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:

INTERGAS COMBI COMPACT ECO RF 24

GLOBALLY REPLACED

Next: &24, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

FUSE INVESTIGATION TREE

OUTSIDE MODEL

Next: &nff, f2

FAULT CODE 29, 30 - GAS VALVE RELAY FAULTY

OUTSIDE MODEL

Next: &nff, f22

FAULT CODE 8 - INCORRECT FAN SPEED

Next: &nff, f342

FAULT CODE 6 - FLAME DETECTION FAULT- DUMMY GO TO BURNER IGNITES PAGE

OUTSIDE MODEL

Next: &nff, !f20

FAULT CODE 5 - POOR FLAME SIGNAL- DUMMY GO TO BURNER IGNITES PAGE

OUTSIDE MODEL

Next: &nff, !f19

FAULT CODE 4 - NO FLAME SIGNAL - DUMMY GO TO BURNER IGNITES PAGE

OUTSIDE MODEL

Next: &nff, !f18

FAULT CODE 2 - S1 AND S2 INTERCHANGED

OUTSIDE MODEL

Next: &nff, f17

FAULT CODE 1 - TEMPERATURE TOO HIGH

OUTSIDE MODEL

Next: &nff, f370

FAULT CODE 0 - SENSOR FAULT AFTER SELF CHECK

OUTSIDE MODEL

Next: &nff, f328

FAULT CODE 20, 21, 22, 23, 24 - SENSOR FAULT S2 (RETURN)

OUTSIDE MODEL

Next: &nff, f321

FAULT CODE 10, 11, 12, 13, 14 - SENSOR FAULT S1 (FLOW)

OUTSIDE MODEL

Next: &nff, f13

CASE OFF

Next: &27, !f25

OBSERVATION DISPLAY OPERATES AND SELF CHECK

ENSURE NO DEMANDS

Next: &34, ?28, ?30, ?40, ?240

TYPE OF DIAGNOSTIC PROCEDURE

PLEASE SELECT FROM O

Next: &59, !f35

OBSERVATION BOILER RUNS FOR DHW

Next: &67, ?42, ?44, ?46

OBSERVATION DHW FLOW RATE

Next: &38, f60

OBSERVATION BURNER IGNITES AND ESTABLISHES

Next: &68, ?73, ?104, ?123

OPERATION DHW

Next: &157, ?147, ?149, ?153, ?155

OBSERVATION DHW MODULATION

Next: &473, f158

OBSERVATION BOILER RESPONDS TO CH DEMAND

Next: &179, f178

OBSERVATION PUMP RUNS CH DEMAND

Next: &185, f180

OPERATION CH

Next: &396, ?186, ?188, ?208, ?355

PRESSURE SYSTEM AT TEMPERATURE

Next: &220, f289

OBSERVATION PUMP OVERRUN

Next: &nff, !f221

INFORMATION SET DHW / CH TEMPERATURE

Next: &nff, !f261

PRESSURE SYSTEM COLD

Next: &177, ?293, ?295, ?297

OBSERVATION CH MODULATION

Next: &219, f397

INFORMATION HOW TO SET MULTIMETER TO DIODE TEST

THE IMAGES BELOW SHO

Next: &nff, !f417

OBSERVATION PREHEAT OPERATION

Next: &292, !f474

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE - DROP SEEN

FLUE

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE

HEAT EXCHANGER ASSEMBLY (FLUEWAYS)

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT ESTABLISH

TRAP - CONDENSATE

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT ESTABLISH

GAS INLET PRESSURE

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT ESTABLISH

FLUE

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT ESTABLISH

HEAT EXCHANGER ASSEMBLY (FLUEWAYS)

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT ESTABLISH

CABLE - IGNITION C/W CAP

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT ESTABLISH

MODULE - IGNITION - SIEMENS SMART

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT ESTABLISH

PIN - IGNITION

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - BAFFLES

TRAP - CONDENSATE

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - BAFFLES

GAS INLET PRESSURE

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - BAFFLES

FLUE

Next: End

OPERATION DHW - TOO HOT

NTC - DHW

Next: End

OBSERVATION DHW MODULATION

NTC - DHW

Next: End

OPERATION DHW - TOO COOL

NTC - DHW

Next: End

OPERATION DHW - DHW COOL RADS COOL

GAS INLET PRESSURE

Next: End

FAULT CODE 4

Z REDIRECT

Next: End

OBSERVATION PUMP RUNS CH DEMAND - AC VOLTAGE

PCB - CONTROL

Next: End

FAULT CODE 5

Z REDIRECT

Next: End

OPERATION CH - NOISY

PUMP - YONOS

Next: End

FAULT CODE 6

Z REDIRECT

Next: End

OPERATION CH - UP TO TEMP RADS COOL

PUMP - YONOS

Next: End

OPERATION CH - DOES NOT REACH TEMP - FLOW

NTC 1 -2 (FLOW & RETURN)

Next: End

OPERATION CH - DOES NOT REACH TEMP - RETURN

NTC 1 -2 (FLOW & RETURN)

Next: End

OBSERVATION PUMP OVERRUN

PCB - CONTROL

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK - FIRING NO DEMAND - DHW

PCB - CONTROL

Next: End

FAULT CODE PAGE 2

Z REDIRECT

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK

MAINS FUSE

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK

FUSE F1

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK - WRONG SYSTEM PRESSURE

PCB - CONTROL

Next: End

INFORMATION CASE REMOVAL

Z REDIRECT

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK - FIRES NO DEMAND - 24V

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK - FIRES NO DEMAND - 240V

Next: End

OBSERVATION BOILER RUNS FOR DHW - NO VOLTAGE TO FAN

PCB - CONTROL

Next: End

SET PREHEAT AND DHW / CH TEMPERATURE

Z REDIRECT

Next: End

OBSERVATION BOILER RUNS FOR DHW - FAN RUNS

CABLE - FAN

Next: End

OBSERVATION BOILER RUNS FOR DHW - FAN DOES NOT RUN

CABLE - FAN

Next: End

OBSERVATION BOILER RESPONDS TO CH DEMAND - NO VOLTAGE TO 240V

PCB - CONTROL

Next: End

OBSERVATION BOILER RESPONDS TO CH DEMAND - OPENTHERM

PCB - CONTROL

Next: End

OBSERVATION BOILER RESPONDS TO CH DEMAND - 24V

PCB - CONTROL

Next: End

INSPECTION SYSTEM PRESSURE AT TEMPERATURE

EXPANSION VESSEL

Next: End

PRESSURE SYSTEM COLD - NO VOLTAGE TO SENSOR

PCB - CONTROL

Next: End

PRESSURE SYSTEM COLD

CABLE - NTC

Next: End

PRESSURE SYSTEM COLD - IGNORING SENSOR

PCB - CONTROL

Next: End

FUSE INVESTIGATION

PUMP - YONOS

Next: End

FAULT CODE 10 11 12 13 14

PCB - CONTROL

Next: End

FAULT CODE 10 11 12 13 14

NTC 1 -2 (FLOW & RETURN)

Next: End

FAULT CODE 20 21 22 23 24

NTC 1 -2 (FLOW & RETURN)

Next: End

FAULT CODE 20 21 22 23 24

PCB - CONTROL

Next: End

FAULT CODE 0 - FLOW

NTC 1 -2 (FLOW & RETURN)

Next: End

FAULT CODE 0

PCB - CONTROL

Next: End

FAULT CODE 0 - RETURN

NTC 1 -2 (FLOW & RETURN)

Next: End

FAULT CODE 8 - NO VOLTAGE TO FAN

PCB - CONTROL

Next: End

FAULT CODE 8 - FAN DOES NOT RUN

CABLE - FAN

Next: End

TYPE OF DIAGNOSTIC PROCEDURE

Z REDIRECT

Next: End

FAULT CODE 8 - FAN RUNS

CABLE - FAN

Next: End

FAULT CODE 29 30

PCB - CONTROL

Next: End

FAULT CODE 2

NTC 1 -2 (FLOW & RETURN) - FITMENT

Next: End

FAULT CODE 2 - FLOW

NTC 1 -2 (FLOW & RETURN)

Next: End

FAULT CODE 2 - RETURN

NTC 1 -2 (FLOW & RETURN)

Next: End

FAULT CODE 2

PCB - CONTROL

Next: End

FAULT CODE 1 - FLOW

NTC 1 -2 (FLOW & RETURN)

Next: End

FAULT CODE 1 - RETURN

NTC 1 -2 (FLOW & RETURN)

Next: End

OPERATION CH - DISPLAY REMAINS ON - FLOW

NTC 1 -2 (FLOW & RETURN)

Next: End

OPERATION CH - DISPLAY REMAINS ON 1 - RETURN

NTC 1 -2 (FLOW & RETURN)

Next: End

OPERATION CH - NOISY

AIR IN BOILER / SYSTEM

Next: End

OPERATION CH - UP TO TEMP RADS COOL

AIR IN BOILER / SYSTEM

Next: End

OBSERVATION CH MODULATION - FLOW

NTC 1 -2 (FLOW & RETURN)

Next: End

FAULT CODE 1

PCB - CONTROL

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK

CABLE - FAN

Next: End

FUSE INVESTIGATION

GAS VALVE VGU 76S - SIEMENS SMART

Next: End

FUSE INVESTIGATION

MODULE - IGNITION - SIEMENS SMART

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE

CABLE - IGNITION C/W CAP

Next: End

INFORMATION HOW TO SET MULTIMETER TO DIODE TEST

Z REDIRECT

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE

INJECTOR

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT ESTABLISH

INJECTOR

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - BAFFLES

HEAT EXCHANGER ASSEMBLY (FLUEWAYS)

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - BAFFLES

INJECTOR

Next: End

OPERATION DHW - DHW COOL RADS COOL

FLUE

Next: End

OPERATION DHW - DHW COOL RADS COOL

INJECTOR

Next: End

OPERATION DHW - DHW COOL RADS COOL

HEAT EXCHANGER ASSEMBLY (FLUEWAYS)

Next: End

OPERATION DHW - DHW COOL RADS COOL

BURNER BRAIDED STAINLESS STEEL

Next: End

OBSERVATION PREHEAT OPERATION

PCB - CONTROL

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK - FIRES NO DEMAND - FROST

NTC 1 -2 (FLOW & RETURN)

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK - FIRES NO DEMAND

FROST PROTECTION

Next: End

OPERATION DHW - DHW COOL RADS COOL

EXTERNAL MIXING

Next: End

OPERATION CH - KETTLES

Next: End

OPERATION CH - UP TO TEMP RADS COOL

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE - NO DROP

INJECTOR

Next: End

FUSE INVESTIGATION - EARTH

MODULE - IGNITION - SIEMENS SMART

Next: End

OPERATION CH - NOISY

PCB PARAMETERS

Next: End

OPERATION CH - UP TO TEMP RADS COOL

PCB PARAMETERS

Next: End

OPERATION CH - DOES NOT REACH TEMP

PCB PARAMETERS

Next: End

OPERATION CH - UP TO TEMP RADS COOL

VALVE - RETURN AND VALVE - FLOW

Next: End

OBSERVATION BOILER RUNS FOR DHW - BLANK

NTC - DHW

Next: End

OBSERVATION BOILER RUNS FOR DHW - BLANK - NO VOLTAGE TO SENSOR

PCB - CONTROL

Next: End

OBSERVATION BOILER RUNS FOR DHW - BLANK - DHW FLOW SENSOR

CABLE - NTC

Next: End

OBSERVATION BOILER RUNS FOR DHW - 1

NTC - DHW

Next: End

OBSERVATION DHW FLOW RATE

WATER SUPPLY

Next: End

OBSERVATION DHW FLOW RATE

VALVE - WATER - COLD

Next: End

OBSERVATION DHW FLOW RATE

FLOW SENSOR - SIKA

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE

TRAP - CONDENSATE

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE

GAS VALVE VGU 76S - SIEMENS SMART AND PCB - CONTROL

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE - NO DROP

FLUE

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE - NO VOLTAGE TO GAS VALVE

MODULE - IGNITION - SIEMENS SMART

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE - NO VOLTAGE TO SPARK GEN

PCB - CONTROL

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE

PIN - IGNITION

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT ESTABLISH

PCB - CONTROL

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - BAFFLES

GAS VALVE VGU 76S - SIEMENS SMART

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE

BURNER BRAIDED STAINLESS STEEL

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT ESTABLISH

BURNER BRAIDED STAINLESS STEEL

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - BAFFLES

BURNER BRAIDED STAINLESS STEEL

Next: End

OPERATION DHW - DHW COOL RADS HEAT

PCB - CONTROL

Next: End

OPERATION DHW - TOO HOT

PCB - CONTROL

Next: End

OPERATION DHW - NOISY

HEAT EXCHANGER (WATERWAYS)

Next: End

OBSERVATION DHW MODULATION

PCB - CONTROL

Next: End

OBSERVATION PUMP RUNS CH DEMAND

PUMP - YONOS

Next: End

OPERATION CH - NOISY

HEAT EXCHANGER (WATERWAYS)

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK - FIRING NO DEMAND

OPEN TAP OR LEAK

Next: End

FAULT CODE PAGE 1

Z REDIRECT

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK - MAINS FUSE

Z REDIRECT

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK - PCB FUSE

Z REDIRECT

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK

SYSTEM PRESSURE

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK

SENSOR - PRESSURE - CH (BLOCKAGE)

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK - FIRES NO DEMAND - 24V

PCB - CONTROL

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK - FIRES NO DEMAND - 240V

PCB - CONTROL

Next: End

OBSERVATION BOILER RUNS FOR DHW - IGNORING FAN HALL

PCB - CONTROL

Next: End

OBSERVATION BOILER RUNS FOR DHW - HALL SENSOR

SET - REPLACEMENT - FAN

Next: End

OBSERVATION BOILER RUNS FOR DHW - NOT RUNNING

SET - REPLACEMENT - FAN

Next: End

OBSERVATION BOILER RESPONDS TO CH DEMAND - IGNORING 240V DEMAND

PCB - CONTROL

Next: End

OBSERVATION BOILER RESPONDS TO CH DEMAND - 240V

Next: End

OBSERVATION BOILER RESPONDS TO CH DEMAND - OPENTHERM

Next: End

OBSERVATION BOILER RESPONDS TO CH DEMAND - 24V

Next: End

INSPECTION SYSTEM PRESSURE AT TEMPERATURE

HOSE DN10 1=500 - EXPANSION VESSEL

Next: End

PRESSURE SYSTEM COLD

SYSTEM PRESSURE (TOO HIGH)

Next: End

PRESSURE SYSTEM COLD

SENSOR - PRESSURE - CH

Next: End

PRESSURE SYSTEM COLD

SENSOR - PRESSURE - CH (BLOCKAGE)

Next: End

FAULT CODE 10 11 12 13 14

Z REDIRECT

Next: End

FAULT CODE 10 11 12 13 14

CABLE - NTC

Next: End

FAULT CODE 20 21 22 23 24

CABLE - NTC

Next: End

FAULT CODE 20 21 22 23 24

Z REDIRECT

Next: End

FAULT CODE 0 - FLOW THERMISTOR

CABLE - NTC

Next: End

FAULT CODE 0

Z REDIRECT

Next: End

FAULT CODE 0 - RETURN THERMISTOR

CABLE - NTC

Next: End

FAULT CODE 8 - NOT RUNNING

SET - REPLACEMENT - FAN

Next: End

FAULT CODE 8 - IGNORING FAN HALL

PCB - CONTROL

Next: End

FAULT CODE 8 - HALL SENSOR

SET - REPLACEMENT - FAN

Next: End

FAULT CODE 29 30

Z REDIRECT

Next: End

FAULT CODE 2 - FLOW THERMISTOR

CABLE - NTC

Next: End

FAULT CODE 2 - RETURN THERMISTOR

CABLE - NTC

Next: End

FAULT CODE 2

Z REDIRECT

Next: End

FAULT CODE 1 - FLOW THERMISTOR

CABLE - NTC

Next: End

FAULT CODE 1 - RETURN THERMISTOR

CABLE - NTC

Next: End

FAULT CODE 1 - SEND TO START OF TESTING CH

Z REDIRECT

Next: End

OPERATION CH - DISPLAY REMAINS ON 1

PCB - CONTROL

Next: End

OPERATION CH - UP TO TEMP RADS COOL

Next: End

OBSERVATIO CH MODULATION

PCB - CONTROL

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK - NO DISPLAY

PCB - CONTROL

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK

SET - REPLACEMENT - FAN

Next: End

OPERATION DHW - DHW COOL RADS COOL

HEAT EXCHANGER (WATERWAYS)

Next: End

OBSERVATION DISPLAY OPERATES AND SELF CHECK - FIRES NO DEMAND - FROST

PCB - CONTROL

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE - NOT OPENING

GAS VALVE VGU 76S - SIEMENS SMART

Next: End

OBSERVATION BOILER RUNS FOR DHW - BLANK - IGNORING DEMAND

PCB - CONTROL

Next: End

FUSE INVESTIGATION

NO FAULT FUSE INVESTIGATION

Next: End

OPERATION CH - DOES NOT REACH TEMP

PCB - CONTROL

Next: End

OBSERVATION BOILER RUNS FOR DHW - BLANK - DHW THERMISTOR

CABLE - NTC

Next: End

OBSERVATION BOILER RUNS FOR DHW - BLANK

FLOW SENSOR - SIKA

Next: End

OBSERVATION BOILER RUNS FOR DHW - 1

PCB - CONTROL

Next: End

OBSERVATION DHW FLOW RATE

HEAT EXCHANGER (FLOW RATE)

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE

GAS INLET PRESSURE

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE - NO VOLTAGE TO GAS VALVE

PCB - CONTROL

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE - NO SPARKING

MODULE - IGNITION - SIEMENS SMART

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE - ONLY OPENING PARTIALLY

GAS VALVE VGU 76S - SIEMENS SMART

Next: End

BURNER IGNITES BUT DOES NOT ESTABLISH

CHARACTERISTIC TEST FROM OBSERVATION BURNER IGNITES AND ESTABLISHES

Next: p105

BURNER IGNITES BUT BAFFLES OUT

CHARACTERISTIC TEST FROM OBSERVATION BURNER IGNITES AND ESTABLISHES

Next: p124

DHW COOL, PUMP RUNS AND RADIATORS HEAT

CHARACTERISTIC TEST FROM OPERATION DHW

Next: !p148

DHW TOO HOT

CHARACTERISTIC TEST FROM OPERATION DHW

Next: p150

HEAT EXCHANGER NOISY (KETTLES) DURING OPERATION

CHARACTERISTIC TEST FROM OPERATION DHW

Next: !p154

DHW COOL, RADIATORS COOL

CHARACTERISTIC TEST FROM OPERATION DHW

Next: p491

RADIATORS HEAT BUT HEAT EXCHANGER NOISY (KETTLES)

CHARACTERISTIC TEST FROM OPERATION CH

Next: p190

BOILER REACHES TEMPERATURE BUT RADIATORS NOT HEATING

CHARACTERISTIC TEST FROM OPERATION CH

Next: p198

BOILER AND RADIATORS DO NOT REACH TEMPERATURE

CHARACTERISTIC TEST FROM OPERATION CH

Next: p209

DISPLAY FLASHING SHOWING LOW PRESSURE

CHARACTERISTIC TEST FROM OBSERVATION DISPLAY OPERATES AND SELF CHECK

Next: p241

24V CONTROLS FITTED

CHARACTERISTIC TEST FROM OBSERVATION TYPE OF EXTERNAL CONTROLS

Next: p270

OPENTHERM CONTROLS FITTED

CHARACTERISTIC TEST FROM OBSERVATION TYPE OF EXTERNAL CONTROLS

Next: p272

BOILER SHOWS FAULT CODE

CHARACTERISTIC TEST FROM OBSERVATION DISPLAY OPERATES AND SELF CHECK

Next: p29

BOILER DOES NOT SHOW PRESSURE

CHARACTERISTIC TEST FROM PRESSURE SYSTEM COLD

Next: p294

PRESSURE DOES NOT CHANGE WHEN WATER ADDED TO SYSTEM

CHARACTERISTIC TEST FROM PRESSURE SYSTEM COLD

Next: p296

SYSTEM PRESSURE TOO HIGH

CHARACTERISTIC TEST FROM PRESSURE SYSTEM COLD

Next: !p298

DISPLAY DOES NOT OPERATE

CHARACTERISTIC TEST FROM OBSERVATION DISPLAY OPERATES AND SELF CHECK

Next: p31

BURNER DOES NOT IGNITE - DISPLAY REMAINS ON 1

CHARACTERISTIC TEST FROM OPERATION CH

Next: p388

BOILER FIRES WITH NO DEMAND

CHARACTERISTIC TEST FROM OBSERVATION DISPLAY OPERATES AND SELF CHECK

Next: p41

DISPLAY REMAINS BLANK (AFTER SELF CHECK)

CHARACTERISTIC TEST FROM OBSERVATION BOILER RUNS FOR DHW

Next: p43

DISPLAY REMAINS ON 1

CHARACTERISTIC TEST FROM OBSERVATION BOILER RUNS FOR DHW

Next: p45

DISPLAY REMAINS ON 3 (MAY GO TO LOCKOUT CODE 8)

CHARACTERISTIC TEST FROM OBSERVATION BOILER RUNS FOR DHW

Next: p47

BURNER DOES NOT IGNITE

CHARACTERISTIC TEST FROM OBSERVATION BURNER IGNITES AND ESTABLISHES

Next: p74

INLET PRESSURE DOES NOT DROP DURING SPARKING

CHARACTERISTIC TEST FROM PRESSURE GAS INLET AND DROP

Next: p79

INLET PRESSURE DIES AWAY DURING SPARKING

CHARACTERISTIC TEST FROM PRESSURE GAS INLET AND DROP

Next: !p81

06/12/2018 09:24:00 1811_2_50_1 22/01/2019 14:18:14

06/12/2018 09:45:26

Next: End

INSPECTION FLUE

Next: p428, !f114

RESISTANCE FLOW THERMISTOR (S1) AND HARNESS

DISCONNECT X7 FROM THE PCB

Next: p315, f316

INSPECTION INJECTOR

UNDO TOP NUT OF GAS VALVE AND REMOVE INJECTOR

Next: p144, !f438

RESISTANCE DHW THERMISTOR AND HARNESS

DISCONNECT X7 FROM THE PCB

Next: !p159, !f160

INSPECTION FLOW AND RETURN THERMISTORS

Next: p359, !f357

OBSERVATION TYPE OF EXTERNAL CONTROLS

{GAINPCBACS}

Next: p268, ?269, ?271

VOLTAGE PUMP (AC)

{GAINPCBACS}

Next: !p182, !f181

RESISTANCE PUMP

DISCONNECT X2 FROM THE PCB

Next: p406, !f305

OBSERVATION BOILER RESET

Next: !p353, !f354

OBSERVATION TYPE OF EXTERNAL CONTROLS (SELF CHECK)

{GAINPCBACS}

Next: p226, f251

RESISTANCE MAINS FUSE

REMOVE FUSE FROM FUSED SPUR

Next: !p234, f231

FUSE FURTHER INVESTIGATION

Next: !p232, !f233

FUSE FURTHER INVESTIGATION

Next: !p238, !f239

VOLTAGE PRESSURE SENSOR (PRESSURE)

{GAINPCBACS}

Next: !p244, !f246

OBSERVATION DISCONNECT X4

DISCONNECT X4 FROM THE PCB AND MAKE SAFE

Next: !p252, !f253

RESISTANCE HARNESS FAN

DISCONNECT PLUG FROM THE FAN
DISCONNECT X3 FROM THE PCB

Next: !p263, !f264

VOLTAGE EXTERNAL CONTROLS (PERMANENT)

Next: !p275, !f276

PRESSURE EXPANSION VESSEL

DRAIN BOILERS HEATING CIRCUIT

Next: !p290, !f291

RESISTANCE FLOW THERMISTOR (S1)

DISCONNECT INLINE CONNECTOR TO FLOW THERMISTOR

Next: !p319, !f320

RESISTANCE RETURN THERMISTOR (S2) AND HARNESS

DISCONNECT X7 FROM THE PCB

Next: p322, f323

RESISTANCE RETURN THERMISTOR (S2)

DISCONNECT INLINE CONNECTOR TO RETURN THERMISTOR

Next: !p324, !f325

RESISTANCE FLOW THERMISTOR (S1) AND HARNESS

DISCONNECT X7 FROM THE PCB

Next: p335, f330

RESISTANCE FLOW THERMISTOR (S1)

DISCONNECT INLINE CONNECTOR TO FLOW THERMISTOR

Next: !p331, !f332

RESISTANCE RETURN THERMISTOR (S2)

DISCONNECT INLINE CONNECTOR TO RETURN THERMISTOR

Next: !p340, !f341

OBSERVATION FAN RUNS FOR DHW

Next: p343, f344

VOLTAGE FAN DEMAND

{GAINPCBACS}
DISCONNECT PLUG FROM FAN AND MAKE SAFE

Next: p345, !f346

RESISTANCE HARNESS FAN

DISCONNECT PLUG FROM THE FAN
DISCONNECT X3 FROM THE PCB

Next: !p351, !f352

RESISTANCE FLOW THERMISTOR (S1)

DISCONNECT INLINE CONNECTOR TO FLOW THERMISTOR

Next: !p362, !f363

RESISTANCE RETURN THERMISTOR (S2)

DISCONNECT INLINE CONNECTOR TO RETURN THERMISTOR

Next: !p366, !f367

RESISTANCE FLOW THERMISTOR (S1) AND HARNESS

DISCONNECT X7 FROM THE PCB

Next: p371, f372

RESISTANCE FLOW THERMISTOR (S1)

DISCONNECT INLINE CONNECTOR TO FLOW THERMISTOR

Next: !p373, !f374

RESISTANCE RETURN THERMISTOR (S2)

DISCONNECT INLINE CONNECTOR TO RETURN THERMISTOR

Next: !p377, !f378

RESISTANCE FLOW THERMISTOR (S1)

DISCONNECT INLINE CONNECTOR TO FLOW THERMISTOR

Next: !p398, !f399

OBSERVATION DISCONNECT FAN

DISCONNECT PLUG FROM FAN
RECONNECT X3 AT THE PCB IF YOU HAVE NOT ALREADY DONE SO

Next: !p404, !f405

OBSERVATION IS BOILER IN FROST PROTECTION

NO DEMANDS

Next: p486, f223

VOLTAGE DHW FLOW SENSOR (PERMANENT)

Next: p50, !f56

RESISTANCE DHW THERMISTOR

DISCONNECT CONNECTOR TO DHW THERMISTOR (REQUIRES FLUE PIPE & SUMP / CONDENSATE REMOVAL)

Next: !p54, !f55

OBSERVATION WATER SUPPLY

Next: p61, !f69

VOLTAGE FAN DEMAND

{GAINPCBACS}
DISCONNECT PLUG FROM FAN AND MAKE SAFE

Next: p265, !f259

RESISTANCE GAS VALVE

DISCONNECT PLUG FROM GAS VALVE

Next: !p83, !f84

VOLTAGE SPARK GENERATOR

{GAINPCBACS}

Next: !p91, !f92

INSPECTION FLUE

Next: p418, !f101

INSPECTION FLUEWAYS

REMOVE GAS / FAN / BURNER ASSEMBLY

Next: !p138, !f103

INSPECTION CONDENSATE

Next: p107, !f106

PRESSURE GAS INLET

ATTACH U-GAUGE TO GAS INLET PRESSURE TEST POINT

Next: p110, !f108

PRESSURE FAN

ATTACH U-GAUGE TO OUT TEST POINT ON THE GAS VALVE

Next: p111, f112

RESISTANCE IGNITION / RECTIFICATION LEAD

DISCONNECT RECTIFICATION LEAD FROM SPARK ELECTRODE AND IGNITION MODULE

Next: p118, !f117

INSPECTION FLUEWAYS

REMOVE GAS / FAN / BURNER ASSEMBLY

Next: !p141, !f116

RESISTANCE IGNITION MODULE RECTIFICATION

DISCONNECT X1 FROM THE PCB
DISCONNECT SPARK / RECTIFICATION LEAD FROM THE IGNITION MODULE

Next: p120, !f119

INSPECTION ELECTRODE

REMOVE IGNITION / RE

Next: !p122, !f121

INSPECTION CONDENSATE

Next: p126, !f125

PRESSURE GAS INLET

ATTACH U-GAUGE TO GAS INLET PRESSURE TEST POINT

Next: p131, !f127

PRESSURE FAN

ATTACH U-GAUGE TO OUT TEST POINT ON THE GAS VALVE

Next: !p129, f130

INSPECTION FLUE

Next: p128, !f135

INSPECTION FLUEWAYS

REMOVE GAS / FAN / BURNER ASSEMBLY

Next: !p145, !f437

RESISTANCE DHW THERMISTOR AND HARNESS

DISCONNECT X7 FROM THE PCB

Next: !p152, !f151

RESISTANCE DHW THERMISTOR AND HARNESS

DISCONNECT X7 FROM THE PCB

Next: p166, !f161

PRESSURE GAS INLET (DHW TOO COOL)

ATTACH U-GAUGE TO GAS INLET PRESSURE TEST POINT

Next: p463, !f171

INSPECTION SYSTEM FILLED AND VENTED

Next: p506, !f393

INSPECTION PUMP

DRAIN BOILER PRIMARY CIRCUIT
REMOVE GAS VALVE

Next: !p192, !f193

INSPECTION SYSTEM FILLED AND VENTED

Next: p535, !f394

INSPECTION PUMP

DRAIN BOILER PRIMARY CIRCUIT
REMOVE GAS VALVE

Next: !p395, !f206

RESISTANCE FLOW THERMISTOR (S1)

DISCONNECT INLINE CONNECTOR TO FLOW THERMISTOR

Next: p215, !f210

RESISTANCE RETURN THERMISTOR (S2)

DISCONNECT INLINE CONNECTOR TO RETURN THERMISTOR

Next: p532, !f217

OBSERVATION ISOLATE DHW

TURN DHW ISOLATION V

Next: !p225, !f224

VOLTAGE EXTERNAL CONTROL (SWITCHED LIVE) - NO DEMAND

Next: !p254, !f255

RESISTANCE PCB FUSE

REMOVE FUSE FROM HOLDER ON THE PCB

Next: p401, f237

OBSERVATION REFILL SYSTEM

Next: !p242, f243

RESISTANCE HARNESS FAN

DISCONNECT PLUG FROM THE FAN
DISCONNECT X3 FROM THE PCB

Next: !p266, !f267

VOLTAGE EXTERNAL CONTROL (SWITCHED LIVE)

Next: !p274, f273

OBSERVATION LINK 24V CONTROLS

REMOVE 24V CONTROL C

Next: !p279, !f280

OBSERVATION LINK OPENTHERM CONTROLS

REMOVE OPENTHERM CON

Next: !p277, !f278

FAULT CODES

Next: !p228, !f229

VOLTAGE PRESSURE SENSOR (PERMANENT)

{GAINPCBACS}

Next: p299, !f300

VOLTAGE PRESSURE SENSOR (PRESSURE)

{GAINPCBACS}

Next: !p303, !f304

RESISTANCE HARNESS PRESSURE SENSOR

DISCONNECT PLUG FROM WATER PRESSURE SENSOR
DISCONNECT X7 FROM THE PCB

Next: !p301, !f302

VOLTAGE MAINS AT PCB

{GAINPCBACS}

Next: p235, f230

OBSERVATION BOILER RESET

Next: !p317, !f318

OBSERVATION BOILER RESET

Next: !p326, !f327

OBSERVATION BOILER RESET

Next: !p333, !f334

RESISTANCE RETURN THERMISTOR (S2) AND HARNESS

DISCONNECT X7 FROM THE PCB

Next: p329, f339

VOLTAGE FAN HALL SENSOR

{GAINPCBACS}

Next: !p349, f350

RESISTANCE HARNESS FAN

DISCONNECT PLUG FROM THE FAN
DISCONNECT X3 FROM THE PCB

Next: !p347, !f348

RESISTANCE FLOW THERMISTOR (S1) AND HARNESS

DISCONNECT X7 FROM THE PCB

Next: p360, f361

RESISTANCE RETURN THERMISTOR (S2) AND HARNESS

DISCONNECT X7 FROM THE PCB

Next: p364, f365

OBSERVATION BOILER RESET

Next: !p368, !f369

RESISTANCE RETURN THERMISTOR (S2) AND HARNESS

DISCONNECT X7 FROM THE PCB

Next: p375, f376

OBSERVATION BOILER RESET (1)

ENSURE BOILER IS COOL

Next: !p382, !f400

RESISTANCE FLOW THERMISTOR (S1)

DISCONNECT INLINE CONNECTOR TO FLOW THERMISTOR

Next: p389, !f390

RESISTANCE RETURN THERMISTOR (S2)

DISCONNECT INLINE CONNECTOR TO RETURN THERMISTOR

Next: !p391, !f392

OBSERVATION DISCONNECT X3

DISCONNECT X3 FROM THE PCB

Next: !p402, f403

RESISTANCE GAS VALVE

DISCONNECT PLUG FROM GAS VALVE

Next: p407, !f408

DIODE TEST GAS VALVE HARNESS

REMOVE THE CONNECTOR

Next: p519, !f410

OBSERVATION WHICH DEMAND IS SHOWING

Next: p222, f475

RESISTANCE IGNITION / RECTIFICATION LEAD

DISCONNECT RECTIFICATION LEAD FROM SPARK ELECTRODE AND IGNITION MODULE

Next: p97, !f415

INSPECTION INJECTOR

UNDO TOP NUT OF GAS VALVE AND REMOVE INJECTOR

Next: p100, !f426

INSPECTION INJECTOR

UNDO TOP NUT OF GAS VALVE AND REMOVE INJECTOR

Next: p113, !f434

VOLTAGE DHW FLOW SENSOR (DEMAND)

{GAINPCBACS}

Next: p51, f48

RESISTANCE DHW THERMISTOR AND HARNESS

DISCONNECT X7 FROM THE PCB

Next: !p63, !f64

INSPECTION FLUE

Next: p464, !f465

INSPECTION INJECTOR

UNDO TOP NUT OF GAS VALVE AND REMOVE INJECTOR

Next: p466, !f467

INSPECTION FLUEWAYS

REMOVE GAS / FAN / BURNER ASSEMBLY

Next: p470, !f469

OBSERVATION FAN RUNS FOR DHW

Next: p65, f66

INSPECTION BURNER

REMOVE FAN / GAS VALVE / BURNER ASSEMBLY

Next: !p471, !f472

RESISTANCE FLOW THERMISTOR (S1)

DISCONNECT INLINE CONNECTOR TO FLOW THERMISTOR

Next: !p484, !f485

TEMPERATURE AMBIENT

Next: p483, !f490

TEMPERATURE DIFFERENCE BOILER TO TAP (MIXER PASSING)

ATTACH TEMPERATURE CLAMP TO DHW OUTLET PIPE UNDERNEATH BOILER (SEE PICTURE)

Next: p156, !f505

RESISTANCE HARNESS DHW FLOW SENSOR

DISCONNECT PLUG FROM FLOW SENSOR
DISCONNECT X7 FROM THE PCB

Next: !p57, !f58

INSPECTION EXTERNAL BYPASS

Next: p522, !f510

RESISTANCE DHW THERMISTOR AND HARNESS

DISCONNECT X7 FROM THE PCB

Next: !p52, f53

INSPECTION EXTERNAL BYPASS

Next: p527, !f515

INSPECTION INJECTOR

UNDO TOP NUT OF GAS VALVE AND REMOVE INJECTOR

Next: !p517, !f518

RESISTANCE HARNESS GAS VALVE TO EARTH

DISCONNECT X1 FROM THE PCB

Next: !p520, !f521

INSPECTION PARAMETERS 3 AND 3.

NO DEMANDS

Next: p191, !f526

INSPECTION PARAMETERS 3 AND 3.

NO DEMANDS

Next: p199, !f531

INSPECTION PARAMETERS 3 AND 3.

NO DEMANDS

Next: !p533, !f534

INSPECTION ISOLATION VALVES CH

Next: p511, !f543

INSPECTION DHW ISOLATION VALVE

Next: p62, !f70

INSPECTION DHW FLOW SENSOR

DRAIN BOILER DHW CIR

Next: !p71, !f72

VOLTAGE FAN HALL SENSOR

{GAINPCBACS}

Next: !p256, f262

INSPECTION CONDENSATE

Next: p76, !f75

PRESSURE GAS INLET AND DROP

ATTACH U-GAUGE TO GAS INLET PRESSURE TEST POINT

Next: p77, ?78, ?80

OBSERVATION SPARKING AT GENERATOR

REMOVE IGNITION LEAD

Next: p95, f90

VOLTAGE GAS VALVE

{GAINPCBACS}

Next: p85, f82

INSPECTION FLUE

Next: p87, !f86

DIODE TEST GAS VALVE HARNESS

REMOVE THE CONNECTOR

Next: p516, !f89

PRESSURE FAN

ATTACH U-GAUGE TO OUT TEST POINT ON THE GAS VALVE

Next: p411, f96

INSPECTION ELECTRODE

REMOVE IGNITION / RE

Next: !p99, !f98

System Information

  • Total Tests: 359
  • Sequence Logic: Decoded from encrypted .seq file
  • Navigation: Dynamic based on pass/fail results
  • Source: 4731307 GW SWIFTFLOW 100 SIT Control