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:

IDEAL / BG RD1

GLOBALLY REPLACED

Next: &1, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

INFORMATION CASE REMOVAL

Next: &4, !f19

TYPE OF DIAGNOSTIC PROCEDURE


Next: &841, !f5

OPERATION CH

Next: &288, ?226, ?228, ?230, ?245, ?389

OPERATION DHW

Next: &501, ?289, ?291

FUSE INVESTIGATION TREE (MAINS)

HEADER FOR MAINS FUSE INVESTIGATION - NOT USED

Next: &nff, f296

COMBUSTION TEST

Next: &739, f1062

OBSERVATION BOILER STANDBY

NO DEMANDS

Next: &786, ?530, ?532

OBSERVATION RUN BOILER TO MAX TEMP

ATTACH A TEMPERATURE

Next: &1263, f740

OBSERVATION FAN RUNS

ENSURE BOILER IS COOL
BOILER STAT SET TO MAX (6)

Next: &835, ?787, ?789

OBSERVATION PUMP RUNNING

LOCATE SYSTEM PUMP

Next: &881, f836

FAULT CODES

Next: &529, !f842

OBSERVATION BURNER IGNITES AND ESTABLISHES

REFIT CASE IF IT WAS REMOVED PREVIOUSLY

Next: &1047, ?882, ?884, ?888

LED 3 AND LED 4 FAST FLASH (ALTERNATIVELY AND IN SYNC)

BLANK

Next: &nff, f996

LEDS 3 AND 4 ILLUMINATED - USE FAN DOES NOT RUN TREE

BLANK

Next: &nff, !f1000

LED 3 OFF LED 4 FLASHING - USE FAN DOES NOT RUN TREE (PASS)

BLANK

Next: &nff, !f1002

LED 3 OFF LED 4 ILLUMINATED - USE OBSERVATION BURNER IGNITES AND ESTABLISHES

BLANK

Next: &nff, !f1004

LED 3 ILLUMINATED LED 4 OFF

BLANK

Next: &nff, !f1036

LED 3 FLASHING SLOW LED 4 OFF - USE FAN DOES NOT RUN TREE (OBS RESET BOILER)

BLANK

Next: &nff, !f1038

LED 3 FLASHING FAST LED 4 OFF

BLANK

Next: &nff, f1549

PRESSURE BURNER

ATTACH A PRESSURE GAUGE TO THE BURNER PRESSURE TEST POINT

Next: &224, f1048

COMBUSTION TEST FROM DIAGNOSTIC PROCEDURE

Next: &nff, f1057

OBSERVATION PUMP OVERRUN

CHECK IF THE PUMP IS

Next: &nff, !f1264

NO LEDS TREE FOR FAN NOT RUNNING

INTENTIONALLY BLANK - HEADER FOR NO LEDS TREE

Next: &nff, f1293

GRAVITY DHW OPERATION UNSATISFACTORY TREE

OUTSIDE MODEL

Next: &nff, f1590

FUSE INVESTIGATION TREE (PCB FUSE)

HEADER FOR PCB FUSE INVESTIGATION - NOT USED

Next: &nff, f1594

NEW QADAI OPTIONS

OUTSIDE MODEL

Next: &nff, ?1622, ?1624, ?1626, ?1628, ?1630, ?1632, ?1634, ?1636, ?1638, ?1642, ?1644, ?1648, ?1650, ?1687

LED 3 AND 4 ILLUMINATED

Z REDIRECT

Next: End

LED 3 OFF LED 4 FLASHING

Z REDIRECT

Next: End

LED 3 OFF LED 4 ILLUMINATED

Z REDIRECT

Next: End

LED3 ILLMINATED LED 4 OFF

PC ADM BOARD

Next: End

LED 3 FLASHING SLOW LED 4 OFF

Z REDIRECT

Next: End

OPERATION CH - RUNS BUT RADS COOL

KIT - MAIN BURNER

Next: End

PRESSURE BURNER

INLET PRESSURE

Next: End

OPERATION CH - NOISY

SYSTEM PRESSURE / AIR IN SYSTEM

Next: End

OPERATION CH - NOISY

PUMP

Next: End

COMBUSTION TEST

INLET PRESSURE

Next: End

COMBUSTION TEST

KIT - INSULATION

Next: End

COMBUSTION TEST

BURNER FITMENT

Next: End

COMBUSTION TEST

KIT - MAIN BURNER

Next: End

COMBUSTION TEST

KIT - HEAT EXCHANGER (FLUEWAYS)

Next: End

COMBUSTION TEST

FLUE

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO PILOT - STIFF

KIT - FAN ASSEMBLY

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO PILOT

KIT - PRESSURE SENSING TUBES

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO PILOT

PRESSURE SWITCH

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO PILOT

FLUE

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO PILOT

KIT - FAN ASSEMBLY - VENTURI

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO PILOT

KIT - HEAT EXCHANGER (FLUEWAYS)

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO PILOT

AIR PRESSURE SENSING TUBE

Next: End

NO GLOW SEEN - RESISTANCE

KIT - ELECTRODE HSI

Next: End

OBSERVATION FAN RUNS

KIT - RESET - SINGLE POLE HEATING SWITCH

Next: End

OBSERVATION FAN RUNS - OVERHEAT INVESTIGATION

SYSTEM PRESSURE / AIR IN SYSTEM

Next: End

OBSERVATION FAN RUNS - OVERHEAT INVESTIGATION - RUNNING SLOW

PUMP

Next: End

OBSERVATION FAN RUNS - OVERHEAT INVESTIGATION

Next: End

OVERHEAT INESTIGATION

KIT - THERMOSTAT HARNESS

Next: End

OBSERVATION FAN RUNS - OVERHEAT INVESTIGATION

KIT- POTENTIOMETER - HARNESS

Next: End

OPERATION CH - UP TO TEMP RADS COOL

SYSTEM PRESSURE / AIR IN SYSTEM

Next: End

OPERATION CH - UP TO TEMP RADS COOL - RUNNING SLOW

PUMP

Next: End

OPERATION CH - UP TO TEMP RADS COOL

Next: End

OBSERVATION PUMP OVERRUN

PC ADM BOARD

Next: End

OBSERVATION CH - SHUTS OFF FAN CONTINUES - PILOT SOLENOID

PC ADM BOARD

Next: End

FUSE INVESTIGATION - NOT WIRED TO PCB

PUMP

Next: End

OBSERVATION FAN RUNS - NO LEDS

KIT - MAINS HARNESS - CONTROL BOX

Next: End

NO LEDS

FUSE - MAINS

Next: End

NO LEDS

PCB FUSE

Next: End

NO LEDS - NO VOLTAGE TO EXT CONTROLS

PC ADM BOARD

Next: End

NO LEDS - EXT CONTROLS

HARNESS - EXT CONTROLS - RESET SWITCH - OVERHEAT

Next: End

NO LEDS - EXT CONTROLS - 1 WIRE

HARNESS - EXT CONTROLS - RESET SWITCH - OVERHEAT

Next: End

NO LEDS - OVERHEAT INVESTIGATION

SYSTEM PRESSURE / AIR IN SYSTEM

Next: End

NO LEDS - RUNNING SLOW

PUMP

Next: End

NO LEDS

Next: End

NO LEDS - OVERHEAT INESTIGATION

KIT - THERMOSTAT HARNESS

Next: End

NO LEDS - OVERHEAT INVESTIGATION

KIT- POTENTIOMETER - HARNESS

Next: End

NO LEDS PUMP RUNS

KIT- POTENTIOMETER - HARNESS

Next: End

NO LEDS - FLOW

KIT - THERMOSTAT HARNESS

Next: End

NO LEDS

KIT - PRESSURE SENSING TUBES

Next: End

NO LEDS

KIT - FAN ASSEMBLY - VENTURI

Next: End

NO LEDS - OPEN CIRCUIT

KIT - LIMIT THERMOSTAT

Next: End

NO LEDS

KIT - RESET - SINGLE POLE HEATING SWITCH

Next: End

NO LEDS - FAN

KIT - FAN HARNESS

Next: End

OBSERVATION FAN RUNS - OPEN CIRCUIT

KIT - LIMIT THERMOSTAT

Next: End

OBSERVATION FAN RUNS - LED3 FLASHING - FLOW

KIT - THERMOSTAT HARNESS

Next: End

OBSERVATION FAN RUNS - LED3 FLASHING - RETURN

KIT - THERMOSTAT HARNESS

Next: End

OPERATION CH - SHUTS DOWN TOO EARLY - RETURN

KIT - THERMOSTAT HARNESS

Next: End

OPERATION CH - SHUTS DOWN TOO EARLY - FLUE

KIT - THERMOSTAT HARNESS

Next: End

NO LEDS - RETURN

KIT - THERMOSTAT HARNESS

Next: End

NO LEDS - FLUE

KIT - THERMOSTAT HARNESS

Next: End

OBSERVATION FAN RUNS - FLUE

KIT - THERMOSTAT HARNESS

Next: End

OBSERVATION FAN RUNS - RETURN

KIT - THERMOSTAT HARNESS

Next: End

OBSERVATION PUMP RUNS

HARNESS - PUMP

Next: End

OBSERVATION BOILER IGNITES AND ESTABLISHES

KIT - RESET - SINGLE POLE HEATING SWITCH

Next: End

FUSE INVESTIGATION

KIT - THERMOSTAT HARNESS (FUSE INVESTIGATION)

Next: End

NO LEDS - POLARITY

Next: End

OBSERVATION FAN RUNS - LED4 ON LED3 OFF

KIT - PRESSURE SENSING TUBES

Next: End

OBSERVATION FAN RUNS - LED4 ON LED3 OFF

KIT - FAN ASSEMBLY - VENTURI

Next: End

OBSERVATION FAN RUNS - LED3 FLASHING - FLUE

KIT - THERMOSTAT HARNESS

Next: End

OVERHEAT INVESTIGATION

PUMP - NOT RUNNING

Next: End

OVERHEAT INVESTIGATION - NO VOLTAGE TO PUMP

PC ADM BOARD

Next: End

OVERHEAT INVESTIGATION

HARNESS - PUMP

Next: End

NO LEDS - OVERHEAT INVESTIGATION

PUMP - NOT RUNNING

Next: End

NO LEDS - OVERHEAT INVESTIGATION - NO VOLTAGE TO PUMP

PC ADM BOARD

Next: End

NO LEDS - OVERHEAT INVESTIGATION

HARNESS - PUMP

Next: End

LED 3 FLASHING FAST LED 4 OFFOVERHEAT INVESTIGATION

PUMP - NOT RUNNING

Next: End

LED 3 FLASHING FAST LED 4 OFF - NO VOLTAGE TO PUMP

PC ADM BOARD

Next: End

LED 3 FLASHING FAST LED 4 OFFOVERHEAT INVESTIGATION

HARNESS - PUMP

Next: End

LED 3 FLASHING FAST LED 4 OFF - OVERHEAT INVESTIGATION

SYSTEM PRESSURE / AIR IN SYSTEM

Next: End

LED 3 FLASHING FAST LED 4 OFF - OVERHEAT INVESTIGATION - RUNNING SLOW

PUMP

Next: End

LED 3 FLASHING FAST LED 4 OFF - OVERHEAT INVESTIGATION

Next: End

LED 3 FLASHING FAST LED 4 OFF OVERHEAT INESTIGATION

KIT - THERMOSTAT HARNESS

Next: End

LED 3 FLASHING FAST LED 4 OFF - OVERHEAT INVESTIGATION

KIT- POTENTIOMETER - HARNESS

Next: End

LED 3 FLASHING FAST LED 4 OFF - OPEN CIRCUIT

KIT - LIMIT THERMOSTAT

Next: End

LED 3 FLASHING FAST LED 4 - FLOW

KIT - THERMOSTAT HARNESS

Next: End

LED 3 FLASHING FAST LED 4 - RETURN

KIT - THERMOSTAT HARNESS

Next: End

LED 3 FLASHING FAST LED 4 - FLUE

KIT - THERMOSTAT HARNESS

Next: End

OPERATION DHW - WRONG TEMP

KIT- POTENTIOMETER - HARNESS

Next: End

FUSE INVESTIGATION (MAINS) INTERNAL FUSE

KIT - FIXINGS - GENERAL

Next: End

FUSE INVESTIGATION - MAINS INTERNAL FUSE

KIT - FAN ASSEMBLY

Next: End

FUSE INVESTIGATION INTERNAL FUSE

KIT - ELECTRODE HSI

Next: End

FUSE INVESTIGATION INTERNAL FUSE

KIT - THERMOSTAT HARNESS (FUSE INVESTIGATION)

Next: End

FUSE FURTHER INVESTIGATION (PCB)

FUSE FURTHER INVESTIGATION (PCB)

Next: End

FUSE INVESTIGATION - MAINS INTERNAL FUSE

PUMP

Next: End

BLANK FOR DIAGNOSTICS LITE 2

Z REDIRECT

Next: End

BLANK FOR QUICK ACCESS DATA AND INFORMATION

Z REDIRECT

Next: End

FLOW - QADAI

KIT - THERMOSTAT HARNESS

Next: End

RETURN - QADAI

KIT - THERMOSTAT HARNESS

Next: End

FLUE - QADAI

KIT - THERMOSTAT HARNESS

Next: End

NO VOLTAGE TO FAN QADAI

PC ADM BOARD

Next: End

INCORRECT RESISTANCE QADAI

KIT - FAN ASSEMBLY

Next: End

INCORRECT RESISTANCE QADAI

KIT - ELECTRODE HSI

Next: End

NO VOLTAGE TO HOT SURFACE IGNITOR QADAI

PC ADM BOARD

Next: End

NO VOLTAGE TO GAS VALVE QADAI

PC ADM BOARD

Next: End

NO VOLTAGE TO PUMP QADAI

PC ADM BOARD

Next: End

INCORRECT RESISTANCE QADAI

KIT- POTENTIOMETER - HARNESS

Next: End

OBSERVATION IS PUMP WIRED VIA BOILER QADAI 2

Z REDIRECT

Next: End

INFORMATION CASE REMOVAL

Z REDIRECT

Next: End

OPERATION CH - SHUTS DOWN TOO EARLY - FLOW

KIT - THERMOSTAT HARNESS

Next: End

OPERATION CH - SHUTS DOWN TOO EARLY

KIT- POTENTIOMETER - HARNESS

Next: End

OPERATION CH - RUNS BUT RADS COOL

SYSTEM PRESSURE / AIR IN SYSTEM

Next: End

TYPE OF DIAGNOSTIC PROCEDURE

Z REDIRECT

Next: End

FUSE INVESTIGATION - MAINS

KIT - FAN ASSEMBLY

Next: End

FUSE INVESTIGATION (MAINS)

KIT - FIXINGS - GENERAL

Next: End

OBSERVATION RUN BOILER TO MAX TEMP

KIT - THERMOSTAT HARNESS

Next: End

OBSERVATION BOILER STANDBY

Next: End

OBSERVATION PUMP RUNS

FUSE - MAINS

Next: End

OBSERVATION FAN RUNS

PCB FUSE

Next: End

OBSERVATION PUMP RUNS - NO VOLTAGE TO EXT CONTROLS

PC ADM BOARD

Next: End

OBSERVATION PUMP RUNS - EXT CONTROLS

HARNESS - EXT CONTROLS - RESET SWITCH - OVERHEAT

Next: End

OBSERVATION PUMP RUNS - EXT CONTROLS - 1 WIRE

HARNESS - EXT CONTROLS - RESET SWITCH - OVERHEAT

Next: End

OBSERVATION PUMP RUNS

KIT- POTENTIOMETER - HARNESS

Next: End

OBSERVATION FAN RUNS - FLOW

KIT - THERMOSTAT HARNESS

Next: End

OBSERVATION FAN RUNS

KIT - PRESSURE SENSING TUBES

Next: End

OBSERVATION FAN RUNS

KIT - FAN ASSEMBLY - VENTURI

Next: End

OBSERVATION FAN RUNS - LED ILLUMINATED - NO FAN

KIT - FAN HARNESS

Next: End

OBSERVATION PUMP RUNS

PUMP - NOT RUNNING

Next: End

OBSERVATION PUMP RUNS - NO VOLTAGE TO PUMP

PC ADM BOARD

Next: End

FAULT CODES

Z REDIRECT

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO MAIN BURNER

KIT - IGNITION ELECTRODE

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO MAIN BURNER

INJECTOR - PILOT BURNER / KIT - INJECTOR

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO MAIN BURNER - LOW PRESSURE

INLET PRESSURE

Next: End

OBSERVATION PILOT BURNER IGNITES - NO MAIN BURNER - NO PRESSURE

INLET PRESSURE

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO MAIN BURNER

PC ADM BOARD

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO MAIN BURNER

KIT - MAIN BURNER

Next: End

OBSERVATION PILOT & BURNER IGNITES - BAFFLES

INLET PRESSURE

Next: End

OBSERVATION PILOT BURNER IGNITES - BAFFLES - STIFF

KIT - FAN ASSEMBLY

Next: End

OBSERVATION PILOT BURNER IGNITES - BAFFLES

KIT - INSULATION

Next: End

OBSERVATION PILOT & BURNER IGNITES - BAFFLES

KIT - MAIN BURNER

Next: End

OBSERVATION PILOT BURNER IGNITES - BAFFLES

KIT - HEAT EXCHANGER (FLUEWAYS)

Next: End

OBSERVATION FAN RUNS - RUNS THEN STOPS - STIFF

KIT - FAN ASSEMBLY

Next: End

OBSERVATION FAN RUNS - RUNS THEN STOPS

KIT - PRESSURE SENSING TUBES

Next: End

OBSERVATION FAN RUNS - RUNS THEN STOPS

PRESSURE SWITCH

Next: End

OBSERVATION FAN RUNS - RUNS THEN STOPS

FLUE

Next: End

OBSERVATION FAN RUNS - RUNS THEN STOPS

KIT - FAN ASSEMBLY - VENTURI

Next: End

OBSERVATION FAN RUNS - RUNS THEN STOPS

KIT - HEAT EXCHANGER (FLUEWAYS)

Next: End

OBSERVATION FAN RUNS - RUNS THEN STOPS

AIR PRESSURE SENSING TUBE

Next: End

OBSERVATION FAN RUNS - RUNS THEN STOPS

PC ADM BOARD

Next: End

FUSE INVESTIGATION

KIT - ELECTRODE HSI

Next: End

FUSE INVESTIGATION - MAINS

PUMP

Next: End

BOTH LEDS FAST FLASH

Next: End

OPERATION CH - RUNS BUT RADS COOL

KIT - MAIN INJECTOR

Next: End

PRESSURE BURNER

GAS VALVE - ADJUSTMENT

Next: End

OPERATION CH - NOISY

KIT - HEAT EXCHANGER (WATERWAYS)

Next: End

COMBUSTION TEST FROM DIAGNOSTIC PROCEDURE

Z REDIRECT

Next: End

COMBUSTION TEST

GAS VALVE - ADJUSTMENT

Next: End

COMBUSTION TEST

NO FAULT - COMBUSTION TEST

Next: End

COMBUSTION TEST

KIT - GASKET GROMMET & BUSH

Next: End

COMBUSTION TEST

KIT - MAIN INJECTOR

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO PILOT

KIT - FAN HARNESS

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO PILOT - SLOW

KIT - FAN ASSEMBLY

Next: End

NO GLOW SEEN

KIT - ELECTRODE HSI

Next: End

OBSERVATION FAN RUNS - LED3 FLASHING SLOW

PC ADM BOARD

Next: End

OBSERVATION FAN RUNS - BOILER RESET FAN NOW RUNS

Z REDIRECT

Next: End

OBSERVATION FAN RUNS - WILL NOT RESET

KIT - LIMIT THERMOSTAT

Next: End

OBSERVATION FAN RUNS - OVERHEAT INVESTIGATION

NO FAULT - OVERHEAT INVESTIGATION

Next: End

OBSERVATION FAN RUNS - OVERHEAT INVESTIGATION

KIT - LIMIT THERMOSTAT

Next: End

OVERHEAT INVESTIGATION

PC ADM BOARD

Next: End

OPERATION CH - UP TO TEMP RADS COOL

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO MAIN BURNER

KIT - GAS VALVE LEAD HARNESS

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES

GAS VALVE - PILOT SOLENOID

Next: End

OBSERVATION BURNER IGNITES AND ESTABLISHES - DOES NOT IGNITE RESISTANCE WRONG

GAS VALVE

Next: End

NO APPARENT FAULT NOT WIRED TO PCB

FUSE FURTHER INVESTIGATION (MAINS)

Next: End

NO LEDS

KIT - MAINS HARNESS - CONTROL BOX

Next: End

NO LEDS

Next: End

NO LEDS FUSE FURTHER INVESTIGATION - MAINS

Z REDIRECT

Next: End

NO LEDS FUSE FURTHER INVESTIGATION - INTERNAL

Z REDIRECT

Next: End

NO LEDS

Next: End

NO LEDS - 1 WIRE

Next: End

NO LEDS - WILL NOT RESET

KIT - LIMIT THERMOSTAT

Next: End

NO LEDS

NO FAULT - OVERHEAT INVESTIGATION

Next: End

NO LEDS - OVERHEAT INVESTIGATION

KIT - LIMIT THERMOSTAT

Next: End

NO LEDS - OVERHEAT INVESTIGATION

PC ADM BOARD

Next: End

NO LEDS - BOILER RESET FAN NOW RUNS

Z REDIRECT

Next: End

NO LEDS - APS

KIT - FAN HARNESS

Next: End

NO LEDS

PRESSURE SWITCH

Next: End

NO LEDS - OVERHEAT

HARNESS - EXT CONTROLS - RESET SWITCH - OVERHEAT

Next: End

NO LEDS

PC ADM BOARD

Next: End

NO LEDS

KIT - FAN ASSEMBLY

Next: End

OBSERVATION FAN RUNS - LED 3 FLASHING FAST

HARNESS - EXT CONTROLS - RESET SWITCH - OVERHEAT

Next: End

OBSERVATION PUMP RUNS - LEDS 3 AND 4

PC ADM BOARD

Next: End

FUSE INVESTIGATION

GAS VALVE - PILOT SOLENOID

Next: End

FUSE INVESTIGATION - MAINS

GAS VALVE

Next: End

OBSERVATION PUMP RUNS - WIRED FROM BOILER

PUMP - NOT RUNNING

Next: End

OBSERVATION PILOT BURNER IGNITES - NO PILOT - IGNORING APS

PC ADM BOARD

Next: End

OBSERVATION FAN RUNS - LED4 ON LED3 OFF

PC ADM BOARD

Next: End

OBSERVATION FAN RUNS - LED4 ON LED3 OFF

KIT - FAN HARNESS

Next: End

OBSERVATION FAN RUNS - LED4 ON LED3 OFF

PRESSURE SWITCH

Next: End

OBSERVATION FAN RUNS - LED3 FLASHING FAST

PC ADM BOARD

Next: End

OVERHEAT INVESTIGATION - WIRED FROM BOILER

PUMP - NOT RUNNING

Next: End

NO LEDS - OVERHEAT INVESTIGATION - WIRED FROM BOILER

PUMP - NOT RUNNING

Next: End

LED 3 FLASHING FAST LED 4 OFF - WILL NOT RESET

KIT - LIMIT THERMOSTAT

Next: End

LED 3 FLASHING FAST LED 4 OFFOVERHEAT INVESTIGATION - WIRED FROM BOILER

PUMP - NOT RUNNING

Next: End

LED 3 FLASHING FAST LED 4 OFF - OVERHEAT INVESTIGATION

NO FAULT - OVERHEAT INVESTIGATION

Next: End

LED 3 FLASHING FAST LED 4 OFF - OVERHEAT INVESTIGATION

KIT - LIMIT THERMOSTAT

Next: End

LED 3 FLASHING FAST LED 4 OFF - OVERHEAT INVESTIGATION

PC ADM BOARD

Next: End

LED 3 FLASHING FAST LED 4 OFFOBSERVATION FAN RUNS - LED 3 FLASHING FAST

HARNESS - EXT CONTROLS - RESET SWITCH - OVERHEAT

Next: End

LED 3 FLASHING FAST LED 4 OFF - LED3 FLASHING FAST

PC ADM BOARD

Next: End

OPERATION DHW - WRONG TEMP

Next: End

FUSE INVESTIGATION - MAINS INTERNAL FUSE

KIT - FAN HARNESS

Next: End

FUSE INVESTIGATION - MAINS - MAIN SOLENOID INTERNAL FUSE

KIT - GAS VALVE LEAD HARNESS

Next: End

FUSE INVESTIGATION INTERNAL FUSE

GAS VALVE - PILOT SOLENOID

Next: End

FUSE INVESTIGATION - MAINS INTERNAL FUSE

GAS VALVE

Next: End

FUSE INVESTIGATION INTERNAL FUSE

PUMP WIRING

Next: End

PUMP VIA BOILER

FUSE FURTHER INVESTIGATION (PCB)

Next: End

BLANK FOR DIAGNOSICS LITE

Z REDIRECT

Next: End

BLANK FOR QUICK ACCESS DATA AND INFORMATION 2

Z REDIRECT

Next: End

FLOW THERMISTOR SATISFACTORY

RESULT AS EXPECTED

Next: End

RETURN THERMISTOR SATISFACTORY

RESULT AS EXPECTED

Next: End

FLUE THERMISTOR SATISFACTORY

RESULT AS EXPECTED

Next: End

FAN VOLTAGE SATISFACTORY

RESULT AS EXPECTED

Next: End

FAN RESISTANCE SATISFACTORY

RESULT AS EXPECTED

Next: End

HOT SURFACE IGNITOR RESISTANCE SATISFACTORY

RESULT AS EXPECTED

Next: End

HOT SURFACE IGNITOR VOLTAGE SATISFACTORY

RESULT AS EXPECTED

Next: End

GAS VALVE VOLTAGE SATISFACTORY

RESULT AS EXPECTED

Next: End

INCORRECT RESISTANCE QADAI

GAS VALVE - PILOT SOLENOID

Next: End

INCORRECT RESISTANCE QADAI

GAS VALVE

Next: End

GAS VALVE RESISTANCE SATISFACTORY

RESULT AS EXPECTED

Next: End

PUMP VOLTAGE SATISFACTORY

RESULT AS EXPECTED

Next: End

POTENTIOMETER SATISFACTORY

RESULT AS EXPECTED

Next: End

OBSERVATION IS PUMP WIRED VIA BOILER QADAI 1

Z REDIRECT

Next: End

OPERATION CH - SHUTS DOWN TOO EARLY

PC ADM BOARD

Next: End

OPERATION DHW - UNSATISFACTORY

Next: End

FUSE INVESTIGATION - MAINS - MAIN SOLENOID

KIT - GAS VALVE LEAD HARNESS

Next: End

OPERATION DHW - DOES NOT RESPOND

Next: End

OBSERVATION BOILER STANDBY

GAS VALVE

Next: End

FUSE INVESTIGATION - MAINS

KIT - FAN HARNESS

Next: End

OPERATION CH - SHUTS OFF FAN CONITNUES

GAS VALVE

Next: End

OPERATION CH - SHUTS OFF FAN CONITNUES

GAS VALVE - PILOT SOLENOID

Next: End

OBSERVATION RUN BOILER TO MAX TEMP

PC ADM BOARD

Next: End

OBSERVATION BOILER STANDBY

PC ADM BOARD

Next: End

OBSERVATION PUMP RUNS

Next: End

FUSE FURTHER INVESTIGATION - MAINS

Z REDIRECT

Next: End

OBSERVATION PUMP RUNS - NO LEDS

PC ADM BOARD

Next: End

FUSE FURTHER INVESTIGATION - INTERNAL

Z REDIRECT

Next: End

OBSERVATION PUMP RUNS

Next: End

OBSERVATION PUMP RUNS - 1 WIRE

Next: End

OBSERVATION FAN RUNS - ONLY I3 LED

PC ADM BOARD

Next: End

OBSERVATION FAN RUNS

KIT - FAN HARNESS

Next: End

OBSERVATION FAN RUNS

PRESSURE SWITCH

Next: End

OBSERVATION FAN RUNS - LED ILLUMINATED - NO FAN

KIT - FAN ASSEMBLY

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO MAIN BURNER - IGNORING RECTIFICATION

PC ADM BOARD

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO MAIN BURNER

GAS VALVE - ADJUSTMENT

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO MAIN BURNER

GAS VALVE

Next: End

OBSERVATION PILOT & BURNER IGNITES - NO MAIN BURNER

KIT - MAIN INJECTOR

Next: End

OBSERVATION PILOT BURNER IGNITES - BAFFLES

FLUE

Next: End

OBSERVATION FAN RUNS - RUNS THEN STOPS

KIT - FAN HARNESS

Next: End

OBSERVATION FAN RUNS - RUNS THEN STOPS - SLOW

KIT - FAN ASSEMBLY

Next: End

NO APPARENT FAULT

FUSE FURTHER INVESTIGATION (MAINS)

Next: End

FUSE INVESTIGATION

PUMP WIRING

Next: End

BOTH LEDS FAST FLASH

PC ADM BOARD

Next: End

CORK GASKET DAMAGED

CHARACTERISTIC TEST FROM INSPECTION INJECTOR AND GASKET

Next: !p1076

INJECTOR UNSATISFACTORY

CHARACTERISTIC TEST FROM INSPECTION INJECTOR AND GASKET

Next: !p1078

LED3 IS FLASHING SLOWLY, LED 4 IS OFF

CHARACTERISTIC TEST FROM OBSERVATION WHICH LEDS ARE ILLUMINATED

Next: p1207

OVERHEAT HAS TRIPPED BUT WILL NOT RESET

CHARACTERISTIC TEST FROM OBSERVATION HAS OVERHEAT TRIPPED

Next: !p1224

OVERHEAT HAS TRIPPED BUT RESETS - INVESTIGATE CAUSE OF OVERHEAT

CHARACTERISTIC TEST FROM OBSERVATION HAS OVERHEAT TRIPPED

Next: p1226

OVERHEAT TRIPS BEFORE 82 DEGREES

CHARACTERISTIC TEST FROM OBSERVATION RUN BOILER TO MAX TEMP (OVERHEAT)

Next: !p1242

BOILER SIGNIFICANTLY EXCEEDS 82 DEGREES AND BURNER REMAINS LIT

CHARACTERISTIC TEST FROM OBSERVATION RUN BOILER TO MAX TEMP (OVERHEAT)

Next: !p1244

PILOT SOLENOID RESISTANCE INCORRECT

CHARACTERISTIC TEST FROM RESISTANCE GAS VALVE SOLENOIDS

Next: !p1269

MAIN SOLENOID RESISTANCE INCORRECT

CHARACTERISTIC TEST FROM RESISTANCE GAS VALVE SOLENOIDS

Next: !p1271

OVERHEAT HAS TRIPPED BUT WILL NOT RESET

CHARACTERISTIC TEST FROM OBSERVATION HAS OVERHEAT TRIPPED

Next: !p1320

OVERHEAT HAS TRIPPED BUT RESETS - INVESTIGATE CAUSE OF OVERHEAT

CHARACTERISTIC TEST FROM OBSERVATION HAS OVERHEAT TRIPPED

Next: p1322

OVERHEAT TRIPS BEFORE 82 DEGREES

CHARACTERISTIC TEST FROM OBSERVATION RUN BOILER TO MAX TEMP (OVERHEAT)

Next: !p1338

BOILER SIGNIFICANTLY EXCEEDS 82 DEGREES AND BURNER REMAINS LIT

CHARACTERISTIC TEST FROM OBSERVATION RUN BOILER TO MAX TEMP (OVERHEAT)

Next: !p1340

PILOT SOLENOID RESISTANCE IS WRONG BUT MAIN SOLENOID IS OK

CHARACTERISTIC TEST FROM RESISTANCE GAS VALVE SOLENOIDS (FUSE INVESTIGATION)

Next: !p1430

MAIN SOLENOID RESISTANCE IS WRONG

CHARACTERISTIC TEST FROM RESISTANCE GAS VALVE SOLENOIDS (FUSE INVESTIGATION)

Next: !p1432

LED 4 ILLUMINATED, LED 3 IS OFF

CHARACTERISTIC TEST FROM OBSERVATION WHICH LEDS ARE ILLUMINATED

Next: p1524

OVERHEAT HAS TRIPPED BUT WILL NOT RESET

CHARACTERISTIC TEST FROM OBSERVATION HAS OVERHEAT TRIPPED

Next: !p1552

OVERHEAT HAS TRIPPED BUT RESETS - INVESTIGATE CAUSE OF OVERHEAT

CHARACTERISTIC TEST FROM OBSERVATION HAS OVERHEAT TRIPPED

Next: p1554

OVERHEAT TRIPS BEFORE 82 DEGREES

CHARACTERISTIC TEST FROM OBSERVATION RUN BOILER TO MAX TEMP (OVERHEAT)

Next: !p1576

BOILER SIGNIFICANTLY EXCEEDS 82 DEGREES AND BURNER REMAINS LIT

CHARACTERISTIC TEST FROM OBSERVATION RUN BOILER TO MAX TEMP (OVERHEAT)

Next: !p1578

PILOT SOLENOID RESISTANCE IS WRONG BUT MAIN SOLENOID IS OK

CHARACTERISTIC TEST FROM RESISTANCE GAS VALVE SOLENOIDS (FUSE INVESTIGATION)

Next: !p1607

MAIN SOLENOID RESISTANCE IS WRONG

CHARACTERISTIC TEST FROM RESISTANCE GAS VALVE SOLENOIDS (FUSE INVESTIGATION)

Next: !p1609

HEADER FLOW THERMISTOR

CHARACTERISTIC TEST FROM NEW QADAI OPTIONS

Next: p1623

HEADER RETURN THERMISTOR

CHARACTERISTIC TEST FROM NEW QADAI OPTIONS

Next: p1625

HEADER FLUE THERMISTOR

Next: p1627

HEADER FAN VOLTAGE

CHARACTERISTIC TEST FROM NEW QADAI OPTIONS

Next: p1629

HEADER FAN RESISTANCE

CHARACTERISTIC TEST FROM NEW QADAI OPTIONS

Next: p1631

HEADER HOT SURFACE IGNITOR RESISTANCE

CHARACTERISTIC TEST FROM NEW QADAI OPTIONS

Next: p1633

HEADER HOT SURFACE IGNITOR VOLTAGE

CHARACTERISTIC TEST FROM NEW QADAI OPTIONS

Next: p1635

HEADER GAS VALVE RESISTANCE

CHARACTERISTIC TEST FROM NEW QADAI OPTIONS

Next: p1674

HEADER GAS VALVE VOLTAGE

CHARACTERISTIC TEST FROM NEW QADAI OPTIONS

Next: p1639

HEADER PUMP VOLTAGE

CHARACTERISTIC TEST FROM NEW QADAI OPTIONS

Next: p1643

HEADER POTENTIOMETER

CHARACTERISTIC TEST FROM NEW QADAI OPTIONS

Next: p1645

HEADER DIAGNOSTICS LITE

CHARACTERISTIC TEST FROM NEW QADAI OPTIONS

Next: p1652

HEADER QADAI

CHARACTERISTIC TEST FROM NEW QADAI OPTIONS

Next: p1655

PILOT SOLENOID RESISTANCE IS WRONG BUT MAIN SOLENOID IS OK

CHARACTERISTIC TEST FROM RESISTANCE GAS VALVE SOLENOIDS (FUSE INVESTIGATION)

Next: !p1677

MAIN SOLENOID RESISTANCE IS WRONG

CHARACTERISTIC TEST FROM RESISTANCE GAS VALVE SOLENOIDS (FUSE INVESTIGATION)

Next: !p1679

HEADER PUMP WIRING

CHARACTERISTIC TEST FROM NEW QADAI OPTIONS

Next: p1688

BOILER REACHES TEMPERATURE BUT RADIATORS REMAIN COOL

CHARACTERISTIC TEST FROM OPERATION CH

Next: p1256

BOILER SHUTS DOWN BEFORE REACHING TEMPERATURE

CHARACTERISTIC TEST FROM OPERATION CH

Next: p229

CH OPERATES SATISFACTORILY BUT BOILER IS NOISY

CHARACTERISTIC TEST FROM OPERATION CH

Next: p1051

BOILER CONTINUES TO FIRE BUT RADIATORS ONLY GET WARM

CHARACTERISTIC TEST FROM OPERATION CH

Next: p270

DHW OPERATION UNSATISFACTORY

CHARACTERISTIC TEST FROM OPERATION DHW

Next: !p290

BOILER DOES NOT RUN WITH DHW DEMAND

CHARACTERISTIC TEST FROM OPERATION DHW

Next: !p380

BURNER SHUTS OFF EARLY BUT FAN CONTINUES TO RUN

CHARACTERISTIC TEST FROM OPERATION CH

Next: p390

BOILER FIRES WITH NO DEMAND

CHARACTERISTIC TEST FROM OBSERVATION BOILER STANDBY

Next: p743

PILOT STUCK ON

CHARACTERISTIC TEST FROM OBSERVATION BOILER STANDBY

Next: !p533

FAN DOES NOT RUN

CHARACTERISTIC TEST FROM OBSERVATION FAN RUNS

Next: p788

FAN ONLY RUNS FOR A FEW SECONDS AT A TIME (CYCLING)

CHARACTERISTIC TEST FROM OBSERVATION FAN RUNS

Next: p944

LED3 IS FLASHING FAST, LED 4 IS OFF

CHARACTERISTIC TEST FROM OBSERVATION WHICH LEDS ARE ILLUMINATED

Next: p1221

LEDS 3 AND 4 ARE ILLUMINATED

CHARACTERISTIC TEST FROM OBSERVATION WHICH LEDS ARE ILLUMINATED

Next: p796

NO LEDS ARE ILLUMINATED

CHARACTERISTIC TEST FROM OBSERVATION WHICH LEDS ARE ILLUMINATED

Next: p798

BURNER LIGHTS BUT BAFFLES OUT

CHARACTERISTIC TEST FROM OBSERVATION BURNER IGNITES AND ESTABLISHES

Next: p883

BURNER DOES NOT IGNITE

CHARACTERISTIC TEST FROM OBSERVATION BURNER IGNITES AND ESTABLISHES

Next: p1119

BURNER LIGHTS SMOOTHLY BUT GOES OUT AFTER APPROXIMATELY 10 SECONDS (DOES NOT ESTABLISH)

CHARACTERISTIC TEST FROM OBSERVATION BURNER IGNITES AND ESTABLISHES

Next: p889

NO BURNER PRESSURE MEASURED

CHARACTERISTIC TEST FROM PRESSURE BURNER (IGNITION)

Next: p921

BURNER PRESSURE PRESENT BUT LOW

CHARACTERISTIC TEST FROM PRESSURE BURNER (IGNITION)

Next: p923

27/01/2023 07:37:10 2212_1_50_1 28/02/2023 13:19:56

01/02/2023 09:54:32

Next: End

PRESSURE GAS INLET (OPERATION)

ATTACH A PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: !p1049, !f1050

PRESSURE BURNER (COMBUSTION)

ATTACH A PRESSURE GAUGE TO THE BURNER PRESSURE TEST POINT

Next: !p1058, f1059

PRESSURE GAS INLET (OPERATION)

ATTACH A PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: !p1060, !f1061

INSPECTION INSULATION PADS

Next: p1063, !f1064

INSPECTION FAN FREE TO TURN

Next: p1185, !f1186

RESISTANCE AIR PRESSURE SWITCH WITH KIT

REMOVE THE WIRES AND

Next: !p1191, !f1192

RESISTANCE HOT SURFACE IGNITOR

DISCONNECT PLUG MARKED CON12 FROM THE PCB

Next: p1202, !f1203

RESISTANCE RESET SWITCH

DISCONNECT PLUG MARKED CON9 FROM THE PCB

Next: !p1209, !f1210

RESISTANCE GAS VALVE SOLENOIDS

DISCONNECT LEADS FROM THE TWO GAS VALVE SOLENOIDS

Next: !p1267, ?1268, ?1270

RESISTANCE PUMP

REMOVE PUMP COVER / PLUG

Next: !p1282, !f1281

VOLTAGE MAINS POWER IN AT PCB

Next: p1450, f1295

VOLTAGE MAINS POWER IN AT TERMINAL BLOCK

{GAINPCBACS}

Next: !p1296, f1297

RESISTANCE MAINS FUSE

REMOVE THE FUSE FROM THE FUSED SPUR

Next: !p1298, f1299

FUSE FURTHER INVESTIGATION (PCB)

THE INFORMATION PROV

Next: !p1300, !f1301

FUSE FURTHER INVESTIGATION

THE INFORMATION PROV

Next: !p1304, !f1305

OBSERVATION HOW ARE EXTERNAL CONTROLS WIRED

Next: p1308, f1309

VOLTAGE EXTERNAL CONTROLS AT PCB (PERMANENT)

{GAINPCBACS}

Next: p1310, !f1311

OBSERVATION HAS OVERHEAT TRIPPED

ENSURE BOILER IS COOL

Next: p1318, ?1319, ?1321

RESISTANCE THERMISTOR - FLOW

DISCONNECT CON10 FROM PCB

Next: p1384, !f1346

RESISTANCE AIR PRESSURE SWITCH (N/C)

REMOVE THE WIRES FROM THE AIR PRESSURE SWITCH (NOTING THEIR LOCATIONS)

Next: !p1349, f1350

INSPECTION AIR PRESSURE SWITCH TUBES

Next: p1351, !f1352

RESISTANCE OVERHEAT THERMOSTAT

DISCONNECT LEADS FROM OVERHEAT THERMOSTAT

Next: !p1357, !f1358

RESISTANCE OVERHEAT THERMOSTAT

DISCONNECT LEADS FROM OVERHEAT THERMOSTAT

Next: !p1365, !f1366

RESISTANCE RESET SWITCH

DISCONNECT PLUG MARKED CON9 FROM THE PCB

Next: !p1437, !f1438

RESISTANCE AIR PRESSURE SWITCH (N/C)

REMOVE THE WIRES FROM THE AIR PRESSURE SWITCH (NOTING THEIR LOCATIONS)

Next: !p1527, f1528

INSPECTION AIR PRESSURE SWITCH TUBES

Next: p1529, !f1530

OBSERVATION IS PUMP WIRED VIA BOILER

{GAINPCBACS}

Next: p1536, !f1537

OBSERVATION IS PUMP WIRED VIA BOILER

{GAINPCBACS}

Next: p1543, !f1544

OBSERVATION HAS OVERHEAT TRIPPED

ENSURE BOILER IS COOL

Next: p1550, ?1551, ?1553

OBSERVATION IS PUMP WIRED VIA BOILER

{GAINPCBACS}

Next: p1557, !f1558

RESISTANCE OVERHEAT THERMOSTAT

DISCONNECT LEADS FROM OVERHEAT THERMOSTAT

Next: !p1581, !f1582

RESISTANCE POTENTIOMETER

DISCONNECT POTENTIOMETER PLUG FROM PCB

Next: !p1591, !f1592

INSPECTION PCB FITTED SECURELY

Next: p1595, !f1596

RESISTANCE FAN (FUSE INVESTIGATION)

DISCONNECT LEADS FROM FAN (TAKE CARE NOT TO DAMAGE SPADES)

Next: !p1599, !f1600

RESISTANCE GAS VALVE SOLENOIDS (FUSE INVESTIGATION)

DISCONNECT LEADS FROM THE TWO GAS VALVE SOLENOIDS

Next: !p1605, ?1606, ?1608

RESISTANCE PUMP

REMOVE PUMP COVER / PLUG

Next: !p1618, !f1619

INSPECTION PCB FITTED SECURELY

Next: p534, !f551

RESISTANCE GAS VALVE SOLENOIDS (FUSE INVESTIGATION)

DISCONNECT LEADS FROM THE TWO GAS VALVE SOLENOIDS

Next: !p351, ?1429, ?1431

RESISTANCE FAN (FUSE INVESTIGATION)

DISCONNECT LEADS FROM FAN (TAKE CARE NOT TO DAMAGE SPADES)

Next: !p549, !f550

VOLTAGE GAS VALVE AT PCB (DROPPING OUT)

{GAINPCBACS}

Next: !p593, !f1265

RESISTANCE THERMISTOR - FLOW

DISCONNECT CON10 FROM PCB

Next: !p741, !f742

RESISTANCE MAINS FUSE

REMOVE THE FUSE FROM THE FUSED SPUR

Next: !p801, f802

FUSE FURTHER INVESTIGATION

THE INFORMATION PROV

Next: !p803, !f804

FUSE FURTHER INVESTIGATION (PCB)

THE INFORMATION PROV

Next: !p807, !f808

OBSERVATION HOW ARE EXTERNAL CONTROLS WIRED

Next: p811, f812

VOLTAGE EXTERNAL CONTROLS AT PCB (PERMANENT)

{GAINPCBACS}

Next: p813, !f814

RESISTANCE AIR PRESSURE SWITCH AND HARNESS (N/C)

DISCONNECT PLUG MARKED CON11 AT THE PCB

Next: !p825, f826

RESISTANCE AIR PRESSURE SWITCH (N/C)

REMOVE THE WIRES FROM THE AIR PRESSURE SWITCH (NOTING THEIR LOCATIONS)

Next: !p827, f828

INSPECTION AIR PRESSURE SWITCH TUBES

Next: p829, !f830

OBSERVATION IS PUMP WIRED VIA BOILER

{GAINPCBACS}

Next: p837, !f838

RESISTANCE AIR PRESSURE SWITCH WITH KIT

REMOVE THE WIRES AND

Next: !p951, !f952

RESISTANCE PUMP

REMOVE PUMP COVER / PLUG

Next: !p993, !f994

SOCKET AND SEE POLARITY CHECK

{GAINPCBACS}

Next: !p997, !f998

INSPECTION BURNER

REMOVE BURNER ASSEMBLY

Next: !p1045, !f1046

INSPECTION SYSTEM FILLED AND VENTED

Next: p1052, !f1053

PUMP LIMPET TEST

Next: !p1054, !f1055

INSPECTION BURNER FITTED CORRECTLY

Next: p1065, !f1066

INSPECTION BURNER

REMOVE BURNER ASSEMBLY

Next: p1067, !f1068

INSPECTION HEAT EXCHANGER

REMOVE FAN & HOOD ASSEMBLY
REMOVE HEAT EXCHANGER BAFFLES

Next: p1069, !f1070

INSPECTION FLUE

Next: p1071, !f1072

INSPECTION INJECTOR AND GASKET

REMOVE BURNER ASSEMBLY

Next: !p1073, ?1075, ?1077

OBSERVATION GLOW PRESENT

GAIN ACCESS TO COMBUSTION CHAMBER

Next: p885, f1201

VOLTAGE AIR PRESSURE SWITCH (N/O)

Next: p1079, f1184

INSPECTION AIR PRESSURE SWITCH TUBES

Next: p1187, !f1188

RESISTANCE AIR PRESSURE SWITCH AND HARNESS WITH KIT

REMOVE THE TUBES FRO

Next: p1189, f1190

INSPECTION FLUE

Next: p1193, !f1194

INSPECTION FAN VENTURI

REMOVE FAN VENTURI FROM FAN

Next: p1195, !f1196

INSPECTION HEAT EXCHANGER

REMOVE FAN & HOOD ASSEMBLY
REMOVE HEAT EXCHANGER BAFFLES

Next: p1197, !f1198

INSPECTION SENSING TUBE

REMOVE FAN FROM HOOD ASSEMBLY

Next: !p1199, !f1200

VOLTAGE HOT SURFACE IGNITOR AT PCB

Next: !p1204, f1436

OBSERVATION RESET BOILER

Next: !p1211, f1208

OBSERVATION HAS OVERHEAT TRIPPED

ENSURE BOILER IS COOL

Next: p1222, ?1223, ?1225

RESISTANCE OVERHEAT THERMOSTAT AND HARNESS

DISCONNECT PLUG MARKED CON9 FROM THE PCB

Next: p1245, f1364

OBSERVATION PUMP RUNNING

LOCATE SYSTEM PUMP

Next: p1227, f1535

INSPECTION SYSTEM FILLED AND VENTED

Next: p1229, !f1230

PUMP LIMPET TEST

Next: p1231, !f1232

INSPECTION EXTERNAL BYPASS

Next: p1233, !f1234

RESISTANCE THERMISTOR - FLOW

DISCONNECT CON10 FROM PCB

Next: p1235, !f1236

RESISTANCE POTENTIOMETER

DISCONNECT POTENTIOMETER PLUG FROM PCB

Next: p1237, !f1238

OBSERVATION RUN BOILER TO MAX TEMP (OVERHEAT)

ATTACH A TEMPERATURE

Next: !p1239, ?1241, ?1243

RESISTANCE THERMISTOR - FLOW

DISCONNECT CON10 FROM PCB

Next: p1368, !f1367

INSPECTION SYSTEM FILLED AND VENTED

Next: p1257, !f1258

PUMP LIMPET TEST

Next: p1259, !f1260

INSPECTION EXTERNAL BYPASS

Next: !p1261, !f1262

OBSERVATION IS PUMP WIRED VIA BOILER

{GAINPCBACS}

Next: p987, f1280

VOLTAGE MAINS POWER IN AT PCB

Next: p799, !f1291

RESISTANCE PCB FUSE

REMOVE PCB FUSE FROM HOLDER

Next: p1302, f1303

VOLTAGE EXTERNAL CONTROLS AT PCB (DEMAND)

{GAINPCBACS}

Next: p1306, f1307

VOLTAGE FAN AT PCB

{GAINPCBACS}

Next: p1316, f1317

RESISTANCE HARNESS EXTERNAL CONTROLS (1 WIRE)

DISCONNECT PLUG MARKED CON6 AT THE PCB

Next: !p1314, !f1315

RESISTANCE HARNESS EXTERNAL CONTROLS

DISCONNECT PLUG MARKED CON6 AT THE PCB

Next: !p1312, !f1313

VOLTAGE FAN AT FAN

REMOVE COMBUSTION CASE

Next: !p1361, !f1362

OBSERVATION DISCONNECT POTENTIOMETER

DISCONNECT POTENTIOMETER AT THE PCB

Next: p1341, !f1342

OBSERVATION PUMP RUNNING

LOCATE SYSTEM PUMP

Next: p1323, f1542

INSPECTION SYSTEM FILLED AND VENTED

Next: p1325, !f1326

PUMP LIMPET TEST

Next: p1327, !f1328

INSPECTION EXTERNAL BYPASS

Next: p1329, !f1330

RESISTANCE THERMISTOR - FLOW

DISCONNECT CON10 FROM PCB

Next: p1331, !f1332

RESISTANCE POTENTIOMETER

DISCONNECT POTENTIOMETER PLUG FROM PCB

Next: p1333, !f1334

OBSERVATION RUN BOILER TO MAX TEMP (OVERHEAT)

ATTACH A TEMPERATURE

Next: !p1335, ?1337, ?1339

OBSERVATION RESET BOILER (FAULT CODE)

Next: !p1343, f1344

RESISTANCE AIR PRESSURE SWITCH AND HARNESS (N/C)

DISCONNECT PLUG MARKED CON11 AT THE PCB

Next: p1347, f1348

RESISTANCE OVERHEAT THERMOSTAT AND HARNESS

DISCONNECT PLUG MARKED CON9 FROM THE PCB

Next: p1355, f1356

INSPECTION FAN VENTURI

REMOVE FAN VENTURI FROM FAN

Next: !p1353, !f1354

RESISTANCE RESET SWITCH

DISCONNECT PLUG MARKED CON9 FROM THE PCB

Next: !p1359, !f1360

RESISTANCE THERMISTOR - RETURN

DISCONNECT CON10 FROM PCB

Next: p1369, !f1370

RESISTANCE THERMISTOR - FLUE 125K @ 21 TO 550 @ 200 DEG

DISCONNECT CON10 FROM PCB

Next: !p1534, !f1533

RESISTANCE THERMISTOR - RETURN

DISCONNECT CON10 FROM PCB

Next: p1378, !f1382

RESISTANCE THERMISTOR - FLUE 125K @ 21 TO 550 @ 200 DEG

DISCONNECT CON10 FROM PCB

Next: p240, !f1383

RESISTANCE THERMISTOR - RETURN

DISCONNECT CON10 FROM PCB

Next: p1400, !f1416

RESISTANCE THERMISTOR - FLUE 125K @ 21 TO 550 @ 200 DEG

DISCONNECT CON10 FROM PCB

Next: p1345, !f1417

RESISTANCE THERMISTOR - RETURN

DISCONNECT CON10 FROM PCB

Next: p1424, !f1427

RESISTANCE THERMISTOR - FLUE 125K @ 21 TO 550 @ 200 DEG

DISCONNECT CON10 FROM PCB

Next: !p1425, !f1426

RESISTANCE HARNESS PUMP

DISCONNECT PLUG MARKED CON11 AT THE PCB

Next: !p1434, !f1435

INSPECTION THERMISTORS

Next: p1272, !f1449

SOCKET AND SEE POLARITY CHECK

{GAINPCBACS}

Next: p1294, !f1517

RESISTANCE AIR PRESSURE SWITCH AND HARNESS (N/C)

DISCONNECT PLUG MARKED CON11 AT THE PCB

Next: !p1525, f1526

INSPECTION FAN VENTURI

REMOVE FAN VENTURI FROM FAN

Next: !p1531, !f1532

VOLTAGE PUMP AT PCB

Next: p1538, !f1539

RESISTANCE HARNESS PUMP

DISCONNECT PLUG MARKED CON11 AT THE PCB

Next: !p1540, !f1541

VOLTAGE PUMP AT PCB

Next: p1545, !f1546

RESISTANCE HARNESS PUMP

DISCONNECT PLUG MARKED CON11 AT THE PCB

Next: !p1547, !f1548

RESISTANCE OVERHEAT THERMOSTAT AND HARNESS

DISCONNECT PLUG MARKED CON9 FROM THE PCB

Next: p1579, f1580

OBSERVATION PUMP RUNNING

LOCATE SYSTEM PUMP

Next: p1555, f1556

INSPECTION SYSTEM FILLED AND VENTED

Next: p1563, !f1564

VOLTAGE PUMP AT PCB

Next: p1559, !f1560

RESISTANCE HARNESS PUMP

DISCONNECT PLUG MARKED CON11 AT THE PCB

Next: !p1561, !f1562

PUMP LIMPET TEST

Next: p1565, !f1566

INSPECTION EXTERNAL BYPASS

Next: p1567, !f1568

RESISTANCE THERMISTOR - FLOW

DISCONNECT CON10 FROM PCB

Next: p1569, !f1570

RESISTANCE POTENTIOMETER

DISCONNECT POTENTIOMETER PLUG FROM PCB

Next: p1571, !f1572

OBSERVATION RUN BOILER TO MAX TEMP (OVERHEAT)

ATTACH A TEMPERATURE

Next: !p1573, ?1575, ?1577

RESISTANCE THERMISTOR - FLOW

DISCONNECT CON10 FROM PCB

Next: p1583, !f1584

RESISTANCE THERMISTOR - RETURN

DISCONNECT CON10 FROM PCB

Next: p1585, !f1586

RESISTANCE THERMISTOR - FLUE 125K @ 21 TO 550 @ 200 DEG

DISCONNECT CON10 FROM PCB

Next: !p1587, !f1588

RESISTANCE FAN AND HARNESS (FUSE INVESTIGATION)

DISCONNECT PLUG MARKED CON11 AT THE PCB

Next: p1597, f1598

RESISTANCE HOT SURFACE IGNITOR (FUSE INVESTIGATION)

DISCONNECT PLUG MARKED CON12 FROM THE PCB

Next: p1601, !f1602

RESISTANCE GAS VALVE AND HARNESS (FUSE INVESTIGATION)

DISCONNECT PLUG MARKED CON14 AT THE PCB

Next: p1603, f1604

INSPECTION THERMISTORS

Next: p1610, !f1611

OBSERVATION IS PUMP WIRED VIA BOILER

{GAINPCBACS}

Next: p1612, !f1613

RESISTANCE PUMP AND HARNESS

DISCONNECT PLUG MARKED CON3 AT THE PCB

Next: !p1620, f1617

RESISTANCE THERMISTOR - FLOW

DISCONNECT CON10 FROM PCB

Next: !p1658, !f1659

RESISTANCE THERMISTOR - RETURN

DISCONNECT CON10 FROM PCB

Next: !p1660, !f1661

RESISTANCE THERMISTOR - FLUE 125K @ 21 TO 550 @ 200 DEG

DISCONNECT CON10 FROM PCB

Next: !p1662, !f1663

VOLTAGE FAN AT PCB

{GAINPCBACS}

Next: !p1664, !f1665

RESISTANCE FAN (FUSE INVESTIGATION)

DISCONNECT LEADS FROM FAN (TAKE CARE NOT TO DAMAGE SPADES)

Next: !p1666, !f1667

RESISTANCE HOT SURFACE IGNITOR (FUSE INVESTIGATION)

DISCONNECT PLUG MARKED CON12 FROM THE PCB

Next: !p1668, !f1669

VOLTAGE HOT SURFACE IGNITOR AT PCB

Next: !p1670, !f1671

VOLTAGE GAS VALVE AT PCB

{GAINPCBACS}

Next: !p1672, !f1673

VOLTAGE PUMP AT PCB (QADAI)

Next: !p1683, !f1684

RESISTANCE POTENTIOMETER

DISCONNECT POTENTIOMETER PLUG FROM PCB

Next: !p1685, !f1686

DIAGNOSTICS LITE

DIAGNOSIS RELIES ON

Next: !p1653, !f1654

QUICK ACCESS DATA AND INFORMATION

THE TABLE BELOW SHOW

Next: !p1656, !f1657

RESISTANCE GAS VALVE SOLENOIDS (FUSE INVESTIGATION)

DISCONNECT LEADS FROM THE TWO GAS VALVE SOLENOIDS

Next: !p1680, ?1676, ?1678

OBSERVATION IS PUMP WIRED VIA BOILER QADAI

{GAINPCBACS}

Next: !p1689, !f1690

RESISTANCE THERMISTOR - FLOW

DISCONNECT CON10 FROM PCB

Next: p1374, !f242

RESISTANCE POTENTIOMETER

DISCONNECT POTENTIOMETER PLUG FROM PCB

Next: !p258, !f244

INSPECTION SYSTEM FILLED AND VENTED

Next: p1044, !f278

RESISTANCE GAS VALVE AND HARNESS (FUSE INVESTIGATION)

DISCONNECT PLUG MARKED CON14 AT THE PCB

Next: p1439, f350

OBSERVATION PILOT

Next: !p591, f592

RESISTANCE FAN AND HARNESS (FUSE INVESTIGATION)

DISCONNECT PLUG MARKED CON11 AT THE PCB

Next: p972, f548

VOLTAGE EXTERNAL CONTROLS AT PCB (NO DEMAND)

{GAINPCBACS}
ENSURE NO DEMANDS

Next: !p744, !f745

OBSERVATION WHICH LEDS ARE ILLUMINATED

{GAINPCBACS}

Next: p791, ?793, ?795, ?797, ?1206, ?1522

VOLTAGE FAN AT PCB

{GAINPCBACS}

Next: p823, f824

VOLTAGE EXTERNAL CONTROLS AT PCB (DEMAND)

{GAINPCBACS}

Next: p809, f810

VOLTAGE MAINS POWER IN AT TERMINAL BLOCK

{GAINPCBACS}

Next: p1285, f800

RESISTANCE PCB FUSE

REMOVE PCB FUSE FROM HOLDER

Next: !p805, f806

OBSERVATION DISCONNECT POTENTIOMETER

DISCONNECT POTENTIOMETER AT THE PCB

Next: p819, !f820

RESISTANCE HARNESS EXTERNAL CONTROLS (1 WIRE)

DISCONNECT PLUG MARKED CON6 AT THE PCB

Next: !p817, !f818

RESISTANCE HARNESS EXTERNAL CONTROLS

DISCONNECT PLUG MARKED CON6 AT THE PCB

Next: !p815, !f816

RESISTANCE THERMISTOR - FLOW

DISCONNECT CON10 FROM PCB

Next: p1423, !f822

VOLTAGE FAN AT FAN

REMOVE COMBUSTION CASE

Next: !p833, !f834

INSPECTION FAN VENTURI

REMOVE FAN VENTURI FROM FAN

Next: !p831, !f832

VOLTAGE PUMP AT PCB

Next: p1433, !f840

PRESSURE GAS INLET

ATTACH A PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: p934, !f935

PRESSURE BURNER (IGNITION)

ATTACH A PRESSURE GAUGE TO THE BURNER PRESSURE TEST POINT

Next: p918, ?920, ?922

INSPECTION ELECTRODE AND LEAD

DISCONNECT FLAME SEN

Next: p890, !f891

INSPECTION PILOT ASSEMBLY

REMOVE BURNER
REMOVE MAIN & PILOT INJECTOR ASSEMBLY
REMOVE PILOT INJECTOR

Next: !p892, !f893

INSPECTION BURNER

REMOVE BURNER ASSEMBLY

Next: !p932, !f933

PRESSURE GAS INLET

ATTACH A PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: p926, !f927

PRESSURE GAS INLET

ATTACH A PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: !p924, !f925

VOLTAGE GAS VALVE AT PCB

{GAINPCBACS}

Next: p928, !f929

RESISTANCE GAS VALVE AND HARNESS

DISCONNECT PLUG MARKED CON14 AT THE PCB

Next: !p930, f1266

INSPECTION FAN FREE TO TURN

Next: p936, !f937

INSPECTION INSULATION PADS

Next: p938, !f939

INSPECTION BURNER

REMOVE BURNER ASSEMBLY

Next: p940, !f941

INSPECTION HEAT EXCHANGER

REMOVE FAN & HOOD ASSEMBLY
REMOVE HEAT EXCHANGER BAFFLES

Next: !p942, !f943

INSPECTION FAN FREE TO TURN

Next: p945, !f946

INSPECTION AIR PRESSURE SWITCH TUBES

Next: p947, !f948

RESISTANCE AIR PRESSURE SWITCH AND HARNESS WITH KIT

REMOVE THE TUBES FRO

Next: p961, f950

INSPECTION FLUE

Next: p953, !f954

INSPECTION FAN VENTURI

REMOVE FAN VENTURI FROM FAN

Next: p955, !f956

INSPECTION HEAT EXCHANGER

REMOVE FAN & HOOD ASSEMBLY
REMOVE HEAT EXCHANGER BAFFLES

Next: p957, !f958

INSPECTION SENSING TUBE

REMOVE FAN FROM HOOD ASSEMBLY

Next: !p959, !f960

OBSERVATION FAN RUNS CONTINUALLY WITH APS MADE

REMOVE THE TUBES FRO

Next: p949, !f971

RESISTANCE HOT SURFACE IGNITOR (FUSE INVESTIGATION)

DISCONNECT PLUG MARKED CON12 FROM THE PCB

Next: p297, !f986

RESISTANCE PUMP AND HARNESS

DISCONNECT PLUG MARKED CON3 AT THE PCB

Next: !p988, f992

System Information

  • Total Tests: 544
  • Sequence Logic: Decoded from encrypted .seq file
  • Navigation: Dynamic based on pass/fail results
  • Source: 4731307 GW SWIFTFLOW 100 SIT Control