XSol Diagnostic System

IDEAL ICOS (M3080) FROM SERIAL NUMBER TN 154299 0000 4601

GLOBALLY REPLACED

Next: &110, *

NO FAULT FOUND

Next: nff

IDEAL ICOS (M3080) FROM SERIAL NUMBER TN 154299 0000 4601

{ISOLATEMAINSPOWER}<

Next: &112, !f111

SYSTEM CHECKS

{ISOLATEMAINSPOWER}
PLEASE ENSURE THE FOLLOWING SYSTEM CHECKS ARE COMPLETED

Next: &741, !f113

BURNER ESTABLISHES

BOILER ON/OFF SWITCH ON

Next: &168, f794

CH OPERATION SATISFACTORY

BOILER ON/OFF SWITCH ON

Next: &179, ?311, ?585, ?594

DHW DEMAND

DHW DEMAND
BOILER ON/OFF SWITCH ON

Next: &221, f229

CH BURNER MODULATION

BOILER ON/OFF SWITCH ON
BOILER CH THERMOSTAT TO MAXIMUM

Next: &nff, f732

BURNER IGNITES

BOILER ON/OFF SWITCH ON

Next: &160, f813

PUMP RUNS

LOCATE PUMP POSITION ON SYSTEM
BOILER ON/OFF SWITCH ON

Next: &325, f688

FAN RUNS

BOILER ON/OFF SWITCH ON

Next: &687, f742

ELECTRICAL SAFETY CHECKS

Next: End

SYSTEM CHECKS

Next: End

NOT CALLING CH DEMAND

PCB

Next: End

CH OPERATION SATISFACTORY

TRAP AND SEAL

Next: End

RADIATORS COOL BOILER TO TEMPERATURE

Next: End

CH OPERATION SATISFACTORY

Next: End

CH OPERATION SATISFACTORY

PUMP

Next: End

CH OPERATION

PUMP

Next: End

PUMP RUNS

PUMP WIRING FAULT

Next: End

PREMATURE SHUT DOWN

PUMP

Next: End

PREMATURE SHUT DOWN

Next: End

CH OPERATION

TRAP AND SEAL

Next: End

PREMATURE SHUT DOWN

THERMISOTR - BOILER CONTROL

Next: End

PREMATURE SHUT DOWN

USER CONTROLS

Next: End

CH BURNER MODULATION

USER CONTROLS

Next: End

MODULATION

THERMISOTR - BOILER CONTROL

Next: End

NO POWER TO HALL SENSOR

HARNESS FAN

Next: End

FAN RUNS

Next: End

FAN RUNS

FUSE

Next: End

PUMP RUNS

Next: End

FAN RUNS

THERMISOTR - BOILER CONTROL

Next: End

PUMP RUNS

THERMOSTAT DRY FIRE

Next: End

NO POWER TO RUN FAN

HARNESS FAN

Next: End

DOES NOT RECTIFY

GAS INLET PRESSURE

Next: End

BURNER ESTABLISHES

FLAME SENSING ELECTRODE

Next: End

BURNER ESTABLISHES

TRAP AND SEAL

Next: End

BURNER ESTABLISHES

PRIMARY FLUE SEAL

Next: End

DOES NOT ESTABLISH

FLUE

Next: End

DOES NOT ESTABLISH

INJECTOR & HOUSING

Next: End

NOT RECTIFYING

FLAME SENSING ELECTRODE (GAP)

Next: End

RESTRICTED OR BLOCKED 2

HEAT ENGINE (FLUEWAYS)

Next: End

BURNER ESTABLISHES

BURNER

Next: End

BURNER IGNITES

IGNITION ELECTRODE

Next: End

BURNER IGNITES

THERMOSTAT - OVERHEAT

Next: End

NOT IGNITING

IMPULSE TUBE

Next: End

SPARKING PRESENT BUT NO IGNITION

PCB

Next: End

BURNER IGNITES

GAS INLET PRESSURE

Next: End

BURNER IGNITES

TRAP AND SEAL

Next: End

BURNER IGNITES

FLUE

Next: End

BURNER IGNITES

INJECTOR & HOUSING

Next: End

ELECTRODE SPARKING

IGNITION ELECTRODE (WARPED)

Next: End

RESTRICTED OR BLOCKED

HEAT ENGINE (FLUEWAYS)

Next: End

BURNER IGNITES

BURNER

Next: End

STOPPING FAN FROM RUNNING

FLAME SENSING ELECTRODE

Next: End

FAN HAS DAMAGED PCB

PCB AND FAN

Next: End

FAN HAS DAMAGED PCB 2

PCB AND FAN

Next: End

FAN HAS DAMAGED PCB 3

PCB AND FAN

Next: End

CH DEMAND

PCB

Next: End

RADIATORS COOL, BOILER TO TEMPERATURE

Next: End

CH OPERATION SATISFACTORY

HEAT ENGINE

Next: End

PUMP RUNS

PUMP

Next: End

DHW DEMAND

Next: End

PREMATURE SHUT DOWN

PCB

Next: End

CH BURNER MODULATION

PCB

Next: End

FAN RUNS

MAINS SWITCH

Next: End

FAN RUNS

EMC FILTER

Next: End

FAN RUNS

PERMANENT BLACK LINK

Next: End

FAN RUNS

FAN

Next: End

NOT RECTIFYING

PCB

Next: End

NOT IGNITING

IGNITION ELECTRODE (GAP)

Next: End

NO SPARKING PRESENT AT ELECTRODE

PCB

Next: End

BURNER IGNITES

GAS VALVE

Next: End

FAN RUNS

PCB

Next: End

NO HALL SENSOR VOLTAGE

PCB

Next: End

NO POWER TO MAINS SWITCH

PCB

Next: End

BOILER KETTLING

CHARACTERISTIC TEST FROM CH OPERATION SATISFACTORY

Next: p525

RADIATORS COOL, BOILER TO TEMPERATURE

CHARACTERISTIC TEST FROM CH OPERATION SATISFACTORY

Next: p587

PREMATURE SHUTDOWN

CHARACTERISTIC TEST FROM CH OPERATION SATISFACTORY

Next: p704

SPARK GAP CORRECT BUT NO SPARK PRESENT

CHARACTERISTIC TEST FROM SPARK ELECTRODE AND GAP

Next: p816

SPARK GAP INCORRECT

CHARACTERISTIC TEST FROM SPARK ELECTRODE AND GAP

Next: !p818

08/10/2019 11:08:27 1910_1_50_1 20/11/2019 10:05:23

25/10/2019 08:29:50

Next: End

EXTERNAL CONTROLS CALLING

{ISOLATEMAINSPOWER}<

Next: !p230, f231

EXTERNAL CONTROLS INPUT

{ISOLATEMAINSPOWER}
GAIN ACCESS TO APPLIANCE TERMINAL BLOCK CONNECTIONS

Next: !p716, !f371

PUMP VOLTAGE

{ISOLATEMAINSPOWER}
REMOVE PUMP COVER
BOILER ON/OFF SWITCH ON

Next: !p689, !f690

CONTROL THERMISTOR RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE ONE OF THE RED WIRES FROM THE CONTROL THERMISTOR

Next: p737, !f740

VOLTAGE FAN (HALL SENSOR)

{ISOLATEMAINSPOWER}
REMOVE THERMISTOR CONNECTOR FROM PCB
(APPLIANCE WILL ENTER A FAULT CODE)

Next: p743, f744

RESISTANCE FAN HARNESS

{ISOLATEMAINSPOWER}<

Next: p745, !f746

ON/OFF SWITCH VOLTAGE

Next: !p749, f750

MAINS VOLTAGE TO PCB

Next: p751, f752

EMC FILTER

Next: !p753, !f754

EXTERNAL CONTROLS INPUT

{ISOLATEMAINSPOWER}
GAIN ACCESS TO APPLIANCE TERMINAL BLOCK CONNECTIONS

Next: !p759, !f760

CONTROL THERMISTOR RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE ONE OF THE RED WIRES FROM THE CONTROL THERMISTOR

Next: p763, !f764

GAS INLET PRESSURE

{ISOLATEMAINSPOWER}<

Next: p795, !f796

SPARK ELECTRODE AND GAP

{ISOLATEMAINSPOWER}<

Next: p814, ?815, ?817

CONDENSATE TRAP AND DRAIN

{ISOLATEMAINSPOWER}

Next: p526, !f527

PUMP LIMPET TEST

Next: p681, !f685

PUMP LIMPET TEST

Next: p588, !f686

SYSTEM BYPASS

Next: !p590, !f591

SYSTEM BYPASS

Next: !p682, !f683

PUMP LIMPET TEST

Next: p719, !f720

SYSTEM BYPASS

Next: p721, !f722

CONDENSATE TRAP AND DRAIN

{ISOLATEMAINSPOWER}

Next: p723, !f724

CONTROL THERMISTOR RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE ONE OF THE RED WIRES FROM THE CONTROL THERMISTOR

Next: p725, !f726

POTENTIOMETER RESISTANCE

{ISOLATEMAINSPOWER}<

Next: !p727, !f728

POTENTIOMETER RESISTANCE

{ISOLATEMAINSPOWER}<

Next: !p738, !f739

VOLTAGE FAN AT PCB

{ISOLATEMAINSPOWER}<

Next: p761, f762

ON/OFF SWITCH OUTPUT

{ISOLATEMAINSPOWER}<

Next: p747, f748

EXTERNAL CONTROLS CALLING

{ISOLATEMAINSPOWER}<

Next: p846, f758

FUSE RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE FUSE FROM PCB

Next: p849, !f756

RESISTANCE FAN HARNESS

{ISOLATEMAINSPOWER}<

Next: !p767, !f768

FLUE THERMISTOR RESISTANCE

{ISOLATEMAINSPOWER}
DISCONNECT THE FLUE THERMISTOR INLINE CONNECTOR

Next: p841, !f766

FLAME DETECTION ELECTRODE AND LEAD

{ISOLATEMAINSPOWER}
REMOVE FLAME DETECTION ELECTRODE FROM ITS HOUSING AND DISCONNECT FROM PCB

Next: p797, !f798

CONDENSATE TRAP AND DRAIN

{ISOLATEMAINSPOWER}

Next: p799, !f800

PRIMARY FLUE SEAL

{ISOLATEMAINSPOWER}

Next: p801, !f802

FLUE

Next: p803, !f804

BURNER INJECTOR

{ISOLATEMAINSPOWER}
REMOVE THE BURNER INJECTOR FROM ITS HOUSING

Next: p805, !f806

FLAME DETECTION ELECTRODE GAP

{ISOLATEMAINSPOWER}
REMOVE BURNER ASSEMBLY

Next: p807, !f808

INSPECTION HEAT EXCHANGER FLUEWAYS

{ISOLATEMAINSPOWER}

Next: p809, !f810

INSPECTION BURNER

{ISOLATEMAINSPOWER}

Next: !p811, !f812

OVERHEAT THERMOSTAT RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE ONE OF THE ORANGE LEADS FROM THE OVERHEAT THERMOSTAT

Next: p821, !f822

IGNITION ELECTRODE AND LEAD

{ISOLATEMAINSPOWER}
REMOVE IGNITION ELECTRODE FROM ITS HOUSING AND DISCONNECT FROM PCB

Next: !p819, !f820

INSPECTION IMPULSE TUBE

{ISOLATEMAINSPOWER}

Next: p823, !f824

GAS VALVE VOLTAGE

BOILER ON/OFF SWITCH ON

Next: p825, !f826

GAS INLET PRESSURE

{ISOLATEMAINSPOWER}<

Next: p827, !f828

CONDENSATE TRAP AND DRAIN

{ISOLATEMAINSPOWER}

Next: p829, !f830

FLUE

Next: p831, !f832

BURNER INJECTOR

{ISOLATEMAINSPOWER}
REMOVE THE BURNER INJECTOR FROM ITS HOUSING

Next: p833, !f834

IGNITION ELECTRODE GAP

{ISOLATEMAINSPOWER}

Next: p835, !f836

INSPECTION HEAT EXCHANGER FLUEWAYS

{ISOLATEMAINSPOWER}

Next: p837, !f838

INSPECTION BURNER

{ISOLATEMAINSPOWER}

Next: !p839, !f840

FLAME DETECTION ELECTRODE AND LEAD

{ISOLATEMAINSPOWER}
REMOVE FLAME DETECTION ELECTRODE FROM ITS HOUSING AND DISCONNECT FROM PCB

Next: p842, !f843

RESISTANCE FAN

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR FROM FAN ASSEMBLY

Next: !p844, !f845

RESISTANCE FAN

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR FROM FAN ASSEMBLY

Next: !p847, !f848

RESISTANCE FAN

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR FROM FAN ASSEMBLY

Next: !p850, !f852

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System Information