTED

HARNESS

Next: End

PRESSURE SENSOR SECTION SHORTED FAULT CODE HISTORY

HARNESS

Next: End

FAN RUNS

PARAMETER ADJUSTMENT

Next: End

FAN RUNS 3

PCB - MAIN

Next: End

FAN RUNS 4

PCB - MAIN

Next: End

FAN RUNS

HARNESS

Next: End

FAN RUNS

SENSOR - PLUNGED -CH

Next: End

FAN RUNS

SENSOR - PLUNGED - DHW

Next: End

FAN RUNS

FLOW METER

Next: End

PUMP RUNS

HARNESS

Next: End

FAN RUNS2

HARNESS

Next: End

FAN RUNS 3

HARNESS

Next: End

RUNS CONTINUOUSLY

FAN

Next: End

DOES NOT IGNITE

TRAP - WATER

Next: End

DOES NOT IGNITE

INLET PRESSURE

Next: End

CASE REMOVAL

Z REDIRECT

Next: End

DOES NOT IGNITE

FLUE

Next: End

DOES NOT IGNITE 2

PCB - MAIN

Next: End

DOES NOT IGNITE 2

GAS VALVE - SIT

Next: End

DOES NOT IGNITE

PCB - MAIN

Next: End

DOES NOT IGNITE 2

BODY - MAIN EXCHANGER (FLUEWAYS)

Next: End

DOES NOT IGNITE

COMPENSATION PIPE

Next: End

DOES NOT IGNITE 2

MIXER ASSEMBLY

Next: End

DOES NOT IGNITE

ELECTRODE - IGNITION

Next: End

DOES NOT ESTABLISH

TRAP - WATER

Next: End

BAFFLES OUT

COMPENSATION PIPE

Next: End

BAFFLES OUT

TRAP - WATER

Next: End

BAFFLES OUT

INLET PRESSURE

Next: End

BAFFLES OUT

FLUE

Next: End

BAFFLES OUT

MIXER ASSEMBLY

Next: End

BAFFLES OUT

PREMIX - BURNER

Next: End

BAFFLES OUT

BODY - MAIN EXCHANGER (FLUEWAYS)

Next: End

DOES NOT ESTABLISH

INLET PRESSURE

Next: End

DOES NOT ESTABLISH

COMPENSATION PIPE

Next: End

DOES NOT ESTABLISH

MIXER ASSEMBLY

Next: End

INLET GAS PRESSURE

INLET PRESSURE

Next: End

DHW COOL RADS COOL

SENSOR - PLUNGED - DHW

Next: End

DHW COOL RADS COOL

SENSOR - PLUNGED -CH

Next: End

DHW COOL RADS COOL

PUMP - CIRCULATING

Next: End

GAS RATE

PLUMBING ISSUE

Next: End

DHW COOL RADS COOL

PARAMETER ADJUSTMENT

Next: End

FAN RUNNING CONTINUOUSLY

HARNESS

Next: End

GAS RATE 2

Z REDIRECT

Next: End

GAS RATE

MIXER ASSEMBLY

Next: End

GAS RATE

PREMIX - BURNER

Next: End

GAS RATE

BODY - MAIN EXCHANGER (FLUEWAYS)

Next: End

DHW COOL RADS COOL

FILTER 3/4 INCH - CH

Next: End

DHW TOO HOT

SENSOR - PLUNGED - DHW

Next: End

NO PERMANENT DC VOLTAGE TO FAN

PCB - MAIN

Next: End

RADS HEAT NO DEMAND DHW

SENSOR - PLUNGED - DHW

Next: End

RADS HEAT NO DEMAND DHW

SENSOR - PLUNGED -CH

Next: End

RADS HEAT NO DEMAND DHW

PUMP - CIRCULATING

Next: End

RADS HEAT NO DEMAND DHW

FILTER 3/4 INCH - CH

Next: End

ICE DISPLAYED

SENSOR - PLUNGED -CH

Next: End

RADS HEAT NO DEMAND DHW

PCB - MAIN

Next: End

RADS HEAT NO DEMAND DHW

HARNESS

Next: End

PARAMETER SETTING

Z REDIRECT

Next: End

SYSTEM PRESSURE

EXPANSION VESSEL - RECTANGULAR

Next: End

SYSTEM TEMP LOW

SENSOR - PLUNGED -CH

Next: End

SYSTEM TEMP LOW

PARAMETER ADJUSTMENT

Next: End

BOILER @ TEMP RADS COOL

BALL COCK - 3/4 INCH

Next: End

BOILER @ TEMP RADS COOL

PUMP - CIRCULATING

Next: End

BOILER @ TEMP RADS COOL

BODY - DIVERTER VALVE

Next: End

BOILER @ TEMP RADS COOL

BY-PASS 2

Next: End

BOILER @ TEMP RADS COOL

PCB - MAIN

Next: End

BOILER @ TEMP RADS COOL

HARNESS

Next: End

FAULT CODES 2

Z REDIRECT

Next: End

ST-BY

PCB - MAIN

Next: End

FAULT CODE 04

PCB - MAIN

Next: End

FAULT CODE 04

HARNESS

Next: End

FAULT CODE 05

PCB - MAIN

Next: End

FAULT CODE 05

SENSOR - PLUNGED -CH

Next: End

FAULT CODE 14

SENSOR - NTC

Next: End

FAULT CODE 14

PCB - MAIN

Next: End

FAULT CODE 15 3

PCB - MAIN

Next: End

FAULT CODE 15 2

HARNESS

Next: End

FAULT CODE 15

HARNESS

Next: End

FAULT CODE 15 2

PCB - MAIN

Next: End

FAULT CODE 15

PCB - MAIN

Next: End

FAULT CODE 15 3

HARNESS

Next: End

DISPLAY DOES NOT ILLUMINATE

FUSE (FUSED SPUR)

Next: End

FAULT CODE 10

PARAMETER ADJUSTMENT

Next: End

FAULT CODE 10

PCB - MAIN

Next: End

FAULT CODE 13

SENSOR - NTC

Next: End

FAULT CODE 13

PUMP - CIRCULATING

Next: End

FAULT CODE 13 2

PCB - MAIN

Next: End

FAULT CODE 13 3

PCB - MAIN

Next: End

FAULT CODE 13 2

HARNESS

Next: End

FAULT CODE 13

BODY - MAIN EXCHANGER

Next: End

FAULT CODE 01

HARNESS

Next: End

FAULT CODE 01

PCB - MAIN

Next: End

FAULT CODE 02

HARNESS

Next: End

FAULT CODE 3

FILLING LOOP

Next: End

BOILER FIRES WITH NO DEMAND

DHW SYSTEM

Next: End

FAULT CODE 3

EXPANSION VESSEL - RECTANGULAR

Next: End

FAULT CODE 07

THERMOSTAT 100DEG C - SAFETY

Next: End

FAULT CODE 07

LIMIT THERMOSTAT 80DEG C - AUTO RESET

Next: End

FAULT CODE 07

PUMP - CIRCULATING

Next: End

FAULT CODE 07

SENSOR - PLUNGED -CH

Next: End

FAULT CODE 7

FILTER 3/4 INCH - CH

Next: End

FAULT CODE 07

Next: End

FAULT CODE 07 3

PCB - MAIN

Next: End

FAULT CODE 07 2

THERMOSTAT 100DEG C - SAFETY

Next: End

FAULT CODE 07

HARNESS

Next: End

FIRES NO DEMAND

SENSOR-HALL

Next: End

FAULT CODE 9

PCB - MAIN

Next: End

FAULT CODE 9

HARNESS

Next: End

FAULT CODE 9

FILTER 3/4 INCH - CH

Next: End

SET UP

Z REDIRECT

Next: End

FAULT CODE 9

SENSOR - PLUNGED -CH

Next: End

FAULT CODE 09

ALARM 09 - INFORMATION

Next: End

FAULT CODE 08

PCB - MAIN

Next: End

FAULT CODE 08 2

PCB - MAIN

Next: End

FAULT CODE 08

CABLE - IONISATION ELECTRODE

Next: End

FLOW RATE

BALL COCK - 1/2 INCH

Next: End

NO DISPLAY

PCB - FUSE

Next: End

FUSE INVESTIGATION 2

MOTOR - HONEYWELL DIVERTER VALVE

Next: End

FUSE INVESTIGATION

MOTOR - DIVERTER VALVE- BODY - DIVERTER VALVE

Next: End

FUSE INVESTIGATION

PUMP - CIRCULATING

Next: End

FUSE INVESTIGATION

FAN

Next: End

FUSE INVESTIGATION

GAS VALVE - SIT

Next: End

TYPE OF DIAGNOSTIC PROCEDURE

Z REDIRECT

Next: End

FAULT CODE HISTORY ALL 01

HARNESS

Next: End

FAULT CODE HISTORY 2

Z REDIRECT

Next: End

FAULT CODE HISTORY

HARNESS

Next: End

FAULT CODE HISTORY 4

Z REDIRECT

Next: End

FAULT CODE HISTORY 2

HARNESS

Next: End

FAULT CODE HISTORY 6

Z REDIRECT

Next: End

FAULT CODE HISTORY

SENSOR - PLUNGED -CH

Next: End

FAULT CODE HISTORY 8

Z REDIRECT

Next: End

FAULT CODE HISTORY

PUMP - CIRCULATING

Next: End

FAULT CODE HISTORY 2

SENSOR - PLUNGED -CH

Next: End

FAULT CODE HISTORY 4

PCB - MAIN

Next: End

FAULT CODE HISTORY

FILTER 3/4 INCH - CH

Next: End

FLOW RATE

COLD WATER SUPPLY

Next: End

FAULT CODE HISTORY

Next: End

FLOW RATE

FLOW METER

Next: End

FAULT CODE HISTORY

THERMOSTAT 100DEG C - SAFETY

Next: End

FAULT CODE HISTORY 9

Z REDIRECT

Next: End

FAULT CODE HISTORY

GAS VALVE - SIT

Next: End

FAULT CODE HISTORY 13

Z REDIRECT

Next: End

FAULT CODE HISTORY 15

Z REDIRECT

Next: End

FAULT CODE HISTORY 5

HARNESS

Next: End

FAULT CODE HISTORY 2

PUMP - CIRCULATING

Next: End

FAULT CODE HISTORY 17

Z REDIRECT

Next: End

FAULT CODE HISTORY 6

HARNESS

Next: End

FAULT CODE HISTORY 19

Z REDIRECT

Next: End

FAULT CODE HISTORY 4

PUMP - CIRCULATING

Next: End

FAULT CODE HISTORY 3

TRANSDUCER - WATER PRESSURE

Next: End

FAULT CODE HISTORY 2

MANIFOLD GROUP

Next: End

FAULT CODE HISTORY 4

TRANSDUCER - WATER PRESSURE

Next: End

FAULT CODE HISTORY 2

BODY - MAIN EXCHANGER - WATERWAYS

Next: End

FAULT CODE HISTORY 21

Z REDIRECT

Next: End

FAULT CODE HISTORY

ELECTRODE - IGNITION

Next: End

FAULT CODE HISTORY

PREMIX - BURNER

Next: End

FAULT CODE HISTORY 23

Z REDIRECT

Next: End

CH DOES NOT RESPOND

Next: End

CH DOES NOT RESPOND

KIT - PROGRAMMER

Next: End

CH DOES NOT RESPOND 2

Next: End

CH DOES NOT RESPOND 2

KIT - PROGRAMMER

Next: End

CH DOES NOT RESPOND 3

Next: End

CH DOES NOT RESPOND 4

Next: End

CH DOES NOT RESPOND 3

KIT - PROGRAMMER

Next: End

CH DOES NOT RESPOND 5

Next: End

CH DOES NOT RESPOND 6

Next: End

FAULT CODE HISTORY 11

Z REDIRECT

Next: End

DOES NOT ESTABLISH

ELECTRODE - IONISATION

Next: End

BOILER FIRES WITH NO DEMAND

Next: End

BOILER FIRES WITH NO DEMAND 2

Next: End

FAULT CODE 06 HISTORY

ELECTRODE - IONISATION

Next: End

FAULT CODE 06 HISTORY 2

ELECTRODE - IONISATION

Next: End

FUSE INVESTIGATION

PCB - MAIN - FUSE INVESTIGATION

Next: End

FUSE INVESTIGATION 5

HARNESS

Next: End

PUMP RUNS

PCB - MAIN

Next: End

PIUMP RUNS 2

PUMP - CIRCULATING

Next: End

SHORTED OUT

SENSOR-HALL

Next: End

FAN RUNS 2

PCB - MAIN

Next: End

SHORTED OUT

TRANSDUCER - WATER PRESSURE

Next: End

FAULT CODE 02

PCB - MAIN

Next: End

SHORTED OUT FAULT CODE HISTORY

TRANSDUCER - WATER PRESSURE

Next: End

FAULT CODE 02 FAULT CODE HISTORY

PCB - MAIN

Next: End

FAN RUNS

PCB - MAIN

Next: End

FAN RUNS 5

PCB - MAIN

Next: End

FAN RUNS

SENSOR-HALL

Next: End

PUMP RUNS

PUMP - CIRCULATING

Next: End

DOES NOT RUN

FAN

Next: End

DOES NOT RUN 2

FAN

Next: End

DOES NOT IGNITE 2

HARNESS

Next: End

DOES NOT IGNITE

TRANSFORMER - IGNITION

Next: End

DOES NOT IGNITE

HARNESS

Next: End

DOES NOT IGNITE 2

ELECTRODE - IGNITION

Next: End

DOES NOT IGNITE 2

PREMIX - BURNER

Next: End

DOES NOT IGNITE

GAS VALVE - SIT

Next: End

BAFFLES OUT

GAS VALVE - SIT

Next: End

DOES NOT ESTABLISH

PCB - MAIN

Next: End

DOES NOT ESTABLISH 2

ELECTRODE - IONISATION

Next: End

DOES NOT ESTABLISH

PREMIX - BURNER

Next: End

DHW COOL RADS COOL

KIT - HEAT EXCHANGER - 18 PLATE

Next: End

DHW COOL RADS COOL

PCB - MAIN

Next: End

GAS RATE 1

Z REDIRECT

Next: End

GAS RATE

PCB - MAIN

Next: End

DHW COOL RADS COOL

BODY - MAIN EXCHANGER

Next: End

DHW TOO HOT

PCB - MAIN

Next: End

FAN RUNS CONTINIUOUSLY

PCB - MAIN

Next: End

ICE DISPLAYED

ANTI-FREEZE FUNCTION ACTIVATED

Next: End

RADS HEAT NO DEMAND DHW 2

PCB - MAIN

Next: End

ICE DISPLAYED

PCB - MAIN

Next: End

RADS HEAT NO DEMAND DHW

KIT - HEAT EXCHANGER - 18 PLATE

Next: End

RADS HEAT NO DEMAND DHW

BODY - MAIN EXCHANGER

Next: End

RADS HEAT NO DEMAND DHW

BODY - DIVERTER VALVE

Next: End

RADS HEAT NO DEMAND DHW

MOTOR - HONEYWELL DIVERTER VALVE

Next: End

SYSTEM PRESSURE

PIPE - FLEXIBLE

Next: End

SYSTEM TEMP LOW

PCB - MAIN

Next: End

BOILER @ TEMP RADS COOL

Next: End

BOILER @ TEMP RADS COOL

MOTOR - HONEYWELL DIVERTER VALVE

Next: End

FAULT CODES

Z REDIRECT

Next: End

-- DISPLAYED

BOILER POWERED OFF

Next: End

FAULT CODE 04

RETEST APPLIANCE - BOILER RESET AFTER FAULT CODE

Next: End

FAULT CODE 04

SENSOR - PLUNGED - DHW

Next: End

FAULT CODE 05

RETEST APPLIANCE - BOILER RESET AFTER FAULT CODE

Next: End

FAULT CODE 05

HARNESS

Next: End

NO MAINS SUPPLY

Next: End

FAULT CODE 14

HARNESS

Next: End

FAULT CODE 14

RETEST APPLIANCE - BOILER RESET AFTER FAULT CODE

Next: End

FAULT CODE 15 2

FAN

Next: End

FURTHER INVESTIGATION MAINS FUSE

Z REDIRECT

Next: End

FAULT CODE 15

FAN

Next: End

FAULT CODE 15 3

FAN

Next: End

FAULT CODE 10

RETEST APPLIANCE - BOILER RESET AFTER FAULT CODE

Next: End

NO DISPLAY

PCB - MAIN

Next: End

FAULT CODE 13

HARNESS

Next: End

FAULT CODE 13 2

PUMP - CIRCULATING

Next: End

FAULT CODE 13

BOILER RESET - FAULT CODE - ALARM 13

Next: End

FAULT CODE 01

RETEST APPLIANCE - BOILER RESET AFTER FAULT CODE

Next: End

FAULT CODE 02

SYSTEM PRESSURE

Next: End

FAULT CODE 02 2

PCB - MAIN

Next: End

FAULT CODE 02

TRANSDUCER - WATER PRESSURE

Next: End

FAULT CODE 02

MANIFOLD GROUP

Next: End

FAULT CODE 02 2

TRANSDUCER - WATER PRESSURE

Next: End

FAULT CODE 3

PIPE - FLEXIBLE

Next: End

FAULT CODE 3

EXCESSIVE SYSTEM PRESSURE

Next: End

FAULT CODE 07

PCB - MAIN

Next: End

FAULT CODE 07

RETEST APPLIANCE - BOILER RESET AFTER FAULT CODE

Next: End

FAULT CODE 07 2

PCB - MAIN

Next: End

FIRES NO DEMAND

PCB - MAIN

Next: End

FAULT CODE 07 2

LIMIT THERMOSTAT 80DEG C - AUTO RESET

Next: End

FAULT CODE 07

KIT - HEAT EXCHANGER - 18 PLATE

Next: End

FAULT CODE 07

THERMAL FUSE - FAULT CODE 07

Next: End

FAULT CODE 9

PUMP - CIRCULATING

Next: End

FAULT CODE 9 2

TRANSDUCER - WATER PRESSURE

Next: End

FAULT CODE 9

MANIFOLD GROUP

Next: End

FAULT CODE 9

TRANSDUCER - WATER PRESSURE

Next: End

FAULT CODE 09

BODY - MAIN EXCHANGER - WATERWAYS

Next: End

FAULT CODE 07

BODY - MAIN EXCHANGER - WATERWAYS

Next: End

FAULT CODE 09

RETEST APPLIANCE - BOILER RESET AFTER FAULT CODE

Next: End

FAULT CODE 08

RETEST APPLIANCE - BOILER RESET AFTER FAULT CODE

Next: End

FAULT CODE 8

GAS VALVE - SIT

Next: End

FAULT CODE 08

ELECTRODE - IONISATION

Next: End

NO DISPLAY 2

PCB - MAIN

Next: End

FURTHER INVESTIGATION PCB FUSE

Z REDIRECT

Next: End

FUSE INVESTIGATION

HARNESS

Next: End

FUSE INVESTIGATION 2

HARNESS

Next: End

FUSE INVESTIGATION 3

HARNESS

Next: End

FUSE INVESTIGATION 4

HARNESS

Next: End

FLOW RATE

KIT - HEAT EXCHANGER - 18 PLATE

Next: End

FAULT CODE HISTORY

Z REDIRECT

Next: End

FAULT CODE HISTORY

PCB - MAIN

Next: End

FAULT CODE HISTORY

TRANSDUCER - WATER PRESSURE

Next: End

FAULT CODE HISTORY

MANIFOLD GROUP

Next: End

FAULT CODE HISTORY 2

TRANSDUCER - WATER PRESSURE

Next: End

FAULT CODE HISTORY 3

Z REDIRECT

Next: End

FAULT CODE HISTORY

SENSOR - PLUNGED - DHW

Next: End

FAULT CODE HISTORY 5

Z REDIRECT

Next: End

FAULT CODE HISTORY 3

HARNESS

Next: End

FAULT CODE HISTORY 7

Z REDIRECT

Next: End

FAULT CODE HISTORY

KIT - HEAT EXCHANGER - 18 PLATE

Next: End

FAULT CODE HISTORY

BODY - MAIN EXCHANGER - WATERWAYS

Next: End

FAULT CODE HISTORY 3

PCB - MAIN

Next: End

FAULT CODE HISTORY

LIMIT THERMOSTAT 80DEG C - AUTO RESET

Next: End

FAULT CODE HISTORY 10

Z REDIRECT

Next: End

MANIFOLD BLOCKED

CHARACTERISTIC TEST FROM INSPECTION SENSOR - SYSTEM PRESSURE

Next: !p1066

PRESSURE SENSOR BLOCKED

CHARACTERISTIC TEST FROM INSPECTION SENSOR - SYSTEM PRESSURE

Next: !p1068

IGNITION ELECTRODE GAP INCORRECT

CHARACTERISTIC TEST FROM INSPECTION BURNER (FAULT CODE HISTORY))

Next: !p1101

BURNER BLOCKED / RESTRICTED AND/OR DAMAGED

CHARACTERISTIC TEST FROM INSPECTION BURNER (IGNITION)

Next: !p1103

IONISATION ELECTRODE GAP INCORRECT

CHARACTERISTIC TEST FROM INSPECTION BURNER (FAULT CODE HISTORY))

Next: !p1189

TEST 1. VOLTAGE NOT AS EXPECTED

CHARACTERISTIC TEST FROM VOLTAGE PUMP AT PCB

Next: !p1197

TEST 2. VOLTAGE NOT AS EXPECTED

CHARACTERISTIC TEST FROM VOLTAGE PUMP AT PCB

Next: p1199

BURNER DOES NOT IGNITE

CHARACTERISTIC TEST FROM OBSERVATION DOES BURNER IGNITE AND ESTABLISH

Next: p166

BURNER IGNITES BUT DOES NOT ESTABLISH

CHARACTERISTIC TEST FROM OBSERVATION DOES BURNER IGNITE AND ESTABLISH

Next: p168

BURNER IGNITES BUT BAFFLES OUT/OR NOISY

CHARACTERISTIC TEST FROM OBSERVATION DOES BURNER IGNITE AND ESTABLISH

Next: p170

ICE DISPLAYED

CHARACTERISTIC TEST FROM OBSERVATION BOILER SELF CHECK

Next: p19

FAULT CODE DISPLAYED

CHARACTERISTIC TEST FROM OBSERVATION BOILER SELF CHECK

Next: p21

DISPLAY DOES NOT OPERATE

CHARACTERISTIC TEST FROM OBSERVATION BOILER SELF CHECK

Next: p23

ELECTRODE GAP INCORRECT

CHARACTERISTIC TEST FROM INSPECTION BURNER (IGNITION)

Next: !p291

BURNER BLOCKED / RESTRICTED AND/OR DAMAGED

CHARACTERISTIC TEST FROM INSPECTION BURNER (IGNITION)

Next: !p293

BOILER ATTEMPTS TO FIRE WITH NO DEMANDS PRESENT

CHARACTERISTIC TEST FROM OBSERVATION BOILER SELF CHECK

Next: p65

FAN RUNS CONTINUOUSLY

CHARACTERISTIC TEST FROM OBSERVATION BOILER SELF CHECK

Next: p38

ELECTRODE GAP INCORRECT

CHARACTERISTIC TEST FROM INSPECTION BURNER (IGNITION)

Next: !p359

BURNER BLOCKED / RESTRICTED AND/OR DAMAGED

CHARACTERISTIC TEST FROM INSPECTION BURNER (IGNITION)

Next: !p361

TEMPERATURE RISE UNSATISFACTORY - RADIATORS REMAIN COOL OR DO NOT INCREASE IN TEMPERATURE

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p364

TEMPERATURE RISE UNSATISFACTORY - RADIATORS BEGIN TO HEAT OR INCREASE IN TEMPERATURE

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p482

DHW TOO HOT

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p368

DHW RUNS HOT THEN COOL

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p461

GAS RATE INCORRECT @ MAXIMUM OUTPUT

Next: p1161

HOW TO SET BOILER TO MAXIMUM OUTPUT

CHARACTERISTIC TEST FROM BOILER OUTPUT (MAX)

Next: p397

TEMPERATURE DIFFERENTIAL EXCESSIVE

CHARACTERISTIC TEST FROM TEMPERATURE DIFFERENTIAL MAIN HEAT EXCHANGER

Next: p408

BOILER DOES NOT RESPOND TO A CH DEMAND

CHARACTERISTIC TEST FROM TEMPERATURE DIFFERENTIAL MAIN HEAT EXCHANGER

Next: p1132

TEMPERATURE DIFFERENTIAL EXCESSIVE

CHARACTERISTIC TEST FROM TEMPERATURE DIFFERENTIAL MAIN HEAT EXCHANGER

Next: p472

BOILER DOES NOT RESPOND TO A CH DEMAND

CHARACTERISTIC TEST FROM TEMPERATURE DIFFERENTIAL MAIN HEAT EXCHANGER

Next: p1123

BOILER REACHES TEMPERATURE RADIATORS COLD OR ONLY GET WARM

CHARACTERISTIC TEST FROM CH OPERATION

Next: p496

BOILER AND SYSTEM TEMPERATURE LOW

CHARACTERISTIC TEST FROM CH OPERATION

Next: p498

SYSTEM PRESSURE RISES EXCESSIVELY

CHARACTERISTIC TEST FROM CH OPERATION

Next: p500

BOILER DOES NOT RESPOND TO CH DEMAND

CHARACTERISTIC TEST FROM CH OPERATION

Next: p508

- - IN DISPLAY (BOILER TURNED OFF)

CHARACTERISTIC TEST FROM OBSERVATION BOILER SELF CHECK

Next: p52

MANIFOLD BLOCKED

CHARACTERISTIC TEST FROM INSPECTION SENSOR - SYSTEM PRESSURE

Next: !p686

PRESSURE SENSOR BLOCKED

CHARACTERISTIC TEST FROM INSPECTION SENSOR - SYSTEM PRESSURE

Next: !p688

ALARM 07 OCCURS BEFORE 80 DEG IS REACHED

CHARACTERISTIC TEST FROM OBSERVATION DOES ALARM 07 OCCUR DURING OPERATION

Next: p755

BOILER CONTINUES TO HEAT BEYOND 80 DEG

CHARACTERISTIC TEST FROM OBSERVATION DOES ALARM 07 OCCUR DURING OPERATION

Next: !p757

MANIFOLD BLOCKED

CHARACTERISTIC TEST FROM INSPECTION SENSOR - SYSTEM PRESSURE

Next: !p811

PRESSURE SENSOR BLOCKED

CHARACTERISTIC TEST FROM INSPECTION SENSOR - SYSTEM PRESSURE

Next: !p813

MANIFOLD BLOCKED

CHARACTERISTIC TEST FROM INSPECTION SENSOR - SYSTEM PRESSURE

Next: !p905

PRESSURE SENSOR BLOCKED

CHARACTERISTIC TEST FROM INSPECTION SENSOR - SYSTEM PRESSURE

Next: !p907

ALARM 07 OCCURS BEFORE 80 DEG IS REACHED

CHARACTERISTIC TEST FROM OBSERVATION DOES ALARM 07 OCCUR DURING OPERATION

Next: p971

BOILER CONTINUES TO HEAT BEYOND 80 DEG

CHARACTERISTIC TEST FROM OBSERVATION DOES ALARM 07 OCCUR DURING OPERATION

Next: !p973

31/01/2020 07:50:40 2001_1_50_1 06/02/2020 11:50:43

03/02/2020 08:17:50

Next: End

VOLTAGE GAS VALVE BURNER SHUT DOWN

{GAINPCBACS}

Next: !p1002, !f1003

OBSERVATION PARAMETER 02 - BOILER VERSION

Next: p1011, !f1008

RESISTANCE FLUE SENSOR & HARNESS

ENSURE BOILER IS COOL
REMOVE CONNECTOR CN3 FROM THE PCB

Next: p1031, f1016

RESISTANCE FLUE SENSOR

REMOVE ELECTRICAL CONNECTOR FROM FLUE SENSOR

Next: !p1017, !f1018

VOLTAGE PUMP AT PCB

{GAINPCBACS}
REMOVE 1X LEAD FROM OVERHEAT STAT & MAKE SAFE

Next: p1034, !f1035

RESISTANCE FLUE SENSOR & HARNESS

ENSURE BOILER IS COOL
REMOVE CONNECTOR CN3 FROM THE PCB

Next: p1052, f1047

RESISTANCE FLUE SENSOR

REMOVE ELECTRICAL CONNECTOR FROM FLUE SENSOR

Next: !p1048, !f1049

OBSERVATION PUMP RUNS - ALARM 09

Next: p1056, f1057

VOLTAGE PUMP AT PCB

{GAINPCBACS}
REMOVE 1X LEAD FROM OVERHEAT STAT & MAKE SAFE

Next: p1058, !f1059

INSPECTION SENSOR - SYSTEM PRESSURE

DRAIN PRIMARY SYSTEM WATER FROM BOILER
REMOVE SYSTEM PRESSURE SENSOR FROM MANIFOLD

Next: !p1064, ?1065, ?1067

INSPECTION AQUA GUARD FILTER

DRAIN PRIMARY SYSTEM

Next: !p1071, !f1072

PRESSURE GAS INLET

ATTACH PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: p1081, !f1082

OBSERVATION DISCONNECT INTERNAL PROGRAMMER

REMOVE PROGRAMMER CONNECTOR FROM CN11 ON THE PCB

Next: !p1119, f1120

OBSERVATION EXTERNAL CONTROLS BY-PASSED

DISCONNECT ANY EXTER

Next: !p1121, !f1122

OBSERVATION DISCONNECT INTERNAL PROGRAMMER

REMOVE PROGRAMMER CONNECTOR FROM CN11 ON THE PCB

Next: !p1126, f1127

OBSERVATION EXTERNAL CONTROLS BY-PASSED

DISCONNECT ANY EXTER

Next: !p1128, !f1129

OBSERVATION DISCONNECT INTERNAL PROGRAMMER

REMOVE PROGRAMMER CONNECTOR FROM CN11 ON THE PCB

Next: !p1135, f1136

OBSERVATION EXTERNAL CONTROLS BY-PASSED

DISCONNECT ANY EXTER

Next: !p1137, !f1138

FAULT CODE HISTORY GUIDANCE

Next: p1147, !f1150

RESISTANCE RECTIFICATION LEAD

REMOVE RECTIFICATION LEAD FROM PCB & ELECTRODE

Next: !p1152, !f1153

OBSERVATION EXTERNAL CONTROLS

Next: p1155, f1158

DISCONNECT EXTERNAL CONTROLS (CN7)

DISCONNECT EXTERNAL CONTROLS AT TERMINAL 14 OF
CONNECTOR CN7 AND MAKE SAFE

Next: !p1159, !f1160

RESISTANCE RECTIFICATION LEAD

REMOVE RECTIFICATION LEAD FROM PCB & ELECTRODE

Next: !p1186, !f1187

RESISTANCE SPARK GENERATOR

REMOVE ELECTRICAL CONNECTOR FROM SPARK GENERATOR

Next: !p1193, !f1194

VOLTAGE DHW FLOW SENSOR - DC SUPPLY (DISCONNECTED)

{GAINPCBACS}
REMOVE THE CONNECTOR FROM THE DHW FLOW TURBINE AND MAKE SAFE

Next: !p1203, f1204

RESISTANCE DHW FLOW SENSOR HARNESS

REMOVE ELECTRICAL CONNECTOR FROM DHW FLOW SENSOR

Next: !p1205, !f1206

VOLTAGE SENSOR - SUPPLY - SYSTEM PRESSURE (DISCONNECTED)

{GAINPCBACS}
REMOVE THE CONNECTOR FROM THE DHW FLOW TURBINE AND MAKE SAFE

Next: !p1208, f1209

RESISTANCE HARNESS - PRESSURE SENSOR

REMOVE ELECTRICAL CONNECTOR FROM PRESSURE SENSOR

Next: !p1210, !f1211

VOLTAGE SENSOR - SUPPLY - SYSTEM PRESSURE (DISCONNECTED)

{GAINPCBACS}
REMOVE THE CONNECTOR FROM THE DHW FLOW TURBINE AND MAKE SAFE

Next: !p1213, f1214

RESISTANCE HARNESS - PRESSURE SENSOR

REMOVE ELECTRICAL CONNECTOR FROM PRESSURE SENSOR

Next: !p1215, !f1216

OBSERVATION DHW DEMAND (DISPLAY)

Next: p125, f126

OBSERVATION PARAMETER 02 - BOILER VERSION

Next: p127, !f128

VOLTAGE DHW FLOW SENSOR - DC SUPPLY

{GAINPCBACS}

Next: p141, f1202

VOLTAGE PERMANENT TO FAN - AT PCB

{GAINPCBACS}

Next: p152, !f134

RESISTANCE FLOW SENSOR

REMOVE CONNECTOR FROM THE FLOW SENSOR

Next: p145, !f146

VOLTAGE PUMP AT PCB

{GAINPCBACS}
REMOVE 1X LEAD FROM OVERHEAT STAT & MAKE SAFE

Next: p156, ?1196, ?1198

VOLTAGE SPARK GENERATOR

Next: !p278, f267

VOLTAGE SPARK GENERATOR AT PCB

{GAINPCBACS}

Next: !p268, !f269

RESISTANCE GAS VALVE

REMOVE THE ELECTRICAL CONNECTOR FROM THE GAS VALVE

Next: !p282, !f283

TEMPERATURE DIFFERENTIAL MAIN HEAT EXCHANGER

ATTACH TEMPERATURE PROBES/CLAMPS TO THE FLOW & RETURN PIPES
(AS INDICATED BY THE RED ARROWS)

Next: !p389, ?407, ?409

RESISTANCE FLOW SENSOR

REMOVE CONNECTOR FROM THE FLOW SENSOR

Next: !p47, !f48

TEMPERATURE DIFFERENTIAL MAIN HEAT EXCHANGER

ATTACH TEMPERATURE PROBES/CLAMPS TO THE FLOW & RETURN PIPES
(AS INDICATED BY THE RED ARROWS)

Next: !p470, ?471, ?473

VOLTAGE TO DIVERTER VALVE (DHW DEMAND)

{GAINPCBACS}

Next: p491, !f492

VOLTAGE TO DIVERTER VALVE (CH DEMAND)

{GAINPCBACS}

Next: p525, !f526

OBSERVATION SYSTEM PRESSURE RISE

Next: !p667, f672

RESISTANCE DHW SENSOR & HARNESS

REMOVE CONNECTOR CN2 FROM THE PCB

Next: p548, f549

RESISTANCE DHW SENSOR HARNESS

REMOVE ELECTRICAL CONNECTOR TO DHW SENSOR

Next: !p552, !f553

RESISTANCE FLOW SENSOR & HARNESS

REMOVE CONNECTOR CN3 FROM THE PCB

Next: p555, f559

RESISTANCE FLOW SENSOR

REMOVE CONNECTOR FROM THE FLOW SENSOR

Next: !p561, !f563

RESISTANCE FUSE MAINS

REMOVE FUSE FROM FUSED SPUR

Next: !p59, f60

RESISTANCE FLUE SENSOR & HARNESS

ENSURE BOILER IS COOL
REMOVE CONNECTOR CN3 FROM THE PCB

Next: p593, f587

RESISTANCE FLUE SENSOR

REMOVE ELECTRICAL CONNECTOR FROM FLUE SENSOR

Next: !p591, !f592

OBSERVATION IS FAN RUNNING DHW DEMAND

Next: p597, f599

OBSERVATION FAN RUNS - LOW VOLTAGE DISCONNECTED

REMOVE FAN CONTROL CONNECTOR FROM FAN ASSEMBLY & MAKE SAFE

Next: p600, f601

FURTHER INVESTIGATION FUSE MAINS

Next: !p61, !f62

VOLTAGE PERMANENT TO FAN - AT PCB

{GAINPCBACS}

Next: p602, !f603

OBSERVATION PARAMETER 02 - BOILER VERSION

Next: p625, !f626

RESISTANCE FLUE SENSOR & HARNESS

ENSURE BOILER IS COOL
REMOVE CONNECTOR CN3 FROM THE PCB

Next: p641, f632

RESISTANCE FLUE SENSOR

REMOVE ELECTRICAL CONNECTOR FROM FLUE SENSOR

Next: !p633, !f634

RESISTANCE FUSES PCB

REMOVE FUSES FROM PCB

Next: !p848, f850

VOLTAGE PUMP AT PCB

{GAINPCBACS}
REMOVE 1X LEAD FROM OVERHEAT STAT & MAKE SAFE

Next: p651, !f652

RESISTANCE HARNESS CN3

REMOVE CONNECTOR CN3 FROM THE PCB

Next: p662, !f663

VOLTAGE SENSOR - OUT - SYSTEM PRESSURE

{GAINPCBACS}

Next: !p673, f674

VOLTAGE SENSOR - SUPPLY - SYSTEM PRESSURE

{GAINPCBACS}

Next: p679, f1207

OBSERVATION SYSTEM PRESSURE

NO DEMANDS

Next: p705, f710

INSPECTION EXPANSION VESSEL PRESSURE

DISCHARGE APPLIANCE PRIMARY WATER

Next: !p711, !f712

RESET APPLIANCE - FAULT CODE - ALARM 07

ENSURE BOILER IS COOL

Next: p715, f716

RESISTANCE SAFETY THERMOSTATS AND HARNESS

REMOVE CONNECTOR CN3 FROM THE PCB

Next: !p717, f718

RESISTANCE SAFETY THERMOSTAT

REMOVE 1X LEAD FROM SAFETY THERMOSTAT

Next: p719, !f720

TEMPERATURE DIFFERENTIAL MAIN HEAT EXCHANGER (ALARM 07)

ATTACH TEMPERATURE PROBES/CLAMPS TO THE FLOW & RETURN PIPES
(AS INDICATED BY THE RED ARROWS)

Next: !p767, f745

INSPECTION AQUA GUARD FILTER

DRAIN PRIMARY SYSTEM

Next: !p819, !f747

OBSERVATION PUMP RUNS - ALARM 09

Next: p795, f796

VOLTAGE PUMP AT PCB

{GAINPCBACS}
REMOVE 1X LEAD FROM OVERHEAT STAT & MAKE SAFE

Next: p797, !f798

INSPECTION SENSOR - SYSTEM PRESSURE

DRAIN PRIMARY SYSTEM WATER FROM BOILER
REMOVE SYSTEM PRESSURE SENSOR FROM MANIFOLD

Next: !p809, ?810, ?812

INSPECTION AQUA GUARD FILTER

DRAIN PRIMARY SYSTEM

Next: !p817, !f818

INSPECTION ISOLATION VALVE HW

Next: p84, !f85

OBSERVATION FAULT CODE CLEARED (MAINS RESET)

WAIT 20 SECONDS BEFORE REINSTATING MAINS SUPPLY

Next: p839, f838

DISCONNECTED ELECTRODE RECTIFICATION LEAD - AT PCB

REMOVE RECTIFICATION LEAD FROM THE PCB & MAKE SAFE
ENSURE NO DEMANDS ARE PRESENT

Next: p844, !f845

VOLTAGE GAS VALVE BURNER SHUT DOWN

{GAINPCBACS}

Next: !p842, !f843

FURTHER INVESTIGATION FUSE - PCB

Next: !p851, !f852

INSPECTION DIVERTER VALVE - FUSE INVESTIGATION

REMOVE ELECTRICAL CO

Next: p854, !f860

RESISTANCE DIVERTER VALVE MOTOR - FUSE INVESTIGATION

REMOVE DIVERTER VALVE MOTOR
REMOVE ELECTRICAL CONNECTOR FROM THE DIVERTER MOTOR

Next: !p858, !f859

RESISTANCE PUMP - FUSE INVESTIGATION

REMOVE PUMP COVER AND DISCONNECT ELECTRICAL CONNECTIONS

Next: !p863, !f864

RESISTANCE HARNESS FAN - A/C

DISCONNECT AC CONNECTOR (3 WIRE) FROM THE FAN

Next: !p867, !f868

RESISTANCE GAS VALVE - FUSE INVESTIGATION

REMOVE THE ELECTRICAL CONNECTOR FROM THE GAS VALVE

Next: !p871, !f872

RESISTANCE HARNESS CN3

REMOVE CONNECTOR CN3 FROM THE PCB

Next: p889, !f890

OBSERVATION SYSTEM PRESSURE RISE

Next: p909, f895

VOLTAGE SENSOR - OUT - SYSTEM PRESSURE

{GAINPCBACS}

Next: !p896, f897

VOLTAGE SENSOR - SUPPLY - SYSTEM PRESSURE

{GAINPCBACS}

Next: p898, f1212

RESISTANCE DHW SENSOR & HARNESS

REMOVE CONNECTOR CN2 FROM THE PCB

Next: p919, f914

RESISTANCE DHW SENSOR HARNESS

REMOVE ELECTRICAL CONNECTOR TO DHW SENSOR

Next: !p915, !f916

RESISTANCE FLOW SENSOR & HARNESS

REMOVE CONNECTOR CN3 FROM THE PCB

Next: p933, f930

RESISTANCE FLOW SENSOR

REMOVE CONNECTOR FROM THE FLOW SENSOR

Next: !p931, !f932

PUMP LIMPET

Next: p937, !f938

TEMPERATURE DIFFERENTIAL MAIN HEAT EXCHANGER (ALARM 07)

ATTACH TEMPERATURE PROBES/CLAMPS TO THE FLOW & RETURN PIPES
(AS INDICATED BY THE RED ARROWS)

Next: !p945, f946

INSPECTION AQUA GUARD FILTER

DRAIN PRIMARY SYSTEM

Next: !p947, !f948

OBSERVATION DOES BURNER EXTINGUISH ON DEMAND END

Next: p1000, f1001

FURTHER INVESTIGATION AFTER USING FAULT CODE HISTORY

Next: !p1004, !f1005

FURTHER INVESTIGATION AFTER USING FAULT CODE HISTORY

Next: !p1012, !f1013

OBSERVATION PUMP RUNS

Next: p1032, f1033

PUMP LIMPET

Next: p1038, !f1039

RESISTANCE HARNESS PUMP

REMOVE CONNECTORS CN13 & CN15 FROM THE PCB
DISCONNECT ELECTRICAL CONNECTOR TO PUMP ASSEMBLY

Next: !p1036, !f1037

OBSERVATION FLUE GAS TEMPERATURE

INSERT TEMPERATURE PROBE INTO FLUE GAS TEST POINT

Next: p1042, !f1041

FURTHER INVESTIGATION AFTER USING FAULT CODE HISTORY

Next: !p1043, !f1044

FURTHER INVESTIGATION AFTER USING FAULT CODE HISTORY

Next: !p1053, !f1054

OBSERVATION SYSTEM PRESSURE RISE - ALARM 09

Next: p1062, f1063

RESISTANCE HARNESS PUMP

REMOVE CONNECTORS CN13 & CN15 FROM THE PCB
DISCONNECT ELECTRICAL CONNECTOR TO PUMP ASSEMBLY

Next: !p1060, !f1061

OBSERVATION DHW OPERATION - ALARM 09

Next: p1069, f1070

OBSERVATION CH OPERATION - ALARM 09

Next: p1073, !f1074

RESISTANCE FLOW SENSOR

REMOVE CONNECTOR FROM THE FLOW SENSOR

Next: p1077, !f1076

FURTHER INVESTIGATION AFTER USING FAULT CODE HISTORY

Next: !p1078, !f1079

INSPECTION CONDENSATE PIPE

Next: p1083, !f1084

INSPECTION COMPENSATION PIPE

Next: p1085, !f1086

INSPECTION FLUE

Next: p1087, !f1088

INSPECTION IGNITION ELECTRODE AND LEAD

REMOVE IGNITION ELECTRODE
DISCONNECT LEAD AT SPARK GENERATOR

Next: p1170, !f1090

INSPECTION AIR/GAS MIXER ASSEMBLY

REMOVE THE FRONT PANEL FROM THE AIR/GAS MIXER ASSEMBLY

Next: p1096, !f1097

INSPECTION BURNER (FAULT CODE HISTORY))

REMOVE THE BURNER DOOR ASSEMBLY COMPLETE WITH BURNER

Next: p1098, ?1100, ?1102, ?1188

INSPECTION MAIN HEAT EXCHANGER FLUEWAYS

GAIN ACCESS TO THE MAIN HEAT EXCHANGER

Next: p1106, !f1105

FURTHER INVESTIGATION AFTER USING FAULT CODE HISTORY

Next: !p1107, !f1108

OBSERVATION EXTERNAL CONTROLS BY-PASSED

DISCONNECT ANY EXTER

Next: !p1111, !f1112

OBSERVATION INTERNAL OR EXTERNAL PROGRAMMER FITTED

Next: p1124, f1125

OBSERVATION EXTERNAL CONTROLS BY-PASSED

DISCONNECT ANY EXTER

Next: !p1130, !f1131

OBSERVATION INTERNAL OR EXTERNAL PROGRAMMER FITTED

Next: p1133, f1134

OBSERVATION EXTERNAL CONTROLS BY-PASSED

DISCONNECT ANY EXTER

Next: !p1139, !f1140

HISTORY FAULT CODES

Next: !p1148, !f1149

DISCONNECT EXTERNAL CONTROLS (CN6)

DISCONNECT EXTERNAL CONTROLS AT TERMINALS 7 & 8 OF
CONNECTOR CN6 AND MAKE SAFE

Next: !p1156, !f1157

INSPECTION FLUE

Next: p395, !f1169

RESISTANCE IONISATION ELECTRODE AND LEAD

REMOVE IONISATION ELECTRODE FROM THE BURNER DOOR
DISCONNECT LEAD AT PCB

Next: p1095, f1185

RESISTANCE SPARK GENERATOR & HARNESS - FUSE INVESTIGATION

REMOVE CONNECTOR CN14 FROM THE PCB

Next: !p1191, f1192

RESISTANCE HARNESS PUMP

REMOVE CONNECTORS CN13 & CN15 FROM THE PCB
DISCONNECT ELECTRICAL CONNECTOR TO PUMP ASSEMBLY

Next: !p1200, !f1201

OBSERVATION FAN RUNS - LOW VOLTAGE DISCONNECTED

REMOVE FAN CONTROL CONNECTOR FROM FAN ASSEMBLY & MAKE SAFE

Next: p131, f132

VOLTAGE DHW FLOW SENSOR - DEMAND

{GAINPCBACS}

Next: !p129, f130

RESISTANCE FAN HARNESS DC

DISCONNECT DC CONNECTOR (4 WIRE) FROM THE FAN

Next: p135, !f161

VOLTAGE DC PERMANENT AT PCB

{GAINPCBACS}
ENSURE NO DEMANDS

Next: p137, !f138

VOLTAGE DC FAN DEMAND AT PCB

Next: !p162, f140

RESISTANCE DHW FLOW SENSOR HARNESS

REMOVE ELECTRICAL CONNECTOR FROM DHW FLOW SENSOR

Next: p149, !f144

RESISTANCE DHW SENSOR & HARNESS

REMOVE CONNECTOR CN2 FROM THE PCB

Next: !p147, !f148

INSPECTION WATER FLOW METER ASSEMBLY

ISOLATE COLD MAINS A

Next: !p150, !f151

RESISTANCE HARNESS FAN - A/C

DISCONNECT AC CONNECTOR (3 WIRE) FROM THE FAN

Next: !p164, !f160

RESISTANCE HARNESS PUMP

REMOVE CONNECTORS CN13 & CN15 FROM THE PCB
DISCONNECT ELECTRICAL CONNECTOR TO PUMP ASSEMBLY

Next: !p158, !f159

OBSERVATION IS SPARKING PRESENT

REMOVE ELECTRODE LEAD FROM SPARK GENERATOR AND MAKE SAFE

Next: p179, f180

INSPECTION CONDENSATE PIPE

Next: p332, !f333

INSPECTION CONDENSATE PIPE

Next: p334, !f338

INSPECTION CONDENSATE PIPE

Next: p181, !f182

PRESSURE GAS INLET

ATTACH PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: p240, !f184

ANTI FREEZE FROST PROTECTION - FLOW PIPE TEMPERATURE

PLACE A TEMPERATURE PROBE/CLAMP ON THE FLOW PIPE
ENSURE NO DEMANDS

Next: !p45, f46

FAULT CODES

Next: !p529, !f530

VOLTAGE MAINS INPUT TO APPLIANCE

{GAINPCBACS}

Next: p56, f58

INSPECTION FLUE

Next: p279, !f266

RESISTANCE GAS VALVE AND HARNESS

REMOVE CONNECTOR CN12 FROM THE PCB

Next: p280, f281

VOLTAGE GAS VALVE AT PCB

{GAINPCBACS}

Next: p301, !f285

INSPECTION AIR/GAS MIXER ASSEMBLY

REMOVE THE FRONT PANEL FROM THE AIR/GAS MIXER ASSEMBLY

Next: p286, !f318

INSPECTION BURNER (IGNITION)

REMOVE THE BURNER DOOR ASSEMBLY COMPLETE WITH BURNER

Next: p288, ?290, ?292

INSPECTION MAIN HEAT EXCHANGER FLUEWAYS

GAIN ACCESS TO THE MAIN HEAT EXCHANGER

Next: !p294, !f295

INSPECTION COMPENSATION PIPE

Next: p319, !f316

INSPECTION IGNITION ELECTRODE AND LEAD

REMOVE IGNITION ELECTRODE
DISCONNECT LEAD AT SPARK GENERATOR

Next: p284, !f331

PRESSURE GAS INLET

ATTACH PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: p349, !f350

INSPECTION COMPENSATION PIPE

Next: p336, !f337

PRESSURE GAS INLET

ATTACH PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: p339, !f340

INSPECTION FLUE

Next: p341, !f342

INSPECTION AIR/GAS MIXER ASSEMBLY

REMOVE THE FRONT PANEL FROM THE AIR/GAS MIXER ASSEMBLY

Next: p343, !f344

INSPECTION BURNER

REMOVE THE BURNER DOOR ASSEMBLY COMPLETE WITH BURNER

Next: p345, !f346

INSPECTION MAIN HEAT EXCHANGER FLUEWAYS

GAIN ACCESS TO THE MAIN HEAT EXCHANGER

Next: !p347, !f348

INSPECTION COMPENSATION PIPE

Next: p351, !f352

RESISTANCE IONISATION ELECTRODE AND LEAD

REMOVE IONISATION ELECTRODE FROM THE BURNER DOOR
DISCONNECT LEAD AT PCB

Next: p353, f1151

INSPECTION AIR/GAS MIXER ASSEMBLY

REMOVE THE FRONT PANEL FROM THE AIR/GAS MIXER ASSEMBLY

Next: p355, !f356

INSPECTION BURNER (ESTABLISH)

REMOVE THE BURNER DOOR ASSEMBLY COMPLETE WITH BURNER

Next: !p357, ?358, ?360

OBSERVATION PARAMETER 01 - COMBUSTION CONFIGURATION

Next: p371, !f398

RESISTANCE DHW SENSOR & HARNESS

REMOVE CONNECTOR CN2 FROM THE PCB

Next: !p413, !f414

RESISTANCE DHW SENSOR & HARNESS

REMOVE CONNECTOR CN2 FROM THE PCB

Next: p373, !f374

RESISTANCE FLOW SENSOR

REMOVE CONNECTOR FROM THE FLOW SENSOR

Next: p375, !f376

PUMP LIMPET

Next: p377, !f378

TEMPERATURE DIFFERENTIAL PLATE HEAT EXCHANGER

ATTACH TEMPERATURE PROBES/CLAMPS TO THE FLOW & RETURN PIPES
(AS INDICATED BY THE RED ARROWS)

Next: p387, f388

RESISTANCE FAN HARNESS DC

DISCONNECT DC CONNECTOR (4 WIRE) FROM THE FAN

Next: p39, !f40

OBSERVATION DHW OUTPUT (MIXER TAP PASSING)

Next: p391, !f392

VOLTAGE DC PERMANENT AT PCB

{GAINPCBACS}
ENSURE NO DEMANDS

Next: p41, !f42

BOILER OUTPUT (MAX)

SET BOILER TO MAXIMU

Next: !p393, ?394, ?396

INSPECTION AIR/GAS MIXER ASSEMBLY

REMOVE THE FRONT PANEL FROM THE AIR/GAS MIXER ASSEMBLY

Next: p401, !f402

CHIMNEY SWEEP MODE (MAXIMUM OUTPUT)

Next: !p399, !f400

INSPECTION BURNER

REMOVE THE BURNER DOOR ASSEMBLY COMPLETE WITH BURNER

Next: p403, !f404

INSPECTION MAIN HEAT EXCHANGER FLUEWAYS

GAIN ACCESS TO THE MAIN HEAT EXCHANGER

Next: !p405, !f406

INSPECTION AQUA GUARD FILTER

DRAIN PRIMARY SYSTEM

Next: !p411, !f412

VOLTAGE DC FAN DEMAND AT PCB (RUNNING CONTINUOUSLY)

ENSURE NO DEMANDS

Next: !p43, !f163

RESISTANCE DHW SENSOR & HARNESS

REMOVE CONNECTOR CN2 FROM THE PCB

Next: p462, !f463

RESISTANCE FLOW SENSOR

REMOVE CONNECTOR FROM THE FLOW SENSOR

Next: p464, !f465

PUMP LIMPET

Next: p466, !f467

TEMPERATURE DIFFERENTIAL PLATE HEAT EXCHANGER

ATTACH TEMPERATURE PROBES/CLAMPS TO THE FLOW & RETURN PIPES
(AS INDICATED BY THE RED ARROWS)

Next: !p468, f469

INSPECTION AQUA GUARD FILTER

DRAIN PRIMARY SYSTEM

Next: !p477, !f478

OBSERVATION DIVERTER VALVE MOTOR SPINDLE (DHW POSITION)

REMOVE LOCKING PIN A

Next: !p489, f490

RESISTANCE HARNESS DIVERTER

REMOVE THE CONNECTOR FROM THE DIVERTER MOTOR

Next: !p493, !f494

INSPECTION FLOW AND RETURN ISOLATION VALVES

Next: p515, !f516

RESISTANCE FLOW SENSOR

REMOVE CONNECTOR FROM THE FLOW SENSOR

Next: p511, !f512

INSPECTION EXPANSION VESSEL PRESSURE

DISCHARGE APPLIANCE PRIMARY WATER

Next: !p509, !f510

OBSERVATION INTERNAL OR EXTERNAL PROGRAMMER FITTED

Next: p1109, f1110

OBSERVATION MAXIMUM HEATING POWER

ENSURE NO DEMANDS

Next: !p513, !f514

PUMP LIMPET

Next: p517, !f518

OBSERVATION DIVERTER VALVE MOTOR SPINDLE (CH POSITION)

REMOVE LOCKING PIN A

Next: p519, f520

INSPECTION DIVERTER VALVE BODY

REMOVE DIVERTER VALV

Next: p521, !f522

OBSERVATION CAN APPLIANCE BE TAKEN OUT OF STANDBY ?

Next: !p55, !f54

INSPECTION INTERNAL BYPASS

DRAIN PRIMARY SYSTEM WATER FROM BOILER
REMOVE INTERNAL BY-PASS

Next: !p523, !f524

RESISTANCE HARNESS DIVERTER

REMOVE THE CONNECTOR FROM THE DIVERTER MOTOR

Next: !p527, !f528

OBSERVATION FAULT CODE CLEARED (MAINS RESET)

WAIT 20 SECONDS BEFORE REINSTATING MAINS SUPPLY

Next: !p550, !f551

OBSERVATION FAULT CODE CLEARED (MAINS RESET)

WAIT 20 SECONDS BEFORE REINSTATING MAINS SUPPLY

Next: !p560, !f558

OBSERVATION DOES FAN RUN DHW DEMAND

Next: !p63, f64

OBSERVATION FAULT CODE CLEARED (MAINS RESET)

WAIT 20 SECONDS BEFORE REINSTATING MAINS SUPPLY

Next: !p594, !f595

RESISTANCE FAN HARNESS DC

DISCONNECT DC CONNECTOR (4 WIRE) FROM THE FAN

Next: !p618, !f619

RESISTANCE FAN HARNESS DC

DISCONNECT DC CONNECTOR (4 WIRE) FROM THE FAN

Next: p606, !f607

RESISTANCE HARNESS FAN - A/C

DISCONNECT AC CONNECTOR (3 WIRE) FROM THE FAN

Next: !p604, !f605

VOLTAGE DC PERMANENT AT PCB

{GAINPCBACS}
ENSURE NO DEMANDS

Next: p608, !f609

VOLTAGE DC FAN DEMAND AT PCB

Next: !p610, !f617

OBSERVATION FAULT CODE CLEARED (MAINS RESET)

WAIT 20 SECONDS BEFORE REINSTATING MAINS SUPPLY

Next: !p627, !f628

OBSERVATION PUMP RUNS

Next: p635, f650

PUMP LIMPET

Next: p637, !f638

OBSERVATION FLUE GAS TEMPERATURE

INSERT TEMPERATURE PROBE INTO FLUE GAS TEST POINT

Next: !p660, !f659

RESET APPLIANCE - FAULT CODE - ALARM 13

ENSURE BOILER IS COOL

Next: p630, !f649

OBSERVATION WHICH DEMAND IS ILLUMINATED

ENSURE NO DEMANDS

Next: p66, f1154

RESISTANCE HARNESS PUMP

REMOVE CONNECTORS CN13 & CN15 FROM THE PCB
DISCONNECT ELECTRICAL CONNECTOR TO PUMP ASSEMBLY

Next: !p653, !f654

ISOLATE COLD MAINS SUPPLY

ISOLATE THE COLD MAINS SUPPLY
(TURN THE LEVER 90° CLOCKWISE UNTIL IT IS HORIZONTAL)

Next: p70, !f71

RESET APPLIANCE - FAULT CODE

ENSURE BOILER IS COOL

Next: !p666, !f665

INSPECTION SENSOR - SYSTEM PRESSURE

DRAIN PRIMARY SYSTEM WATER FROM BOILER
REMOVE SYSTEM PRESSURE SENSOR FROM MANIFOLD

Next: !p677, ?685, ?687

RESISTANCE HARNESS - PRESSURE SENSOR

REMOVE ELECTRICAL CONNECTOR FROM PRESSURE SENSOR

Next: p675, !f683

DISCONNECT DHW FLOW SENSOR

REMOVE ELECTRICAL CONNECTOR TO DHW FLOW SENSOR & MAKE SAFE

Next: !p76, !f79

INSPECTION FILLING LOOP

Next: !p713, !f707

PUMP LIMPET

Next: p726, !f727

RESISTANCE LIMIT THERMOSTAT

REMOVE RUBBER GROMMET TO ACCESS LIMIT STAT
REMOVE 1X LEAD FROM STAT

Next: p721, !f722

RESISTANCE SAFETY THERMOSTAT HARNESS

REMOVE ELECTRICAL CO

Next: !p769, !f770

RESISTANCE FLOW SENSOR

REMOVE CONNECTOR FROM THE FLOW SENSOR

Next: p728, !f729

OBSERVATION PUMP OVERRUN

Next: p732, !f762

TEMPERATURE DIFFERENTIAL PLATE HEAT EXCHANGER

ATTACH TEMPERATURE PROBES/CLAMPS TO THE FLOW & RETURN PIPES
(AS INDICATED BY THE RED ARROWS)

Next: p744, f734

TEMPERATURE DIFFERENTIAL MAIN HEAT EXCHANGER (ALARM 07)

ATTACH TEMPERATURE PROBES/CLAMPS TO THE FLOW & RETURN PIPES
(AS INDICATED BY THE RED ARROWS)

Next: p749, !f750

OBSERVATION DOES ALARM 07 OCCUR DURING OPERATION

Next: !p752, ?754, ?756

RESISTANCE SAFETY THERMOSTAT

REMOVE 1X LEAD FROM SAFETY THERMOSTAT

Next: !p766, !f768

OBSERVATION SYSTEM PRESSURE RISE - ALARM 09

Next: p807, f808

RESISTANCE HARNESS PUMP

REMOVE CONNECTORS CN13 & CN15 FROM THE PCB
DISCONNECT ELECTRICAL CONNECTOR TO PUMP ASSEMBLY

Next: !p799, !f800

OBSERVATION DHW OPERATION - ALARM 09

Next: p822, f816

OBSERVATION CH OPERATION - ALARM 09

Next: p824, !f827

RESISTANCE FLOW SENSOR

REMOVE CONNECTOR FROM THE FLOW SENSOR

Next: !p828, !f826

OBSERVATION DOES BURNER EXTINGUISH ON DEMAND END

Next: !p840, f841

OBSERVATION COLD WATER SUPPLY

Next: p86, !f95

RESISTANCE RECTIFICATION LEAD

REMOVE RECTIFICATION LEAD FROM PCB & ELECTRODE

Next: !p846, !f847

RESISTANCE DIVERTER VALVE MOTOR AND HARNESS - FUSE INVESTIGATION

REMOVE CONNECTOR CN9 FROM THE PCB

Next: p856, f857

RESISTANCE PUMP AND HARNESS - FUSE INVESTIGATION

REMOVE CONNECTORS CN13 & CN15 FROM THE PCB

Next: p861, f862

INSPECTION WATER FLOW SENSOR ASSEMBLY

ISOLATE COLD MAINS A

Next: !p88, !f96

RESISTANCE FAN AND HARNESS FOR FUSE INVESTIGATION

REMOVE CONNECTOR CN13 FROM THE PCB

Next: p865, f866

RESISTANCE GAS VALVE AND HARNESS - FUSE INVESTIGATION

REMOVE CONNECTOR CN12 FROM THE PCB

Next: p1190, f870

FURTHER INVESTIGATION AFTER USING FAULT CODE HISTORY

Next: !p891, !f892

RESISTANCE HARNESS - PRESSURE SENSOR

REMOVE ELECTRICAL CONNECTOR FROM PRESSURE SENSOR

Next: p900, !f901

INSPECTION SENSOR - SYSTEM PRESSURE

DRAIN PRIMARY SYSTEM WATER FROM BOILER
REMOVE SYSTEM PRESSURE SENSOR FROM MANIFOLD

Next: !p902, ?904, ?906

FURTHER INVESTIGATION AFTER USING FAULT CODE HISTORY

Next: !p910, !f911

FURTHER INVESTIGATION AFTER USING FAULT CODE HISTORY

Next: !p920, !f921

FURTHER INVESTIGATION AFTER USING FAULT CODE HISTORY

Next: !p934, !f935

RESISTANCE FLOW SENSOR

REMOVE CONNECTOR FROM THE FLOW SENSOR

Next: p939, !f940

OBSERVATION PUMP OVERRUN

Next: p941, !f942

TEMPERATURE DIFFERENTIAL PLATE HEAT EXCHANGER

ATTACH TEMPERATURE PROBES/CLAMPS TO THE FLOW & RETURN PIPES
(AS INDICATED BY THE RED ARROWS)

Next: p943, f944

TEMPERATURE DIFFERENTIAL MAIN HEAT EXCHANGER (ALARM 07)

ATTACH TEMPERATURE PROBES/CLAMPS TO THE FLOW & RETURN PIPES
(AS INDICATED BY THE RED ARROWS)

Next: p968, !f950

OBSERVATION DOES ALARM 07 OCCUR DURING OPERATION

Next: p976, ?970, ?972

RESISTANCE SAFETY THERMOSTAT

REMOVE 1X LEAD FROM SAFETY THERMOSTAT

Next: !p974, !f975

FURTHER INVESTIGATION AFTER USING FAULT CODE HISTORY

Next: !p977, !f978

System Information

  • Total Tests: 664
  • Sequence Logic: Decoded from encrypted .seq file
  • Navigation: Dynamic based on pass/fail results
  • Source: 4731307 GW SWIFTFLOW 100 SIT Control

XSol Diagnostic System - Generated from extracted test data