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:

4753249 ALPHA INTEC 34C

WARNING - IMPORTA

Next: &1776, *

NO FAULT FOUND

Next: nff

ALPHA INTEC 34C

Next: &4, !f3

TYPE OF DIAGNOSTIC PROCEDURE

PLEASE SELECT FROM O

Next: &973, !f5

POWER UP

Next: &165, ?1756, ?1758

DHW FLOW RATE

Next: &245, f156

PUMP RUNS FOR PURGE MODE

Next: &737, ?228, ?230

DHW FAN RUNS

Next: &460, f1657

DHW BURNER IGNITE AND ESTABLISH

Next: &675, ?461, ?472, ?501, ?518

DHW OPERATION

DHW TEMP SELECTOR TO MAX

Next: &621, ?536, ?542, ?591, ?600, ?898

CH OPERATION

SUMMER/WINTER SELECTOR TO WINTER
CH TEMPERATURE SELECTOR TO MAX

Next: &883, ?622, ?637, ?639

BOILER REACTS TO CH DEMAND

SUMMER/WINTER SWITCH TO WINTER

Next: &535, f1386

APPLIANCE GOES INTO STANDBY

ENSURE THERE IS NO D

Next: &152, ?740, ?1429, ?1715

CH MODULATION

CH SELECTOR TO MAX

Next: &1450, f884

PUMP OVERRUN

Next: &1475, !f893

FAULT CODES

Next: &105, !f974

OVERHEAT BOILER LOCKOUT E02 FAULT CODE PAGE NOT USED

INTENTIONALLY BLANK

Next: &nff, f1005

E03 E25 E47 FAULT CODE PAGE NOT USED

INTENTIONALLY BLANK HEADER FOR FAULT CODES

Next: &nff, f1181

E05 FAULT CODE PAGE NOT USED

INTENTIONALLY BLANK HEADER FOR FAULT CODES

Next: &nff, f1213

E06 FAULT CODE PAGE NOT USED

INTENTIONALLY BLANK HEADER FOR FAULT CODES

Next: &nff, f1239

E04 FAULT CODE PAGE NOT USED

INTENTIONALLY BLANK HEADER FOR FAULT CODES

Next: &nff, f1258

E16 FAULT CODE PAGE NOT USED

INTENTIONALLY BLANK HEADER FOR FAULT CODES

Next: &nff, f1272

E20 FAULT CODE PAGE NOT USED

INTENTIONALLY BLANK HEADER FOR FAULT CODES

Next: &nff, f1287

E27 FAULT CODE PAGE NOT USED

INTENTIONALLY BLANK HEADER FOR FAULT CODES

Next: &nff, f1297

E38 E43 FAULT CODE PAGE NOT USED

INTENTIONALLY BLANK HEADER FOR FAULT CODES

Next: &nff, f1333

E44 FAULT CODE PAGE NOT USED

INTENTIONALLY BLANK HEADER FOR FAULT CODES

Next: &nff, f1346

FAULT CODES 2 PAGE NOT USED

Next: &nff, !f1369

FURTHER INVESTIGATION FUSE PAGE NOT USED

INTENTIONALLY BLANK HEADER FOR INVESTIGATION

Next: &nff, f1371

GAS VALVE ADJUSTMENT

REMOVE THE CAP COVERING THE MINIMUM CO2 ADJUSTMENT SCREW
REMOVE THE FLUE SAMPLE POINT CAP

Next: &nff, !f1410

EXCESSIVE SYSTEM PRESSURE RISE

CH SELECTOR IN MAX POSITION
SUMMER/WINTER SELECTOR TO WINTER

Next: &890, !f1451

FAN OVERRUN

CH TEMPERATURE SELECTOR TO MAX

Next: &nff, !f1476

E29 FAULT CODE

NOT USED

Next: &nff, f1725

INFORMATION ALPHA SOLAR SMART

SOME INSTALLATIONS M

Next: &1, !f1777

E08 FAULT CODE

INTENTIONALLY BLANK - HEADER FOR FAULT CODE

Next: &nff, f1789

E12 FAULT CODE

INTENTIONALLY BLANK - HEADER FOR FAULT CODE

Next: &nff, f1793

E15 FAULT CODE

INTENTIONALLY BLANK - HEADER FOR FAULT CODE

Next: &nff, f1820

E24 FAULT CODE

INTENTIONALLY BLANK - HEADER FOR FAULT CODE

Next: &nff, f1817

E37 FAULT CODE

INTENTIONALLY BLANK - HEADER FOR FAULT CODE

Next: &nff, f1798

E31 FAULT CODE

Next: &nff, f1834

E46 FAULT CODE

INTENTIONALLY BLANK - HEADER FOR FAULT CODE

Next: &nff, f1830

E51 FAULT CODE

INTENTIONALLY BLANK - HEADER FOR FAULT CODE

Next: &nff, !f1842

CH OP NOISY

CARTRIDGE DIVERTER VALVE

Next: End

CH NOISY

BYPASS CARTRIDGE

Next: End

CH NOISY

SENSOR PRIMARY

Next: End

OVERHEAT NO RESET

OVERHEAT STAT

Next: End

OVERHEAT NO RESET

HARNESS MAIN

Next: End

OVERHEAT DOES RESET

PCB

Next: End

OVERHEAT DOES RESET

CABLE ASSEMBLY

Next: End

OVERHEAT LIMPET TEST

PUMP

Next: End

E02 FAULT CODE

HEAT EXCHANGER PRIMARY

Next: End

OVERHEAT E02 BEFORE 55

OVERHEAT STAT

Next: End

OVERHEAT E02

OVERHEAT STAT

Next: End

OVERHEAT E02

SENSOR PRIMARY

Next: End

E03 FAULT CODE

SENSOR FLUE TEMP

Next: End

E05 FAULT CODE

SENSOR PRIMARY

Next: End

LIMPET TEST FLUE SENSOR FAULT CODES

PUMP

Next: End

FLUE SENSOR FAULT CODES

PCB

Next: End

FLUE SENSOR FAULT CODES

CABLE ASSEMBLY

Next: End

E06 FAULT CODE

SENSOR DHW

Next: End

E03 E25 E47 FAULT CODES

FLUE

Next: End

E03 E25 E47 FAULT CODES

REPRESSURISE AND VENT

Next: End

E03 E25 E47 FAULT CODES

ISOLATION VALVE

Next: End

AIR FLOW E03 E25 E47 FAULT CODES

HEAT EXCHANGER

Next: End

E04 FAULT CODE

HARNESS MAIN

Next: End

PUMP RUNS FOR 5 SECS

PRIMARY FLOW SWITCH

Next: End

PUMP RUNS FOR PURGE MODE

REPRESSURISE AND VENT

Next: End

E16 FAULT CODE NO DEMAND TO FAN

PCB

Next: End

E16 FAULT CODE FAN HS

HARNESS MAIN

Next: End

E16 FAULT CODE FAN DC CONTROL

HARNESS MAIN

Next: End

E02 FAULT CODE PUMP OVERRUN

PCB

Next: End

E03 E25 E47 FAN OVERRUN

PCB

Next: End

E27 FAULT CODE LIMPET FAIL

PUMP

Next: End

E27 FAULT CODE NO POWER TO PUMP

PCB

Next: End

E27 FAULT CODE

CABLE ASSEMBLY

Next: End

E27 FAULT CODE

ISOLATION VALVE

Next: End

E38 E43

PRESSURE GAS INLET

Next: End

E44 FAULT CODE

DHW FLOW SWITCH

Next: End

BAFFLES OUT

FLUE

Next: End

E 38 E43

FLAME SENSE ELECTRODE

Next: End

E38

HEAT EXCHANGER

Next: End

E38

CABLE ASSEMBLY

Next: End

E38

FLUE

Next: End

FAULT CODES 2

Z DIRECTION CHOICE OR CONTINUE

Next: End

FURTHER INVESTIGATION FUSE

PUMP

Next: End

FURTHER INVSTIGATION FUSE

MOTOR DIVERTER VALVE

Next: End

FURTHER INVESTIGATION FUSE

SPARK GENERATOR

Next: End

DOES NOT REACT TO CH DEMAND NO SEND

PCB

Next: End

BOILER REACTS TO CH DEMAND INTEGRAL TIMER FITTED

PCB

Next: End

BOILER REACTS TO CH DEMAND

TIMER INTEGRAL

Next: End

BOILER REACTS TO CH DEMAND

SWITCH LINK

Next: End

GAS VALVE ADJUSTMENT

Z DIRECTION CHOICE OR CONTINUE

Next: End

BAFFLES OUT OR PULSES

PRESSURE GAS INLET

Next: End

EXPANSION VESSEL

EXPANSION VESSEL

Next: End

E27 FAULT CODE

REPRESSURISE AND VENT

Next: End

BAFFLES OUT OR PULSES

CONDENSATE TRAP

Next: End

FAN OVER RUN

PCB

Next: End

SPARKS BUT DOES NOT IGNITE

BURNER

Next: End

BOILER REACTS TO CH DEMANDDHW NOISY KETTLING

SWITCH LINK

Next: End

DOES NOT REACT TO CH DEMAND NO SENDDHW NOISY KETTLING

PCB

Next: End

BOILER REACTS TO CH DEMAND INTEGRAL TIMER FITTEDDHW NOISY KETTLING

PCB

Next: End

BOILER REACTS TO CH DEMANDDHW NOISY KETTLING

TIMER INTEGRAL

Next: End

BAFFLES OUT PULSES

VENTURI

Next: End

DHW NOISY

PUMP

Next: End

DHW NOISY

HEAT EXCHANGER

Next: End

POOR FLOW RATE

SERVICE VALVE INLET (WATER INLET)

Next: End

NO STANDBY FAULT CODE

Z DIRECTION CHOICE OR CONTINUE

Next: End

IGNITES BUT DOES NOT ESTABLISH

PRESSURE GAS INLET

Next: End

IGNITES BUT DOES NOT ESTABLISH

CONDENSATE TRAP

Next: End

IGNITES BUT DOES NOT ESTABLISH

CABLE ASSEMBLY

Next: End

IGNITES BUT DOES NOT ESTABLISH

FLAME SENSE ELECTRODE

Next: End

IGNITES BUT DOES NOT ESTABLISH NO DECREASE

FLAME SENSE ELECTRODE

Next: End

IGNITES BUT DOES NOT ESTABLISH

FLAME SENSE GAP

Next: End

DHW COOL RADS COLD

PRESSURE GAS INLET

Next: End

DHW COOL RADS COLD

PUMP

Next: End

DHW COOL RADS COLD

SENSOR DHW

Next: End

DHW COOL RADS COLD

SENSOR PRIMARY

Next: End

DHW COOL RADS COOL

SENSOR FLUE TEMP

Next: End

DHW COOL RADS COLD

CONDENSATE TRAP

Next: End

DHW COOL RADS COLD DIFF BP

AIR INTAKE

Next: End

DHW COOL RADS COLD DIFF PRESSURE FAIL

VENTURI

Next: End

DHW COOL RADS COLD DIFF BP FAIL

HEAT EXCHANGER

Next: End

DHW COOL RADS COOL DIFF BP FAIL

BURNER

Next: End

DHW COOL RADS COLD DIFF BP FAIL

FLUE

Next: End

DHW COOL RADS COLD

HEAT EXCHANGER DHW

Next: End

FAN DOES NOT RUN

OVERHEAT STAT

Next: End

OVERHEAT AND THERMAL FUSE FAN DOES NOT RUN

HARNESS MAIN

Next: End

FAN DOES NOT RUN

SENSOR FLUE TEMP

Next: End

DHW FAN DOES NOT RUN

SENSOR PRIMARY

Next: End

FAN DOES NOT RUN

SENSOR DHW

Next: End

FAN FAN DOES NOT RUN

HARNESS MAIN

Next: End

FAN DOES NOT RUN

DHW FLOW SWITCH

Next: End

E04 FAULT CODE

GAS VALVE

Next: End

FIRES WITH NO DEMAND

DHW FLOW SWITCH

Next: End

FIRES NO DEMAND

Next: End

FROST PROTECTION

SENSOR PRIMARY

Next: End

E29

SENSOR FLUE TEMP

Next: End

BLOWN STAND BY MODE AT POWER UP

MAIN FUSE FUSED SPUR F1

Next: End

NO POWER UP

FUSE F1

Next: End

FAN FAN RUNS CONTINUOUSLY NO DISPLAY

HARNESS MAIN

Next: End

FAN RUNS CONTINUOUSLY

FAN

Next: End

BLANK FOR SOLAR SMART INFORMATION

Z DIRECTION CHOICE OR CONTINUE

Next: End

E20 FAULT CODE PASSING

GAS VALVE

Next: End

E20 FAULT CODE

FLAME SENSE ELECTRODE

Next: End

E08

PCB

Next: End

E37

Next: End

E24

FRAME - BUTTONS - CONTROL PANEL

Next: End

E12 - NO SENSOR

PCB

Next: End

E12

DHW INLET SENSOR

Next: End

E15

HARNESS X14 FAULT CODE

Next: End

E31 51 NO CONTROLS

PCB

Next: End

E31 E51

EBUS CONTROLS

Next: End

E51

BATTERIES - CLIMATIC TRANSMITTER

Next: End

PUMP RUNS PURGE MODE

PCB

Next: End

PUMP PUMP RUNS PURGE MODE

CABLE ASSEMBLY

Next: End

CASE REMOVAL

DIRECTION CHOICE OR CONTINUE NOT USED

Next: End

FAN RUNS SPARK DOES NOT OCCUR

PCB

Next: End

SPARKING DOES NOT OCCUR

SPARK GAP

Next: End

FOR TYPE DIAG PROCEDURE

DIRECTION CHOICE OR CONTINUE NOT USED

Next: End

FAN RUNS IGNITES BUT BAFFLES

AIR INTAKE

Next: End

BAFFLES OUT

PRESSURE PIPE POSITIVE

Next: End

BAFFLES OUT

PRESSURE POINT POSITIVE

Next: End

DHW COOL RADS HOT

PCB

Next: End

CH UP TO TEMP CH COOL DIV VOLTAGE

PCB

Next: End

CHB UP TO TEMP CH COOL

PUMP

Next: End

CHB UP TO TEMP CH COOL

BYPASS CARTRIDGE

Next: End

CHB UP TO TEMP CH COOL

CARTRIDGE DIVERTER VALVE

Next: End

CHB AND CH COOL

SENSOR PRIMARY

Next: End

FAN RUNS SLOW CONSTANT

SENSOR PRIMARY

Next: End

FAN RUNS SLOW CONTINUOUSLY

SENSOR FLUE TEMP

Next: End

CH MODULATION

SENSOR PRIMARY

Next: End

PUMP OVERRUN

PCB

Next: End

DIVERTER MOTOR DHW COOL RADS HOT

CABLE ASSEMBLY

Next: End

DIVERTER VALVE BOILER TO TEMP RADS COOL

CABLE ASSEMBLY

Next: End

DHW RUNS HOT AND COLD

SENSOR DHW

Next: End

DHW RUNS HOT AND COLD

SENSOR PRIMARY

Next: End

DHW RUNS HOT AND COLD

PUMP

Next: End

DHW RUNS HOT AND COLD

HEAT EXCHANGER

Next: End

SPARK OCCURS DOES NOT IGNITE

PRESSURE PIPE POSITIVE

Next: End

SPARKS DOES NOT IGNITE

PRESSURE POINT POSITIVE

Next: End

SPARKS BUT DOES NOT IGNITE

AIR INTAKE

Next: End

SPARK BUT DOES NOT IGNITE

HEAT EXCHANGER

Next: End

SPARK BUT DOES NOT IGNITE

FLUE

Next: End

SPARK OCCURS BURNER DOES NOT IGNITE

PCB

Next: End

GAS VALVE SPARK BUT BURNER DOES NOT IGNITE

HARNESS MAIN

Next: End

SPARKS BURNER DOES NOT IGNITE

CONDENSATE TRAP

Next: End

BAFFLES OUT

HEAT EXCHANGER

Next: End

BAFFLES OUT

CAP PRESSURE POINTS

Next: End

FAULT CODES

Z DIRECTION CHOICE OR CONTINUE

Next: End

DHW MODULATION

SENSOR DHW

Next: End

CH OP NOISY DIVERTER VOLTAGE

PCB

Next: End

DIVERTER VALVE CH OP NOISY

CABLE ASSEMBLY

Next: End

CH NOISY

Next: End

OVERHEAT NO RESET

PCB

Next: End

OVERHEAT NO RESET

THERMAL FUSE

Next: End

OVERHEAT DOES RESET

PUMP

Next: End

OVERHEAT E02

HEAT EXCHANGER DHW

Next: End

OVERHEAT E02 BEFORE 55

PCB

Next: End

OVERHEAT E02 BURNER STAYS ON

PCB

Next: End

E03 FAULT CODE DOESNT RESET

PCB

Next: End

E05 FAULT CODE

PCB

Next: End

PRIMARY SENSOR E05 CODE

HARNESS MAIN

Next: End

FLUE SENSOR FAULT CODES

PUMP

Next: End

E06 FAULT CODE

PCB

Next: End

E06 FAULT CODE

HARNESS MAIN

Next: End

E03 E25 E47 FAULT CODES

SENSOR FLUE TEMP

Next: End

E02 E25 E47 FAULT CODES

HEAT EXCHANGER DHW

Next: End

E03 E25 E47 FAULT CODES

HEAT EXCHANGER PRIMARY

Next: End

E04 FAULT CODE

PCB

Next: End

PRESSURE SWITCH 5 SECS ONLY

PCB

Next: End

PRIMARY FLOW SWITCH PUMP RUNS FOR 5 SECS

HARNESS MAIN

Next: End

E16 FAULT CODE FAN DOES NOT RUN VOLTS PRESENT

FAN

Next: End

E16 FAULT HS VOLTS PRESENT

PCB

Next: End

E16 CODE HS VOLTS ABSENT

FAN

Next: End

OVERHEAT E02

NORMAL OPERATION

Next: End

E27 FAULT CODE

PUMP

Next: End

E27 FAULT CODE

SENSOR PRIMARY

Next: End

E27 FAULT CODE

HEAT EXCHANGER DHW

Next: End

E27 FAULT CODE

HEAT EXCHANGER PRIMARY

Next: End

E44

Next: End

E44 FAULT CODE

HARNESS MAIN

Next: End

DHW BURNER IGNITES BUT BAFFLES OUT

GAS VALVE ADJUSTMENT

Next: End

E38

GAS VALVE ADJUSTMENT

Next: End

FURTHER INVESTIGATION FUSE

CABLE ASSEMBLY

Next: End

FURTHER INVESTIGATION FUSE DIVERTER FUNCTION

CABLE ASSEMBLY

Next: End

FURTHER INVESTIGATION FUSE SPARK GEN FUNCTION

CABLE ASSEMBLY

Next: End

DOES NOT REACT TO CH DEMAND

PCB

Next: End

DOES NOT REACT TO CH DEMAND

Next: End

BOILER REACTS TO CH DEMAND INTEGRAL TIMER FITTED

Next: End

BOILER REACTS TO CH DEMAND INTEGRAL TIMER VOLTAGE RETURNED

PCB

Next: End

FURTHER INVESTIGATION FUSE

PCB

Next: End

DOES NOT REACT TO CH DEMANDDHW NOISY KETTLING

PCB

Next: End

DOES NOT REACT TO CH DEMANDDHW NOISY KETTLING

Next: End

BOILER REACTS TO CH DEMAND INTEGRAL TIMER FITTEDDHW NOISY KETTLING

Next: End

BOILER REACTS TO CH DEMAND INTEGRAL TIMER VOLTAGE RETURNEDDHW NOISY KETTLING

PCB

Next: End

DHW NOISY

HEAT EXCHANGER DHW

Next: End

FAULT CODES 1

Z DIRECTION CHOICE OR CONTINUE

Next: End

POOR FLOW RATE

HEAT EXCHANGER DHW

Next: End

IGNITES BUT DOES NOT ESTABLISH

PCB

Next: End

IGNITES BUT DOES NOT ESTABLISH DECREASES

PCB

Next: End

IGNITES BUT DOES NOT ESTABLISH

BURNER

Next: End

DHW FLOW RATE

DHW FLOW SWITCH

Next: End

DHW COOL RADS COLD LOW FAN VOLTAGE

PCB

Next: End

DHW COOL RADS COLD FAN SLOW

FAN

Next: End

POOR FLOW RATE

DHW INLET FILTER

Next: End

DHW COOL RADS COLD DIFF OK

GAS VALVE ADJUSTMENT

Next: End

FAN DOES NOT RUN

THERMAL FUSE

Next: End

FLUE TEMP SENSOR FAN DOES NOT RUN

HARNESS MAIN

Next: End

SENSOR PRIMARY FAN DOES NOT RUN

HARNESS MAIN

Next: End

FAN DOES NOT RUN

PCB

Next: End

FAN DOES NOT RUN

FAN

Next: End

DHW FLOW SWITCH FAN DOES NOT RUN

HARNESS MAIN

Next: End

SPARK OCCURS DOES NOT IGNITE BLIP OCCURS

GAS VALVE

Next: End

SPARK OCCURS BURNER DOES NOT IGNITE

GAS VALVE

Next: End

FROST PROTECTION

PCB

Next: End

E29

PCB

Next: End

E29

HARNESS MAIN

Next: End

SUPPLY FAULT AT POWER UP

Next: End

FURTHER INVESTIGATION F1

Z DIRECTION CHOICE OR CONTINUE

Next: End

NO DISPLAY POWER UP

PCB

Next: End

FURTHER INVESTIGATION F315AF

Z DIRECTION CHOICE OR CONTINUE

Next: End

FAN RUNS CONTINUOUSLY

PCB

Next: End

TRIPPING EARLY

THERMAL FUSE

Next: End

E20 FAULT CODE

PCB

Next: End

E08

Z DIRECTION CHOICE OR CONTINUE

Next: End

E37

PCB

Next: End

E24

PCB

Next: End

E15

PCB

Next: End

E12

PCB

Next: End

E31 E51

PCB

Next: End

E46

PCB

Next: End

E46

EXTERNAL SENSOR (E46)

Next: End

E36

HARNESS MAIN

Next: End

PUMP RUNS PURGE MODE

PUMP

Next: End

FAN RUNS SPARKING DOES NOT OCCUR

SPARK GENERATOR

Next: End

SPARK GEN FAN RUNS SPARKING DOES NOT OCCUR

CABLE ASSEMBLY

Next: End

SPARKING DOES NOT OCCUR

ELECTRODE IGNITION AND LEAD

Next: End

CARTRIDGE DIVERTER VALVE

CARTRIDGE DIVERTER VALVE

Next: End

DHW COOL RADS HOT

MOTOR DIVERTER VALVE

Next: End

CHB UP TO TEMP CH COOL

MOTOR DIVERTER VALVE

Next: End

CHB UP TO TEMP CH COOL

Next: End

CHB AND CH COOL

PCB

Next: End

FAN RUNS SLOW CONSTANT

PCB

Next: End

CH MODULATION

PCB

Next: End

DHW RUNS HOT AND COLD

HEAT EXCHANGER DHW

Next: End

DHW SENSOR DHW RUNS HOT AND COLD

HARNESS MAIN

Next: End

SPARKING BUT DOES NOT IGNITE

PRESSURE GAS INLET

Next: End

BURNER DOES NOT IGNITE

FAN

Next: End

DHW MODULATION

PCB

Next: End

CH OP NOISY

MOTOR DIVERTER VALVE

Next: End

DIFFERENTIAL INCORRECT

CHARACTERISTIC TEST FROM TEMPERATURE DIFFERENTIAL DHW

Next: p1157

OVERHEAT OCCURS BEFORE 55 DEGREES

CHARACTERISTIC TEST FROM TEMPERATURE DIFFERENTIAL DHW

Next: p1164

BOILER OVERHEATS BEFORE MAX TEMPERATURE REACHED

CHARACTERISTIC TEST FROM RUN TO MAX TEMPERATURE

Next: p1170

MAX TEMP REACHED BURNER STAYS ON

CHARACTERISTIC TEST FROM RUN TO MAX TEMPERATURE

Next: p1177

ERROR CODE DISPLAYED

CHARACTERISTIC TEST FROM BOILER GOES INTO STANDBY

Next: p1583

FLOW SWITCH ASSEMBLY/FLOAT RESTRICTED

CHARACTERISTIC TEST FROM INSPECTION FLOW SWITCH ASSEMBLY

Next: !p161

DHW INLET FILTER RESTRICTED OR DAMAGED

CHARACTERISTIC TEST FROM INSPECTION FLOW SWITCH ASSEMBLY

Next: !p163

FIRES WITH NO DEMAND

CHARACTERISTIC TEST FROM BOILER GOES INTO STANDBY

Next: p1717

DISPLAY IS BLANK BOILER NON OPERATIONAL

CHARACTERISTIC TEST FROM POWER UP (CONTROL PCB ONLY)

Next: p1760

DISPLAY IS BLANK FAN RUNS CONTINUOUSLY AT FULL SPEED

CHARACTERISTIC TEST FROM POWER UP (CONTROL PCB ONLY)

Next: p1771

RESISTANCE NOT AS EXPECTED - EXTERNAL SENSOR FITTED

CHARACTERISTIC TEST FROM RESISTANCE EXTERNAL SENSOR (E46)

Next: !p1854

LINK MISSING OR RESISTANCE NOT AS EXPECTED

CHARACTERISTIC TEST FROM RESISTANCE EXTERNAL SENSOR (E46)

Next: !p1856

PUMP DOES NOT RUN

CHARACTERISTIC TEST FROM PUMP RUNS FOR PURGE MODE

Next: p229

PUMP RUNS FOR 5 SECONDS THEN STOPS CONTDOWN CONTINUES

CHARACTERISTIC TEST FROM PUMP RUNS FOR PURGE MODE

Next: p1264

FAN RUNS SPARKING DOES NOT OCCUR

CHARACTERISTIC TEST FROM DHW BURNER IGNITE AND ESTABLISH

Next: p463

FAN RUNS SPARKING OCCURS BOILER DOES NOT IGNITE

CHARACTERISTIC TEST FROM DHW BURNER IGNITE AND ESTABLISH

Next: p940

DHW BURNER IGNITES BUT DOES NOT ESTABLISH

CHARACTERISTIC TEST FROM DHW BURNER IGNITE AND ESTABLISH

Next: p1586

DHW BURNER IGNITES BUT BAFFLES OUT OR PULSES

CHARACTERISTIC TEST FROM DHW BURNER IGNITE AND ESTABLISH

Next: p1433

DHW TOO HOT

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p922

DHW COOL RADS COLD

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p1603

DHW COOL RADIATORS HOT WITH NO CH DEMAND

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p592

DHW NOISY KETTLING

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p1511

BOILER TO TEMPERATURE RAD TEMP UNSATISFACTORY

CHARACTERISTIC TEST FROM CH OPERATION

Next: p651

CH OPERATION NOISY

CHARACTERISTIC TEST FROM CH OPERATION

Next: p991

CHB AND SYSTEM NOT REACHING TEMP

CHARACTERISTIC TEST FROM CH OPERATION

Next: p640

FAN RUNS SLOW CONTINUOUSLY

CHARACTERISTIC TEST FROM BOILER GOES INTO STANDBY

Next: p741

DHW RUNS HOT AND COLD

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p899

PRESSURE DOESNT MOVE

CHARACTERISTIC TEST FROM PRESSURE GAS INLET BLIP

Next: p943

NO PRESSURE PRESENT OR PRESSURE DROPS AWAY

CHARACTERISTIC TEST FROM PRESSURE GAS INLET BLIP

Next: !p945

13/01/2020 13:07:40 1912_3_50_1 06/02/2020 11:52:35

23/01/2020 14:44:27

Next: End

BOILER RESET

Next: p1006, f1007

RESISTANCE OVERHEAT AND THERMAL FUSE

REMOVE CONNECTOR X18 FROM THE PCB

Next: !p1008, f1009

RESISTANCE OVERHEAT STAT

DISCONNECT 1 OR BOTH WIRES FROM THE THERMOSTAT

Next: p1010, !f1011

VOLTAGE TO PUMP PCB

{GAINPCBACS}

Next: p1036, !f1037

BOILER RESET

Next: p1182, f1183

RESISTANCE FLUE TEMP SENSOR AND HARNESS

{GAINPCBACS}
REMOVE CONNECTOR X18 FROM THE PCB

Next: !p1188, !f1193

RESISTANCE PRIMARY SENSOR AND HARNESS

REMOVE CONNECTOR X14 FROM PCB

Next: !p1214, f1215

RESISTANCE PRIMARY SENSOR

REMOVE THE CONNECTOR FROM THE PRIMARY SENSOR

Next: !p1216, !f1217

VOLTAGE TO PUMP PCB

{GAINPCBACS}

Next: p1228, !f1229

RESISTANCE DHW SENSOR AND HARNESS

{GAINPCBACS}
REMOVE CONNECTOR X4 FROM PCB

Next: !p1240, f1241

RESISTANCE DHW SENSOR

REMOVE ONE OF THE CONNECTIONS FROM THE SENSOR

Next: !p1242, !f1243

TEMPERATURE DIFFERENTIAL PRIMARY HEAT EXCHANGER

CONNECT TEMPERATURE

Next: !p1251, f1252

ARE ISOLATION VALVES FULLY OPEN?

Next: !p1253, !f1254

RESISTANCE GAS VALVE HARNESS

REMOVE THE CONNECTOR FROM THE GAS VALVE

Next: p1259, !f1260

RESISTANCE PRESSURE SWITCH

REMOVE ONE OF THE WIRES FROM THE SYSTEM PRESSURE SWITCH

Next: !p1268, !f1269

DOES THE FAN RUN?

Next: p1273, f1274

VOLTAGE FAN PCB

{GAINPCBACS}

Next: p1277, !f1278

RESISTANCE FAN HARNESS

{GAINPCBACS}
REMOVE THE CONNECTOR FROM THE FAN

Next: !p1283, !f1290

RESISTANCE FLAME SENSE ELECTRODE AND LEAD

REMOVE THE DETECTION ELECTRODE FROM THE BURNER DOOR AND DISCONNECT AT THE IN-LINE CONNECTOR

Next: p1784, !f1787

DOES THE PUMP RUN

Next: p1454, f1312

VOLTAGE TO PUMP PCB

{GAINPCBACS}

Next: p1315, !f1316

TEMPERATURE DIFFERENTIAL PRIMARY HEAT EXCHANGER

CONNECT TEMPERATURE

Next: !p1321, f1322

ARE ISOLATION VALVES FULLY OPEN?

Next: !p1323, !f1324

PRESSURE GAS INLET

ATTACH PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: p1339, !f1344

RESISTANCE DHW FLOW SWITCH AND HARNESS E44

{GAINPCBACS}
REMOVE CONNECTOR X4 FROM THE PCB
SET FLOW RATE AT THE TAP TO 2 L/MIN

Next: !p1347, f1348

RESISTANCE FLOW SWITCH E44

REMOVE ONE OF THE WIRES FROM THE DHW FLOW SWITCH
SET FLOW RATE AT THE TAP TO 2 L/MIN

Next: !p1349, !f1350

RESISTANCE PUMP AND HARNESS

DISCONNECT CONNECTOR X16 FROM PCB.

Next: p1372, f1373

RESISTANCE PUMP

DISCONNECT ELECTRICAL CONNECTOR FROM PUMP

Next: !p1374, !f1375

RESISTANCE DIVERTER MOTOR

REMOVE DIVERTER VALVE FROM THE MANIFOLD

Next: !p1380, !f1381

RESISTANCE SPARK GENERATOR

DISCONNECT THE CONNECTOR FROM THE SPARK GENERATOR

Next: !p1384, !f1385

INTEGRAL TIMER FITTED

Next: p1387, f1393

INTEGRAL TIMER LINK FITTED?

Next: p1394, !f1406

VOLTAGE EXTERNAL CONTROLS SEND

SUMMER/WINTER SELECTOR TO WINTER

Next: !p1397, !f1398

VOLTAGE EXTERNAL CONTROLS SEND

SUMMER/WINTER SELECTOR TO WINTER

Next: !p1402, !f1403

INTEGRAL TIMER FITTED

Next: p1513, f1514

INTEGRAL TIMER LINK FITTED?

Next: p1515, !f1516

VOLTAGE EXTERNAL CONTROLS SEND

SUMMER/WINTER SELECTOR TO WINTER

Next: !p1519, !f1520

VOLTAGE EXTERNAL CONTROLS SEND

SUMMER/WINTER SELECTOR TO WINTER

Next: !p1523, !f1524

INSPECTION SERVICE VALVE

Next: p157, !f158

RESISTANCE HARNESS FLAME SENSE

{GAINPCBACS}
DISC

Next: p1593, !f1594

RESISTANCE FLAME SENSE ELECTRODE AND LEAD

REMOVE THE DETECTION ELECTRODE FROM THE BURNER DOOR AND DISCONNECT AT THE IN-LINE CONNECTOR

Next: p1599, !f1600

VOLTAGE FAN PCB PWM HIGH

{GAINPCBACS}
DHW SELECTOR TO MAX

Next: p1610, f1611

RESISTANCE DHW SENSOR

REMOVE ONE OF THE CONNECTIONS FROM THE SENSOR

Next: p1612, !f1613

RESISTANCE DHW FLOW SWITCH AND HARNESS

{GAINPCBACS}
REMOVE CONNECTOR X4 FROM THE PCB

Next: p1680, f1701

RESISTANCE OVERHEAT AND THERMAL FUSE

REMOVE CONNECTOR X18 FROM THE PCB

Next: p1683, f1684

RESISTANCE OVERHEAT STAT

DISCONNECT 1 OR BOTH WIRES FROM THE THERMOSTAT

Next: p1685, !f1686

RESISTANCE FLUE TEMP SENSOR

DISCONNECT THE CONNECTOR FROM THE FLUE SENSOR
AT THE TOP OF THE HEAT EXCHANGER

Next: !p1691, !f1692

RESISTANCE PRIMARY SENSOR

REMOVE THE CONNECTOR FROM THE PRIMARY SENSOR

Next: !p1695, !f1696

RESISTANCE FLOW SWITCH

REMOVE ONE OF THE WIRES FROM THE DHW FLOW SWITCH

Next: !p1702, !f1703

RESISTANCE FLUE TEMP SENSOR AND HARNESS

{GAINPCBACS}
REMOVE CONNECTOR X18 FROM THE PCB

Next: !p1726, f1727

RESISTANCE FLUE TEMP SENSOR

DISCONNECT THE CONNECTOR FROM THE FLUE SENSOR
AT THE TOP OF THE HEAT EXCHANGER

Next: !p1728, !f1729

RESISTANCE FUSE F1 (FUSED SPUR)

REMOVE FUSE FROM FUSED SPUR

Next: !p1763, f1764

FUSE FURTHER INVESTIGATION F1

Next: !p1765, !f1766

FUSE FURTHER INVESTIGATION F3 15 AF

Next: !p1769, !f1770

INFORMATION TOO MANY RESETS FAULT CODE

Next: !p1790, !f1791

OBSERVATION IS DHW INLET SENSOR FITTED

Next: p1826, !f1825

VOLTAGE MAINS POWER INPUT TO APPLIANCE (E37)

{GAINPCBACS}

Next: !p1800, !f1799

INSPECTION CONTROL PANEL BUTTONS

Next: !p1818, !f1819

INSPECTION PCB X14

{GAINPCBACS}

Next: !p1822, !f1833

RESISTANCE EXTERNAL SENSOR (E46)

{GAINPCBACS}
DISC

Next: !p1852, ?1853, ?1855

OBSERVATION ARE EBUS CONTROLS FITTED

Next: p1838, !f1837

VOLTAGE SPARK GEN

REMOVE THE RIGHT HAND SIDE PANEL TO IMPROVE ACCESS TO THE SPARK GENERATOR

Next: !p466, f467

VOLTAGE PCB SPARK GEN

{GAINPCBACS}

Next: !p468, !f469

VOLTAGE DIVERTER MOTOR PCB DHW POSITION

{GAINPCBACS}

Next: p596, !f597

VOLTAGE DIVERTER MOTOR PCB CH POSITION

{GAINPCBACS}

Next: p655, !f656

RESISTANCE PRIMARY SENSOR

REMOVE THE CONNECTOR FROM THE PRIMARY SENSOR

Next: !p885, !f889

RESISTANCE DHW SENSOR

REMOVE ONE OF THE CONNECTIONS FROM THE SENSOR

Next: !p918, !f903

INSPECTION POSITIVE PRESSURE PIPE

Next: p948, !f949

VOLTAGE DIVERTER MOTOR PCB CH POSITION

{GAINPCBACS}

Next: p995, !f996

DOES THE PUMP RUN

Next: p1014, f1035

RESISTANCE OVERHEAT AND THERMAL FUSE HARNESS

{GAINPCBACS}
DISC

Next: !p1012, !f1013

PUMP LIMPET TEST

Next: p1133, !f1123

RESISTANCE PUMP HARNESS

REMOVE CONNECTOR X16 FROM PCB
REMOVE THE HARNESS PLUG FROM THE PUMP

Next: !p1038, !f1039

TEMPERATURE DIFFERENTIAL DHW

CONNECT TEMPERATURE CLAMPS TO HEAT EXCHANGER FLOW AND RETURN PIPES.

Next: p1142, ?1155, ?1162

RUN TO MAX TEMPERATURE

CH TEMPERATURE SELECTOR TO MAX

Next: p1298, ?1169, ?1171

TEMPERATURE DIFFERENTIAL PRIMARY HEAT EXCHANGER

CONNECT TEMPERATURE

Next: !p1158, !f1159

RESISTANCE OVERHEAT STAT

DISCONNECT 1 OR BOTH WIRES FROM THE THERMOSTAT

Next: !p1165, !f1166

RESISTANCE OVERHEAT STAT

DISCONNECT 1 OR BOTH WIRES FROM THE THERMOSTAT

Next: !p1778, !f1174

RESISTANCE PRIMARY SENSOR

REMOVE THE CONNECTOR FROM THE PRIMARY SENSOR

Next: !p1178, !f1179

DOES THE PUMP RUN

Next: p1223, f1227

PUMP LIMPET TEST

Next: p1224, !f1225

TEMPERATURE DIFFERENTIAL DHW

CONNECT TEMPERATURE CLAMPS TO HEAT EXCHANGER FLOW AND RETURN PIPES.

Next: p1302, f1246

INSPECTION HEAT EXCHANGER CLEAR

REMOVE BURNER DOOR ASSEMBLY

Next: p1236, !f1255

RESISTANCE PUMP HARNESS

REMOVE CONNECTOR X16 FROM PCB
REMOVE THE HARNESS PLUG FROM THE PUMP

Next: !p1230, !f1231

INSPECTION FLUE

Next: p1247, !f1248

CONFIRM SYSTEM PRESSURE

Next: !p1249, !f1250

RESISTANCE GAS VALVE

REMOVE THE CONNECTOR FROM THE GAS VALVE

Next: !p1261, !f1706

CONFIRM SYSTEM PRESSURE

Next: p1265, !f1270

RESISTANCE PRESSURE SWITCH AND HARNESS

REMOVE CONNECTOR X18 FROM PCB

Next: !p1266, f1267

VOLTAGE PCB FAN HS

{GAINPCBACS}

Next: !p1281, f1282

RESISTANCE FAN HARNESS

{GAINPCBACS}
REMOVE THE CONNECTOR FROM THE FAN

Next: !p1279, !f1291

PUMP OVERRUN

Next: !p1300, !f1301

FAN OVERRUN

CH TEMPERATURE SELECTOR TO MAX

Next: p1226, !f1310

PUMP LIMPET TEST

Next: p1313, !f1314

TEMPERATURE DIFFERENTIAL DHW

CONNECT TEMPERATURE CLAMPS TO HEAT EXCHANGER FLOW AND RETURN PIPES.

Next: !p1319, f1320

RESISTANCE PUMP HARNESS

REMOVE CONNECTOR X16 FROM PCB
REMOVE THE HARNESS PLUG FROM THE PUMP

Next: !p1317, !f1318

INSPECTION FLAME SENSE ELECTRODE

REMOVE THE DETECTION ELECTRODE FROM THE BURNER DOOR AND DISCONNECT AT THE IN-LINE CONNECTOR

Next: p1359, !f1356

INSPECTION HEAT EXCHANGER CLEAR

REMOVE BURNER DOOR ASSEMBLY

Next: p1357, !f1358

INSPECTION FLUE

Next: !p1354, !f1355

INSPECTION FLUE

Next: !p1364, !f1365

RESISTANCE HARNESS FLAME SENSE

{GAINPCBACS}
DISC

Next: p1340, !f1363

RESISTANCE DIVERTER MOTOR AND HARNESS

DISCONNECT CONNECTOR X16 FROM THE PCB

Next: p1378, f1379

RESISTANCE SPARK GENERATOR AND HARNESS

DISCONNECT CONNECTOR X9 FROM THE PCB

Next: !p1465, f1383

VOLTAGE EXTERNAL CONTROLS RETURN

{GAINPCBACS}
SUMMER/WINTER SELECTOR TO WINTER

Next: p1400, f1401

VOLTAGE EXTERNAL CONTROLS RETURN

{GAINPCBACS}
SUMMER/WINTER SELECTOR TO WINTER

Next: !p1395, f1396

VOLTAGE X3 PCB

SUMMER/WINTER SWITCH TO WINTER

Next: !p1404, !f1405

PRESSURE GAS INLET

ATTACH PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: p520, !f1447

CONFIRM SYSTEM PRESSURE

Next: p1311, !f1464

INSPECTION CONDENSATE TRAP

Next: p1545, !f1474

INSPECTION BURNER

REMOVE THE BURNER, FAN AND AIR INTAKE ASSEMBLY

Next: !p1704, !f1479

BOILER REACTS TO CH DEMAND

SUMMER/WINTER SWITCH TO WINTER

Next: p1528, f1512

VOLTAGE EXTERNAL CONTROLS RETURN

{GAINPCBACS}
SUMMER/WINTER SELECTOR TO WINTER

Next: p1521, f1522

VOLTAGE EXTERNAL CONTROLS RETURN

{GAINPCBACS}
SUMMER/WINTER SELECTOR TO WINTER

Next: !p1517, f1518

VOLTAGE X3 PCB

SUMMER/WINTER SWITCH TO WINTER

Next: !p1525, !f1526

PUMP LIMPET TEST

Next: p1529, !f1558

CENTRAL HEATING OPERATION (DHW NOISY)

SUMMER WINTER SELECTOR TO WINTER

Next: !p1531, !f1559

INSPECTION VENTURI

REMOVE THE VENTURI FROM THE GAS MANIFOLD

Next: p965, !f1553

INSPECTION FLOW SWITCH ASSEMBLY

DHW SERVICE VALVE OFF
DHW CIRCUIT ISOLATED AND DRAINED

Next: !p159, ?160, ?162

FAULT CODES

Next: !p1584, !f1585

PRESSURE GAS INLET

ATTACH PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: p1587, !f1588

INSPECTION CONDENSATE TRAP

Next: p1589, !f1590

VOLTAGE FLAME SENSE ELECTRODE SUPPLY

DRAW BACK RUBBER SHROUD COVERING THE FLAME SENSE ELECTRODE AND LEAD

Next: p1591, f1592

VOLTAGE FLAME SENSE DECREASE

Next: !p1597, f1598

RESISTANCE FLAME SENSE ELECTRODE AND LEAD

REMOVE THE DETECTION ELECTRODE FROM THE BURNER DOOR AND DISCONNECT AT THE IN-LINE CONNECTOR

Next: !p1595, !f1596

INSPECTION FLAME SENSE GAP

REMOVE GAS MANIFOLD ASSEMBLY

Next: !p1601, !f1602

PRESSURE GAS INLET

ATTACH PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: p1604, !f1605

PUMP LIMPET TEST

Next: p1606, !f1607

DIFFERENTIAL BURNER PRESSURE

DHW TEMP SELECTOR TO

Next: p1608, f1609

TEMPERATURE DIFFERENTIAL DHW

CONNECT TEMPERATURE CLAMPS TO HEAT EXCHANGER FLOW AND RETURN PIPES.

Next: !p1630, !f1631

INSPECTION CONDENSATE TRAP

Next: p1618, !f1619

RESISTANCE PRIMARY SENSOR

REMOVE THE CONNECTOR FROM THE PRIMARY SENSOR

Next: p1614, !f1615

RESISTANCE FLUE TEMP SENSOR

DISCONNECT THE CONNECTOR FROM THE FLUE SENSOR
AT THE TOP OF THE HEAT EXCHANGER

Next: !p1616, !f1617

INSPECTION AIR INTAKE

Next: p1620, !f1621

INSPECTION VENTURI

REMOVE THE VENTURI FROM THE GAS MANIFOLD

Next: p1622, !f1623

INSPECTION HEAT EXCHANGER CLEAR

REMOVE BURNER DOOR ASSEMBLY

Next: p1624, !f1625

INSPECTION BURNER

REMOVE THE BURNER, FAN AND AIR INTAKE ASSEMBLY

Next: p1626, !f1627

INSPECTION FLUE

Next: !p1628, !f1629

VOLTAGE FAN PCB

{GAINPCBACS}

Next: p1681, f1682

RESISTANCE FAN HARNESS

{GAINPCBACS}
REMOVE THE CONNECTOR FROM THE FAN

Next: !p1699, !f1700

RESISTANCE FLUE TEMP SENSOR AND HARNESS

{GAINPCBACS}
REMOVE CONNECTOR X18 FROM THE PCB

Next: p1689, f1690

RESISTANCE OVERHEAT AND THERMAL FUSE HARNESS

{GAINPCBACS}
DISC

Next: !p1687, !f1688

RESISTANCE PRIMARY SENSOR AND HARNESS

REMOVE CONNECTOR X14 FROM PCB

Next: p1693, f1694

RESISTANCE DHW SENSOR

REMOVE ONE OF THE CONNECTIONS FROM THE SENSOR

Next: !p1697, !f1698

RESISTANCE FLOW SWITCH OPEN CIRCUIT

REMOVE ONE OF THE WIRES FROM THE DHW FLOW SWITCH
ENSURE THERE IS NO DEMAND FOR DHW

Next: p1718, !f1719

VOLTAGE EXTERNAL CONTROLS RETURN NO DEMAND

SUMMER/WINTER SELECTOR TO WINTER
ENSURE THERE IS NO DEMAND FROM HEATING CONTROLS

Next: p1720, !f1721

RESISTANCE PRIMARY SENSOR FROST PROTECTION

REMOVE THE CONNECTOR FROM THE PRIMARY SENSOR

Next: !p1722, !f1723

VOLTAGE MAINS POWER INPUT TO APPLIANCE

{GAINPCBACS}

Next: p1761, f1762

FUSE F1

REMOVE THE FUSE FROM ITS HOLDER AT POSITION F1 ON THE PCB

Next: !p1767, f1768

RESISTANCE FAN HARNESS

{GAINPCBACS}
REMOVE THE CONNECTOR FROM THE FAN

Next: p1772, !f1773

VOLTAGE FAN PCB STANDBY

DHW TAP OFF
SUMMER/WINTER SELECTOR TO SUMMER

Next: !p1774, !f1775

TIGHTNESS TEST GAS VALVE

Next: !p1785, !f1786

RESISTANCE DHW INLET SENSOR AND HARNESS

REMOVE CONNECTOR X14 FROM PCB

Next: !p1827, !f1828

OBSERVATION DISCONNECT EBUS CONTROLS

DISCONNECT EBUS CONTROLS FROM TERMINALS 12 AND 13 AND MAKE SAFE

Next: !p1839, !f1840

VOLTAGE TO PUMP PCB

{GAINPCBACS}

Next: p232, !f233

RESISTANCE PUMP HARNESS

REMOVE CONNECTOR X16 FROM PCB
REMOVE THE HARNESS PLUG FROM THE PUMP

Next: !p234, !f235

SPARK PRESENT AT GENERATOR

DISCONNECT SPARK ELECTRODE LEAD FROM THE IGNITER UNIT

Next: p464, f465

INSPECTION SPARK GAP

REMOVE THE IGNITION ELECTRODE FROM THE BURNER DOOR

Next: !p470, !f471

INSPECTION AIR INTAKE

Next: p521, !f522

INSPECTION POSITIVE PRESSURE PIPE

Next: p523, !f524

INSPECTION POSITIVE PRESSURE POINT

UNSCREW POSITIVE PRESSURE POINT FROM THE GAS MANIFOLD

Next: p1466, !f526

DIVERTER MOTOR OPERATION DHW

REMOVE THE RETAINING

Next: !p593, f595

RESISTANCE DIVERTER HARNESS

REMOVE THE HARNESS CONNECTION FROM THE DIVERTER MOTOR

Next: !p598, !f895

RESISTANCE PRIMARY SENSOR

REMOVE THE CONNECTOR FROM THE PRIMARY SENSOR

Next: !p664, !f670

INSPECTION DIVERTER SPINDLE

REMOVE THE RETAINING CLIP WHICH
HOLDS THE DIVERTER MOTOR IN PLACE

Next: p652, !f663

DIVERTER MOTOR OPERATION CH

REMOVE THE RETAINING

Next: p653, f654

PUMP LIMPET TEST

Next: p659, !f660

RESISTANCE DIVERTER HARNESS

REMOVE THE HARNESS CONNECTION FROM THE DIVERTER MOTOR

Next: !p657, !f896

INSPECTION INTEGRAL BYPASS

Next: !p661, !f662

RESISTANCE PRIMARY SENSOR

REMOVE THE CONNECTOR FROM THE PRIMARY SENSOR

Next: p742, !f743

RESISTANCE FLUE TEMP SENSOR

DISCONNECT THE CONNECTOR FROM THE FLUE SENSOR
AT THE TOP OF THE HEAT EXCHANGER

Next: !p744, !f745

RESISTANCE DHW SENSOR AND HARNESS

{GAINPCBACS}
REMOVE CONNECTOR X4 FROM PCB

Next: p900, f901

RESISTANCE PRIMARY SENSOR

REMOVE THE CONNECTOR FROM THE PRIMARY SENSOR

Next: p904, !f905

PUMP LIMPET TEST

Next: p906, !f907

TEMPERATURE DIFFERENTIAL PRIMARY HEAT EXCHANGER

CONNECT TEMPERATURE

Next: !p908, !f909

RESISTANCE DHW SENSOR

REMOVE ONE OF THE CONNECTIONS FROM THE SENSOR

Next: !p978, !f979

PRESSURE GAS INLET BLIP

ATTACH A U-GAUGE TO THE INLET PRESSURE TEST POINT

Next: p941, ?942, ?944

INSPECTION CONDENSATE TRAP

Next: p1477, !f963

PRESSURE POSITIVE TO GAS VALVE

SET FGA TO PRESSURE

Next: p946, f947

VOLTAGE GAS VALVE PCB

{GAINPCBACS}

Next: p958, !f959

INSPECTION POSITIVE PRESSURE POINT

UNSCREW POSITIVE PRESSURE POINT FROM THE GAS MANIFOLD

Next: p950, !f951

INSPECTION AIR INTAKE

Next: p952, !f953

INSPECTION HEAT EXCHANGER CLEAR

REMOVE BURNER DOOR ASSEMBLY

Next: p954, !f955

INSPECTION FLUE

Next: !p956, !f957

RESISTANCE GAS VALVE HARNESS

REMOVE THE CONNECTOR FROM THE GAS VALVE

Next: !p1705, !f961

INSPECTION HEAT EXCHANGER CLEAR

REMOVE BURNER DOOR ASSEMBLY

Next: p966, !f967

INSPECTION PRESSURE POINTS CAP

Next: p1353, !f969

RESISTANCE PRIMARY SENSOR

REMOVE THE CONNECTOR FROM THE PRIMARY SENSOR

Next: p992, !f1003

DIVERTER MOTOR OPERATION CH

REMOVE THE RETAINING

Next: p993, f994

INSPECTION DIVERTER SPINDLE

REMOVE THE RETAINING CLIP WHICH
HOLDS THE DIVERTER MOTOR IN PLACE

Next: p999, !f1000

RESISTANCE DIVERTER HARNESS

REMOVE THE HARNESS CONNECTION FROM THE DIVERTER MOTOR

Next: !p997, !f998

INSPECTION INTEGRAL BYPASS

Next: !p1001, !f1002

System Information

  • Total Tests: 510
  • Sequence Logic: Decoded from encrypted .seq file
  • Navigation: Dynamic based on pass/fail results
  • Source: 4731307 GW SWIFTFLOW 100 SIT Control