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:

ARISTON CLAS HE SYSTEM

WARNING - IMPORTA

Next: &219, *

NO FAULT FOUND

Next: nff

OBSERVATION FAN RUNS CH DEMAND

ENSURE CH SYSTEM IS COOL

Next: &292, ?326, ?328, ?1793

OBSERVATION DOES BURNER IGNITE AND ESTABLISH

APPLIANCE CH THERMOSTAT SET TO MAX

Next: &152, ?70, ?74, ?76

OPERATION CH

CH THERMOSTAT SET TO MAX

Next: &356, ?155, ?157, ?768

ARISTON CLAS HE SYSTEM - CASE REMOVAL INSTRUCTIONS

Next: &393, !f220

TYPE OF DIAGNOSTIC PROCEDURE

PLEASE SELECT FROM O

Next: &51, !f265

OBSERVATION PUMP OVERRUN

Next: &nff, !f355

OBSERVATION PUMP RUNS

Next: &69, f293

OPERATION DHW

DHW DEMAND

Next: &268, ?816, ?818

USER DISPLAY GUIDE

Next: &1092, !f394

HEADER FOR FUSE INVESTIGATION

OK TO BE BLANK

Next: &nff, f934

HEADER FOR OVERHEAT FAULT CODE 101

OK TO BE BLANK

Next: &nff, f948

HEADER FOR INSUFFICIENT CIRCULATION FAULT CODE 103 - 107 AND 1P1 1P2 1P3

OK TO BE BLANK

Next: &nff, f954

HEADER FOR CH FLOW TEMP PROBE ERROR FAULT CODE 110

OK TO BE BLANK

Next: &nff, f956

HEADER FOR LOW PRESSURE FAULT CODE 108

OK TO BE BLANK

Next: &nff, f966

HEADER FOR EXTERNAL SENSOR ERROR FAULT CODE 114

OK TO BE BLANK

Next: &nff, f968

HEADER FOR FLOOR THERMOSTAT CONTACT OPEN FAULT CODE 116

OK TO BE BLANK

Next: &nff, f974

HEADER FOR EEPROM ERROR FAULT CODE 301

OK TO BE BLANK

Next: &nff, f982

HEADER FOR MAIN PCB ERROR FAULT CODE 303, 305, 306 AND 307

OK TO BE BLANK

Next: &nff, f1088

HEADER FOR COMMUNICATION ERROR FAULT CODE 302

OK TO BE BLANK

Next: &nff, f1078

HEADER FOR FLAME DETECTED GAS VALVE CLOSED FAULT CODE 502

OK TO BE BLANK

Next: &nff, f992

HEADER FOR THERMOFUSE OPEN FAULT CODE 610

OK TO BE BLANK

Next: &nff, f1000

HEADER FOR FAN FAULT CODE 612

OK TO BE BLANK

Next: &nff, f1006

HOW TO ACCESS THE PARAMETER SERVICE CODE

Next: &nff, !f1016

HEADER FOR BOILER VERSION FAULT CODE 201

OK TO BE BLANK

Next: &nff, f1030

HEADER FOR TOO MANY RESETS ERROR CODE 304

OK TO BE BLANK

Next: &nff, f1060

OBSERVATION APPLIANCE SELF CHECK

NO DEMANDS

Next: &264, ?1097, ?1101, ?1153, ?1157

HEADER FOR CH RETURN TEMP PROBE ERROR CODE 112

OK TO BE BLANK

Next: &nff, f1166

HEADER FOR HIGH PRESSURE ERROR CODE 109

OK TO BE BLANK

Next: &nff, f1272

HEADER FOR INSUFFICIENT FAN SPEED ERROR CODE 604

OK TO BE BLANK

Next: &nff, !f1404

HOW TO ACTIVATE TEST FUNCTION

Next: &nff, !f1798

HOW TO ACCESS AND MODIFY THE PARAMETERS

Next: &nff, !f1940

ERROR CODE 610

WIRING - VOLTAGE - LOW

Next: End

ERROR CODE 612

WIRING - VOLTAGE - LOW

Next: End

ERROR CODE 612

FAN ASSEMBLY

Next: End

ERROR CODE 612

PCB - MAIN

Next: End

PARAMETER INFO

Z REDIRECTION

Next: End

FAULT CODE 108

SYSTEM PRESSURE

Next: End

FAULT CODE 201

PARAMETER APPLIANCE VERSION

Next: End

ERROR CODE 304

PCB - MAIN

Next: End

ERROR CODE 302

PCB - MAIN

Next: End

MAIN PCB ERROR CODE

EEPROM KEY

Next: End

ERROR CODE 302

WIRING - DISPLAY

Next: End

ERROR CODES 1

Z REDIRECTION

Next: End

NO DISPLAY

FUSE (FUSED SPUR)

Next: End

FIRES WITH NO DEMAND

PROBE - TEMPERATURE - CH (FLOW)

Next: End

FIRES WITH NO DEMAND

PROBE - TEMPERATURE - CH (RETURN)

Next: End

TEMP PROBE ERROR CODE

PROBE - TEMPERATURE - CH (RETURN)

Next: End

TEMP PROBE ERROR CODE

PROBE - TEMPERATURE - CH (FLOW)

Next: End

BLANK DISPLAY

PCB - MAIN

Next: End

NO DISPLAY

FUSE 250V 2A

Next: End

FAILED GAS RATE

TRAP

Next: End

FAILED GAS RATE

BURNER

Next: End

FAILED GAS RATE

EXCHANGER

Next: End

ERROR CODE 101

PROBE - TEMPERATURE - CH (FLOW)

Next: End

OVERHEAT

TEMPERATURE PROBE FITMENT

Next: End

ERROR CODE 101

PROBE - TEMPERATURE - CH (RETURN)

Next: End

CIRCULATION ERROR CODES

TEMPERATURE PROBE FITMENT

Next: End

CIRCULATION ERROR CODES

PROBE - TEMPERATURE - CH (FLOW)

Next: End

CIRCULATION ERROR CODES

PROBE - TEMPERATURE - CH (RETURN)

Next: End

CIRCULATION ERROR CODES

SYSTEM PRESSURE

Next: End

ERROR CODE 604

FAN ASSEMBLY

Next: End

BLANK DISPLAY

WIRING - DISPLAY

Next: End

DOES NOT IGNITE

FLUE

Next: End

BURNER DOES NOT IGNITE

EXCHANGER

Next: End

PUMP NOT RUNNING

CABLE - PUMP

Next: End

PUMP DOES NOT RUN

CAPACITOR

Next: End

REACHES TEMP RADS COOL

TAP - SERVICE

Next: End

FAILED GAS RATE

SILENCER

Next: End

FAILED GAS RATE

FLUE

Next: End

REACHES TEMP RADS COOL

BY-PASS

Next: End

REACHES TEMP RADS COOL

FILTER

Next: End

BOILER TO TEMP RADS COOL

PUMP

Next: End

INSUFFICIENT CIRCULATION FAULT CODE

TAP - SERVICE

Next: End

CIRCULATION ERROR CODES

BY-PASS

Next: End

CIRCULATION ERROR CODES

FILTER

Next: End

CIRCULATION ERROR CODES

PUMP

Next: End

FAULT CODE 109

PARAMETER LOW WATER PRESSURE DEVICE

Next: End

CH ON WITH NO DEMAND

PCB - MAIN

Next: End

FAILS TO REACH SET TEMP

SYSTEM PRESSURE

Next: End

FAILS TO REACH SET TEMP SPINDLE SNAPPED

KNOB

Next: End

OVERHEAT

SYSTEM PRESSURE

Next: End

IGNITES BUT DOES NOT ESTABLISH

SILENCER

Next: End

BURNER IGNITES BUT DOES NOT ESTABLISH

FLUE

Next: End

BURNER IGNITES BUT DOES NOT ESTABLISH

VENTURI

Next: End

DOES NOT ESTABLISH

EXCHANGER

Next: End

ERROR CODE 502

GAS VALVE

Next: End

FAULT CODE 502

GAS VALVE

Next: End

CH DEMAND NOT RECOGNISED

HARNESS 6 WIRE

Next: End

ERROR CODE 116

HARNESS 6 WIRE

Next: End

FAULT CODE 116

HARNESS 6 WIRE

Next: End

C ON DISPLAY

PROBE - TEMPERATURE - CH (FLOW)

Next: End

TEST FUNCTION ACTIVATION

Z REDIRECTION

Next: End

BURNER DOES NOT IGNITE 1

PCB - MAIN

Next: End

FAULT CODE 108

PARAMETER LOW WATER PRESSURE DEVICE

Next: End

FAULT CODE 108

GAUGE - PRESSURE

Next: End

IGNITES BUT DOES NOT ESTABLISH

CABLE - ELECTRODE

Next: End

BURNER IGNITES BUT DOES NOT ESTABLISH

ELECTRODE - IONISATION

Next: End

FAULT CODE 108

HARNESS LOW WATER PRESSURE SWITCH

Next: End

OVERHEAT

PUMP

Next: End

OVERHEAT FAULT CODE

TAP - SERVICE

Next: End

OVERHEAT

BY-PASS

Next: End

OVERHEAT

FILTER

Next: End

OVERHEAT

PCB - MAIN

Next: End

FAULT CODE 101

PCB - MAIN

Next: End

OVERHEAT

GAUGE - PRESSURE

Next: End

PARAMETERS

Z REDIRECTION

Next: End

BURNER DOES NOT IGNITE

CABLE - IGNITOR / GAS VALVE & PCB - MAIN

Next: End

BURNER DOES NOT IGNITE

GAS VALVE & PCB - MAIN

Next: End

BURNER DOES NOT IGNITE 1

CABLE - IGNITOR / GAS VALVE

Next: End

BURNER DOES NOT IGNITE 2

GAS VALVE

Next: End

FUSE INVESTIGATION

CABLE - IGNITOR / GAS VALVE

Next: End

FUSE INVESTIGATION

GAS VALVE

Next: End

NO POWER TO PUMP OVERHEAT

PCB - MAIN

Next: End

PUMP NOT RUNNING OVERHEAT

CABLE - PUMP

Next: End

PUMP DOES NOT RUN OVERHEAT

CAPACITOR

Next: End

PUMP POOR CIRC

PCB - MAIN

Next: End

PUMP NOT RUNNING POOR CIRC

CABLE - PUMP

Next: End

PUMP DOES NOT RUN POOR CIRC

CAPACITOR

Next: End

CASE REMOVAL

Z REDIRECTION

Next: End

FOR TYPE DIAG PROCEDURE

Z REDIRECTION

Next: End

NO PUMP OVERRUN

PCB - MAIN

Next: End

USER DISPLAY GUIDE

Z REDIRECTION

Next: End

BURNER IGNITES BUT BAFFLES

TRAP

Next: End

BURNER IGNITES BUT BAFFLES

SILENCER

Next: End

BURNER DOES NOT ESTABLISH

TRAP

Next: End

BURNER DOES NOT IGNITE

TRAP

Next: End

BURNER DOES NOT IGNITE

PCB - MAIN

Next: End

BURNER DOES NOT IGNITE

ELECTRODE - IGNITION

Next: End

BURNER DOES NOT IGNITE

CABLE - IGNITOR / GAS VALVE

Next: End

BURNER DOES NOT IGNITE

FLUE

Next: End

BURENR DOES NOT IGNITE 1

SILENCER

Next: End

BURNER DOES NOT IGNITE 1

BURNER

Next: End

BURNER DOES NOT IGNITE 1

EXCHANGER

Next: End

BURNER IGNITES BUT BAFFLES

FLUE

Next: End

BURNER IGNITES BUT BAFFLES

EXCHANGER

Next: End

BURNER IGNITES BUT BAFFLES

BURNER

Next: End

BURNER IGNITES BUT BAFFLES

VENTURI

Next: End

BURNER DOES NOT IGNITE 1

ELECTRODE - IGNITION

Next: End

BURNER DOES NOT IGNITE

VENTURI

Next: End

PUMP

PCB - MAIN

Next: End

BURNER ESTABLISHES THEN BAFFLES

GAS PRESSURE INLET

Next: End

REACHES TEMP RADS COOL

SYSTEM PRESSURE

Next: End

SET TEMP NOT REACHED

PARAMETER HEATING POWER

Next: End

FAILS TO REACH SET TEMP

PROBE - TEMPERATURE - CH (FLOW)

Next: End

FAILS TO REACH SET TEMP

PROBE - TEMPERATURE - CH (RETURN)

Next: End

BOILER TEMP LOW SYSTEM TEMP LOW

GAS PRESSURE INLET

Next: End

EXCESSIVE SYSTEM PRESSURE RISE

VESSEL - EXPANSION

Next: End

FAN NOT RUNNING

WIRING - VOLTAGE - LOW

Next: End

NOT RUNNING WITH DEMAND

FAN ASSEMBLY

Next: End

FAN NOT RUNNING

PROBE - TEMPERATURE - CH (FLOW)

Next: End

FAN NOT RUNNING

PROBE - TEMPERATURE - CH (RETURN)

Next: End

BURNER IGNITES BUT DOES NOT ESTABLISH

GAS PRESSURE INLET

Next: End

FUSE INVESTIGATION

PUMP

Next: End

FUSE INVESTIGATION

SPARK GENERATOR

Next: End

ERROR CODE 114

PCB - MAIN

Next: End

FAULT CODE 114

PCB - MAIN

Next: End

ERROR CODE 301

EEPROM KEY

Next: End

ERROR CODE 610

PCB - MAIN

Next: End

ERROR CODE 610

THERMAL FUSE

Next: End

FAULT CODE 612

FAN ASSEMBLY

Next: End

FAULT CODE 201

PCB - MAIN

Next: End

ERROR CODE 303 RESETS CONFIRM BOILER OP

Z REDIRECTION

Next: End

ERROR CODE 302

PCB - DISPLAY

Next: End

PCB ERROR CODE

PCB - MAIN

Next: End

ERROR CODES

Z REDIRECTION

Next: End

NO DISPLAY

Next: End

FUSE FURTHER INVESTIGATION

Z REDIRECTION

Next: End

APPLIANCE FIRES WITH NO DEMAND

FROST PROTECTION

Next: End

FIRES WITH NO DEMAND 1

PCB - MAIN

Next: End

TEMP PROBE ERRPR CODE

PCB - MAIN

Next: End

TEMP PROBE ERROR CODE

WIRING - VOLTAGE - LOW

Next: End

ERROR CODE 110

PCB - MAIN

Next: End

TEMP PROBE FAULT CODE

WIRING - VOLTAGE - LOW

Next: End

FUSE FURTHER INVESTIGATION 1

Z REDIRECTION

Next: End

FAILED GAS RATE

VENTURI

Next: End

FAILED GAS RATE

FAN ASSEMBLY

Next: End

FAILED GAS RATE

GAS VALVE

Next: End

BLANK DISPLAY

PCB - DISPLAY

Next: End

BURNER DOES NOT IGNITE

GAS VALVE

Next: End

SEIZED

PUMP

Next: End

BOILER UP TO TEMP RADS COOL

SYSTEM BLOCKAGE

Next: End

CIRCULATION ERROR CODES

PCB - MAIN

Next: End

CIRCULATION ISSUES

SYSTEM BLOCKAGE

Next: End

ERROR CODE 109

PCB - MAIN

Next: End

CH ON WITH NO DEMAND

Next: End

BURNER IGNITES BUT DOES NOT ESTABLISH

BURNER

Next: End

INCORRECT GAP TO BURNER

ELECTRODE - IONISATION

Next: End

BURNER IGNITES BUT DOES NOT ESTABLISH

PCB - MAIN

Next: End

ERROR CODE 502

PCB - MAIN

Next: End

NO CH DEMAND

Next: End

NO CH DEMAND

PCB - MAIN

Next: End

ERROR CODE 116

UNDERFLOOR HEATING THERMOSTAT LINK

Next: End

ERROR CODE 116

UNDERFLOOR HEATING THERMOSTAT

Next: End

C ON DISPLAY

PCB - MAIN

Next: End

FAULT CODE 108

PCB - MAIN

Next: End

ERROR CODE 108

SWITCH - PRESSURE - LOW

Next: End

FAULT CODE 108

PUMP MANIFOLD

Next: End

FAULT CODE 108

SWITCH - PRESSURE - LOW

Next: End

OVERHEAT

SYSTEM BLOCKAGE

Next: End

OVERHEAT FAULT CODE

OVERHEAT

Next: End

BURNER DOES NOT IGNITE 2

PCB - MAIN

Next: End

SEIZED OVERHEAT

PUMP

Next: End

SEIZED POOR CIRC

PUMP

Next: End

BURNER DOES NOT IGNITE

GAS PRESSURE INLET

Next: End

BURNER DOES NOT IGNITE

SPARK GENERATOR

Next: End

BURNER DOES NOT IGNITE

BURNER

Next: End

DOES NOT IGNITE

ELECTRODE - IGNITION

Next: End

BURNER DOES NOT IGNITE 1

GAS VALVE

Next: End

BURNER IGNITES BUT BAFFLES

GAS VALVE

Next: End

BURNER DOES NOT IGNITE 1

VENTURI

Next: End

BURNER DOES NOT IGNITE

FAN ASSEMBLY

Next: End

NO HW OPERATION

Next: End

OPERATION DHW

Next: End

BOILER TEMP LOW SYSTEM TEMP LOW

PCB - MAIN

Next: End

EXCESSIVE PRESSURE RISE

PIPE - EXPANSION VESSEL

Next: End

FAN DOES NOT RUN

FAN ASSEMBLY

Next: End

FAN NOT RUNNING

PCB - MAIN

Next: End

FUSE INVESTIGATION

CABLE - PUMP

Next: End

FUSE INVESTIGATION

PCB - MAIN (FUSE BLOWN)

Next: End

FUSE INV

CABLE - IGNITOR / GAS VALVE

Next: End

ERROR CODE 114

EXTERNAL SENSOR

Next: End

FAULT CODE 116

PCB - MAIN

Next: End

ERROR CODE 116

PCB - MAIN

Next: End

ERROR CODE 301

PCB - MAIN

Next: End

ERROR CODE SHOWN

CHARACTERISTIC TEST FROM OBSERVATION APPLIANCE SELF CHECK

Next: p1098

DISPLAY DOES NOT ILLUMINATE

CHARACTERISTIC TEST FROM OBSERVATION APPLIANCE SELF CHECK

Next: p1102

UPPER CASE LETTER C ON THE DISPLAY

CHARACTERISTIC TEST FROM OBSERVATION APPLIANCE SELF CHECK

Next: p1654

F ON THE DISPLAY

CHARACTERISTIC TEST FROM OBSERVATION APPLIANCE SELF CHECK

Next: p1158

AIR GAS MIXER RESTRICTED AND / OR BLOCKED / IN POOR CONDITION

CHARACTERISTIC TEST FROM INSPECTION AIR / GAS MIXER AND FAN ASSEMBLY

Next: !p1228

FAN RESTRICTED AND / OR BLOCKED / IN POOR CONDITION

CHARACTERISTIC TEST FROM INSPECTION AIR / GAS MIXER AND FAN ASSEMBLY

Next: !p1230

APPLIANCE REACHES TEMP RADIATORS REMAIN COOL OR DO NOT HEAT

CHARACTERISTIC TEST FROM OPERATION CH

Next: p156

APPLIANCE AND RADIATORS FAIL TO REACH SET TEMPERATURE

CHARACTERISTIC TEST FROM OPERATION CH

Next: p771

BURNER RESTRICTED AND / OR IN POOR CONDITION

CHARACTERISTIC TEST FROM INSPECTION BURNER AND SPARK GAP

Next: !p1768

IONISATION GAP UNSATISFACTORY

CHARACTERISTIC TEST FROM INSPECTION BURNER AND IONISATION GAP

Next: !p1770

LOWER CASE LETTER C ON THE DISPLAY

CHARACTERISTIC TEST FROM OBSERVATION FAN RUNS CH DEMAND

Next: p1794

PUMP MANIFOLD BLOCKED

CHARACTERISTIC TEST FROM INSPECTION WATER PRESSURE SWITCH AND MANIFOLD

Next: !p1901

LOW WATER PRESSURE SWITCH BLOCKED

CHARACTERISTIC TEST FROM INSPECTION WATER PRESSURE SWITCH AND MANIFOLD

Next: !p1903

CH DEMAND RECOGNISED BUT FAN DOES NOT RUN

CHARACTERISTIC TEST FROM OBSERVATION FAN RUNS CH DEMAND

Next: p478

CH DEMAND NOT RECOGNISED

CHARACTERISTIC TEST FROM OBSERVATION FAN RUNS CH DEMAND

Next: p1781

NO PRESSURE DROP OBSERVED

CHARACTERISTIC TEST FROM PRESSURE GAS INLET DROP

Next: p496

INLET PRESSURE LOW OR DIES AWAY DURING IGNITION

CHARACTERISTIC TEST FROM PRESSURE GAS INLET DROP

Next: !p498

BURNER RESTRICTED AND / OR IN POOR CONDITION

CHARACTERISTIC TEST FROM INSPECTION BURNER AND SPARK GAP

Next: !p521

SPARK GAP UNSATISFACTORY

CHARACTERISTIC TEST FROM INSPECTION BURNER AND SPARK GAP

Next: !p523

AIR GAS MIXER RESTRICTED AND / OR BLOCKED / IN POOR CONDITION

CHARACTERISTIC TEST FROM INSPECTION AIR / GAS MIXER AND FAN ASSEMBLY

Next: !p609

FAN RESTRICTED AND / OR BLOCKED / IN POOR CONDITION

CHARACTERISTIC TEST FROM INSPECTION AIR / GAS MIXER AND FAN ASSEMBLY

Next: !p611

BURNER DOES NOT IGNITE

CHARACTERISTIC TEST FROM OBSERVATION DOES BURNER IGNITE AND ESTABLISH

Next: p445

BURNER IGNITES BUT DOES NOT ESTABLISH

CHARACTERISTIC TEST FROM OBSERVATION DOES BURNER IGNITE AND ESTABLISH

Next: p75

BURNER IGNITES AND ESTABLISHES BUT BAFFLES OR IS NOISY

CHARACTERISTIC TEST FROM OBSERVATION DOES BURNER IGNITE AND ESTABLISH

Next: p396

EXCESSIVE SYSTEM PRESSURE RISE

CHARACTERISTIC TEST FROM OPERATION CH

Next: p878

APPLIANCE DOES NOT RESPOND TO DHW DEMAND

CHARACTERISTIC TEST FROM OPERATION DHW

Next: !p817

DHW OPERATION UNSATISFACTORY

CHARACTERISTIC TEST FROM OPERATION DHW

Next: !p819

25/11/2020 13:50:17 2011_1_50_1 04/01/2021 10:53:31

26/11/2020 13:27:04

Next: End

RESISTANCE THERMOFUSE AND HARNESS

REMOVE CONNECTOR CN23 FROM THE PCB

Next: !p1001, f1002

RESISTANCE HARNESS THERMOFUSE

REMOVE CONNECTOR CN23 FROM THE PCB
DISCONNECT THE CONNECTOR FROM THE THERMOFUSE

Next: !p1003, !f1004

RESISTANCE HARNESS FAN

REMOVE CONNECTOR CN23 FROM THE PCB
DISCONNECT THE CONNECTOR FROM THE FAN

Next: p1007, !f1008

OBSERVATION CHECK PARAMETER 2-2-8 BOILER VERSION

Next: !p1057, !f1058

RESET APPLIANCE - ERROR CODE 304

Next: !p1061, !f1062

VOLTAGE TO DISPLAY PCB

REMOVE DISPLAY HARNESS CONNECTOR FROM THE MAIN PCB AND MAKE SAFE

Next: p1079, !f1080

INSPECTION EEPROM KEY

Next: !p1089, !f1090

RESISTANCE FUSE (FUSED SPUR)

REMOVE FUSE FROM FUSED SPUR

Next: !p1105, f1106

FUSE FURTHER INVESTIGATION (FUSED SPUR)

Next: !p1107, !f1108

RESISTANCE FLOW TEMPERATURE PROBE AND HARNESS

REMOVE CONNECTOR CN23 FROM THE PCB

Next: p1161, !f1162

RESISTANCE RETURN TEMPERATURE PROBE AND HARNESS

REMOVE CONNECTOR CN23 FROM THE PCB

Next: !p1167, f1168

RESISTANCE RETURN TEMPERATURE PROBE

REMOVE THE LEADS FROM THE RETURN TEMPERATURE PROBE (BLUE LEADS)

Next: !p1169, !f1170

RESISTANCE FLOW TEMPERATURE PROBE

REMOVE THE LEADS FROM THE FLOW TEMPERATURE PROBE (RED LEADS)

Next: !p1173, !f1174

FUSE FURTHER INVESTIGATION (PCB FUSE)

Next: !p1199, !f1200

INSPECTION SILENCER

REMOVE THE SILENCER

Next: p1553, !f1567

OBSERVATION CHECK PARAMETER 2-4-7 LOW WATER PRESSURE DEVICE

Next: !p1635, !f1636

INSPECTION FLOW AND RETURN ISOLATION VALVES

Next: p1596, !f1597

RESISTANCE 6 WIRE HARNESS

REMOVE 6 WIRE CONNECTOR FROM THE PCB

Next: !p1785, !f1786

RESISTANCE 6 WIRE HARNESS

REMOVE 6 WIRE CONNECTOR FROM THE PCB

Next: !p1788, !f1789

RESISTANCE 6 WIRE HARNESS

REMOVE 6 WIRE CONNECTOR FROM THE PCB

Next: !p1791, !f1792

RESISTANCE LOW WATER PRESSURE SWITCH HARNESS

REMOVE CONNECTOR CN12 FROM THE PCB
DISCONNECT THE CONNECTOR FROM THE WATER PRESSURE SWITCH

Next: p1898, !f1904

INSPECTION FLOW AND RETURN ISOLATION VALVES

Next: p1928, !f1929

VOLTAGE PUMP AT PCB

REMOVE CONNECTOR CN09 (PUMP CABLE) FROM THE PCB AND MAKE SAFE

Next: p1977, !f1978

VOLTAGE PUMP AT PCB

REMOVE CONNECTOR CN09 (PUMP CABLE) FROM THE PCB AND MAKE SAFE

Next: p1984, !f1985

VOLTAGE PUMP AT PCB

REMOVE CONNECTOR CN09 (PUMP CABLE) FROM THE PCB AND MAKE SAFE

Next: p655, !f656

RESISTANCE GAS VALVE HARNESS

REMOVE THE 4 WAY CONNECTOR FROM THE PCB
REMOVE THE ELECTRICAL CONNECTOR FROM THE GAS VALVE

Next: p1943, !f1944

VOLTAGE SPARK GENERATOR AT PCB

REMOVE THE LEAD FROM THE SPARK GENERATOR AND MAKE SAFE

Next: p506, !f507

RESISTANCE FLOW TEMPERATURE PROBE AND HARNESS

REMOVE CONNECTOR CN23 FROM THE PCB

Next: p895, !f896

RESISTANCE PUMP AND HARNESS FOR FUSE INVESTIGATION

REMOVE CONNECTOR CN09 FROM THE PCB

Next: p935, f936

RESISTANCE PUMP FOR FUSE INVESTIGATION

REMOVE PUMP COVER AND DISCONNECT ELECTRICAL CONNECTOR

Next: !p937, !f938

RESISTANCE SPARK GENERATOR FOR FUSE INVESTIGATION

DISCONNECT ELECTRICAL CONNECTOR FROM THE SPARK GENERATOR

Next: !p945, !f946

OBSERVATION TEMPERATURE PROBES CORRECTLY FITTED

Next: p1283, !f1297

OBSERVATION TEMPERATURE PROBES CORRECTLY FITTED

Next: p1372, !f1373

RESISTANCE FLOW TEMPERATURE PROBE AND HARNESS

REMOVE CONNECTOR CN23 FROM THE PCB

Next: !p1171, f1172

OBSERVATION SYSTEM PRESSURE

Next: p1031, !f1032

OBSERVATION EXTERNAL SENSOR

Next: p969, !f970

OBSERVATION UNDERFLOOR HEATING

Next: p975, f976

RESISTANCE UNDERFLOOR HEATING THERMOSTAT LINK

REMOVE 6 WIRE CONNECTOR FROM THE PCB

Next: !p977, f1787

INSPECTION EEPROM KEY

Next: !p983, !f984

INSTALLATION TIGHTNESS TEST

Next: p1776, !f1778

RESISTANCE FAN

REMOVE CONNECTOR CN23 FROM THE PCB

Next: p1009, !f1010

VOLTAGE FAN DEMAND

Next: !p1011, !f1012

OBSERVATION SYSTEM PRESSURE RISE

Next: p1853, !f1865

RESISTANCE HARNESS DISPLAY PCB

DISCONNECT THE DISPL

Next: !p1086, !f1091

ERROR CODES

Next: !p1099, !f1100

VOLTAGE MAINS POWER INPUT AT PCB

Next: p1103, f1104

RESISTANCE FUSE PCB

REMOVE FUSE FROM PCB

Next: p1191, f1198

TEMPERATURE FLOW

ATTACH A TEMPERATURE

Next: !p1159, f1160

RESISTANCE RETURN TEMPERATURE PROBE AND HARNESS

REMOVE CONNECTOR CN23 FROM THE PCB

Next: !p1163, !f1164

VOLTAGE TO DISPLAY PCB

REMOVE DISPLAY HARNESS CONNECTOR FROM THE MAIN PCB AND MAKE SAFE

Next: p1192, !f1193

RESISTANCE HARNESS DISPLAY PCB

DISCONNECT THE DISPL

Next: !p1515, !f1516

INSPECTION CONDENSATE PIPE

Next: p1223, !f1224

INSPECTION AIR / GAS MIXER AND FAN ASSEMBLY

REMOVE BURNER DOOR ASSEMBLY C/W FAN AND GAS VALVE

Next: p1225, ?1227, ?1229

INSPECTION BURNER

THE BURNER DOOR ASSEMBLY SHOULD ALREADY BE REMOVED FROM PREVIOUS TEST

Next: p1231, !f1232

INSPECTION PRIMARY HEAT EXCHANGER FLUEWAYS

THE BURNER DOOR ASSEMBLY SHOULD ALREADY BE REMOVED FROM PREVIOUS TEST

Next: !p1233, !f1234

RESISTANCE FLOW TEMPERATURE PROBE AND HARNESS

REMOVE CONNECTOR CN23 FROM THE PCB

Next: p1284, !f1285

RESISTANCE RETURN TEMPERATURE PROBE AND HARNESS

REMOVE CONNECTOR CN23 FROM THE PCB

Next: p1298, !f1309

OBSERVATION SYSTEM PRESSURE

Next: p1692, !f1732

RESISTANCE FLOW TEMPERATURE PROBE AND HARNESS

REMOVE CONNECTOR CN23 FROM THE PCB

Next: p1374, !f1375

RESISTANCE RETURN TEMPERATURE PROBE AND HARNESS

REMOVE CONNECTOR CN23 FROM THE PCB

Next: p1376, !f1377

OBSERVATION SYSTEM PRESSURE

Next: p1378, !f1379

OBSERVATION PUMP RUNS

Next: p1380, f1983

PUMP LIMPET

Next: p1593, !f1602

INSPECTION FLUE

Next: !p1518, !f1519

CAPACITANCE PUMP

MULTIMETER SET TO CA

Next: !p1523, !f1524

PUMP LIMPET

Next: p1587, !f1592

INSPECTION FLUE

Next: p1221, !f1568

OBSERVATION SYSTEM PRESSURE

Next: p800, !f812

PRESSURE GAS INLET

ATTACH PRESSURE GAUGE TO GAS VALVE PRESSURE INLET TEST POINT

Next: p852, !f877

INSPECTION INTERNAL BYPASS

APPLIANCE DRAINED AN

Next: p1588, !f1589

INSPECTION CH FILTER

APPLIANCE DRAINED AN

Next: !p1590, !f1591

TEMPERATURE DIFFERENTIAL CH

ATTACH TEMPERATURE C

Next: !p1594, f1595

INSPECTION INTERNAL BYPASS

APPLIANCE DRAINED AN

Next: p1598, !f1599

INSPECTION CH FILTER

APPLIANCE DRAINED AN

Next: !p1600, !f1601

DISCONNECT EXTERNAL CONTROLS

REMOVE ALL EXTERNAL CONTROL WIRING CONNECTIONS AND MAKE SAFE
ENSURE NO DEMANDS ARE PRESENT

Next: !p1655, !f1656

INSPECTION CH CONTROL KNOB

GAIN ACCESS TO THE D

Next: p158, !f1686

OBSERVATION SYSTEM PRESSURE RISE

Next: p1919, !f1938

INSPECTION SILENCER

REMOVE THE SILENCER

Next: p1759, !f1760

INSPECTION FLUE

Next: p1761, !f1762

INSPECTION AIR / GAS MIXER

REMOVE BURNER DOOR ASSEMBLY C/W FAN AND GAS VALVE

Next: p1763, !f1764

INSPECTION BURNER AND IONISATION GAP

THE BURNER DOOR ASSEMBLY SHOULD ALREADY BE REMOVED FROM PREVIOUS TEST

Next: p1765, ?1767, ?1769

INSPECTION PRIMARY HEAT EXCHANGER FLUEWAYS

THE BURNER DOOR ASSEMBLY SHOULD ALREADY BE REMOVED FROM PREVIOUS TEST

Next: !p1771, !f1772

PRESSURE STANDING RETURN

ATTACH PRESSURE GAUG

Next: !p1779, !f1780

BYPASS EXTERNAL CONTROLS

DISCONNECT EXTERNAL

Next: !p1782, f1784

RESISTANCE FLOW TEMPERATURE PROBE AND HARNESS

REMOVE CONNECTOR CN23 FROM THE PCB

Next: !p1795, !f1796

RESISTANCE IONISATION CABLE

REMOVE IONISATION LEAD FROM CN04 ON PCB
DISCONNECT IONISATION LEAD AT THE INLINE CONNECTOR

Next: p540, !f1893

RESISTANCE LOW WATER PRESSURE SWITCH AND HARNESS

REMOVE CONNECTOR CN12 FROM THE PCB

Next: p1854, f1866

OBSERVATION CHECK PARAMETER 2-4-7 LOW WATER PRESSURE DEVICE

Next: !p1863, !f1864

INSPECTION WATER PRESSURE SWITCH AND MANIFOLD

APPLIANCE DRAINED AN

Next: !p1899, ?1900, ?1902

OBSERVATION PUMP RUNS

Next: p1920, f1976

PUMP LIMPET

Next: p1924, !f1925

TEMPERATURE DIFFERENTIAL CH

ATTACH TEMPERATURE C

Next: p1926, f1927

OBSERVATION RUN APPLIANCE TO TEMPERATURE

ATTACH A TEMPERATURE

Next: p1934, !f1935

INSPECTION INTERNAL BYPASS

APPLIANCE DRAINED AN

Next: p1930, !f1931

INSPECTION CH FILTER

APPLIANCE DRAINED AN

Next: !p1932, !f1933

OBSERVATION PUMP OVERRUN FOR OVERHEAT

Next: !p1936, !f1937

RESISTANCE GAS VALVE

REMOVE THE ELECTRICAL CONNECTOR FROM THE GAS VALVE

Next: !p1945, !f1946

RESISTANCE GAS VALVE

REMOVE THE ELECTRICAL CONNECTOR FROM THE GAS VALVE

Next: p528, !f1965

RESISTANCE GAS VALVE FOR FUSE INVESTIGATION

REMOVE THE ELECTRICAL CONNECTOR FROM THE GAS VALVE

Next: p939, !f1975

RESISTANCE HARNESS PUMP

REMOVE CONNECTOR CN09 FROM THE PCB
DISCONNECT THE ELECTRICAL CONNECTION FROM THE PUMP ASSEMBLY

Next: p1979, !f1980

CAPACITANCE PUMP

MULTIMETER SET TO CA

Next: !p1981, !f1982

RESISTANCE HARNESS PUMP

REMOVE CONNECTOR CN09 FROM THE PCB
DISCONNECT THE ELECTRICAL CONNECTION FROM THE PUMP ASSEMBLY

Next: p1986, !f1987

CAPACITANCE PUMP

MULTIMETER SET TO CA

Next: !p1988, !f1989

INSPECTION CONDENSATE PIPE

Next: p77, !f410

INSPECTION FLUE

Next: p585, !f593

INSPECTION CONDENSATE PIPE

Next: p472, !f473

VOLTAGE GAS VALVE AT PCB

Next: p479, f499

RESISTANCE HARNESS FAN

REMOVE CONNECTOR CN23 FROM THE PCB
DISCONNECT THE CONNECTOR FROM THE FAN

Next: p647, !f886

PRESSURE GAS INLET DROP

ATTACH PRESSURE GAUGE TO GAS INLET PRESSURE TEST POINT

Next: p503, ?495, ?497

INSPECTION FLUE

Next: p526, !f527

OBSERVATION SPARKING OCCURS

DISCONNECT THE IGNIT

Next: p504, f505

RESISTANCE IGNITION ELECTRODE AND LEAD

REMOVE THE IGNITION ELECTRODE FROM THE BURNER DOOR
DISCONNECT LEAD AT THE SPARK GENERATOR

Next: p515, !f616

RESISTANCE HARNESS SPARK GENERATOR

REMOVE 4 WAY CONNECTOR FROM THE PCB
DISCONNECT THE ELECTRICAL LEAD FROM THE SPARK GENERATOR

Next: p511, !f514

RESISTANCE IGNITION ELECTRODE AND LEAD

REMOVE THE IGNITION ELECTRODE FROM THE BURNER DOOR
DISCONNECT LEAD AT THE SPARK GENERATOR

Next: !p512, !f513

INSPECTION AIR / GAS MIXER

REMOVE BURNER DOOR ASSEMBLY C/W FAN AND GAS VALVE

Next: p517, !f623

INSPECTION BURNER AND SPARK GAP

THE BURNER DOOR ASSEMBLY SHOULD ALREADY BE REMOVED FROM PREVIOUS TEST

Next: p519, ?520, ?522

INSPECTION PRIMARY HEAT EXCHANGER FLUEWAYS

THE BURNER DOOR ASSEMBLY SHOULD ALREADY BE REMOVED FROM PREVIOUS TEST

Next: p1517, !f1520

RESISTANCE GAS VALVE HARNESS

REMOVE THE 4 WAY CONNECTOR FROM THE PCB
REMOVE THE ELECTRICAL CONNECTOR FROM THE GAS VALVE

Next: p1950, !f1964

INSPECTION SILENCER

REMOVE THE SILENCER

Next: p532, !f533

INSPECTION AIR / GAS MIXER AND FAN ASSEMBLY

REMOVE BURNER DOOR ASSEMBLY C/W FAN AND GAS VALVE

Next: p534, ?608, ?610

INSPECTION BURNER

THE BURNER DOOR ASSEMBLY SHOULD ALREADY BE REMOVED FROM PREVIOUS TEST

Next: p536, !f537

INSPECTION PRIMARY HEAT EXCHANGER FLUEWAYS

THE BURNER DOOR ASSEMBLY SHOULD ALREADY BE REMOVED FROM PREVIOUS TEST

Next: !p538, !f539

RESISTANCE IONISATION ELECTRODE

REMOVE IONISATION EL

Next: p1758, !f1894

INSPECTION AIR / GAS MIXER

REMOVE BURNER DOOR ASSEMBLY C/W FAN AND GAS VALVE

Next: p600, !f605

INSPECTION PRIMARY HEAT EXCHANGER FLUEWAYS

THE BURNER DOOR ASSEMBLY SHOULD ALREADY BE REMOVED FROM PREVIOUS TEST

Next: !p597, !f598

INSPECTION BURNER

THE BURNER DOOR ASSEMBLY SHOULD ALREADY BE REMOVED FROM PREVIOUS TEST

Next: p596, !f604

RESISTANCE FAN

REMOVE CONNECTOR CN23 FROM THE PCB

Next: p884, !f892

RESISTANCE HARNESS PUMP

REMOVE CONNECTOR CN09 FROM THE PCB
DISCONNECT THE ELECTRICAL CONNECTION FROM THE PUMP ASSEMBLY

Next: p1521, !f1522

PRESSURE GAS INLET

ATTACH PRESSURE GAUGE TO GAS VALVE PRESSURE INLET TEST POINT

Next: p90, !f91

PRESSURE GAS INLET

ATTACH PRESSURE GAUGE TO GAS VALVE PRESSURE INLET TEST POINT

Next: p78, !f79

OBSERVATION SYSTEM PRESSURE

Next: p1657, !f1685

INSPECTION SILENCER

REMOVE THE SILENCER

Next: p422, !f428

INSPECTION FLOW AND RETURN ISOLATION VALVES

Next: p1543, !f1552

OBSERVATION MAXIMUM HEATING POWER

ENSURE NO DEMANDS

Next: p853, !f854

RESISTANCE FLOW TEMPERATURE PROBE AND HARNESS

REMOVE CONNECTOR CN23 FROM THE PCB

Next: p855, !f856

RESISTANCE RETURN TEMPERATURE PROBE AND HARNESS

REMOVE CONNECTOR CN23 FROM THE PCB

Next: p857, !f858

APPLIANCE OUTPUT

SET APPLIANCE TO 100% OUTPUT

Next: !p859, f1220

INSPECTION EXPANSION VESSEL PRESSURE

APPLIANCE DRAINED AND DISCHARGED

Next: !p879, !f880

VOLTAGE FAN DEMAND

Next: !p893, f894

RESISTANCE RETURN TEMPERATURE PROBE AND HARNESS

REMOVE CONNECTOR CN23 FROM THE PCB

Next: !p897, !f898

INSPECTION CONDENSATE PIPE

Next: p92, !f464

VOLTAGE RECTIFICATION AT PCB

REMOVE THE IONISATION LEAD FROM CONNECTOR CN04 AND MAKE SAFE
ENSURE NO DEMAND

Next: p1831, !f1851

RESISTANCE GAS VALVE HARNESS FOR FUSE INVESTIGATION

REMOVE THE 4 WAY CONNECTOR FROM THE PCB
REMOVE THE ELECTRICAL CONNECTOR FROM THE GAS VALVE

Next: p1968, !f1974

RESISTANCE SPARK GENERATOR AND HARNESS FOR FUSE INVESTIGATION

REMOVE THE 4 WAY CONNECTOR FROM THE PCB

Next: !p943, f944

DISCONNECT EXTERNAL SENSOR

DISCONNECT EXTERNAL SENSOR WIRES FROM TERMINAL BLOCK AND MAKE SAFE

Next: !p971, !f972

RESISTANCE UNDERFLOOR HEATING THERMOSTAT

REMOVE 6 WIRE CONNECTOR FROM THE PCB

Next: !p979, f1790

System Information

  • Total Tests: 400
  • Sequence Logic: Decoded from encrypted .seq file
  • Navigation: Dynamic based on pass/fail results
  • Source: 4731307 GW SWIFTFLOW 100 SIT Control