XSol Diagnostic System

IDEAL ICOS M30/80 (PRIOR TO SERIAL NUMBER TN 154299 0000 4601)

GLOBALLY REPLACED

Next: &110, *

NO FAULT FOUND

Next: nff

IDEAL ICOS (PRIOR TO SERIAL NUMBER TN 154299 0000 4601)

{ISOLATEMAINSPOWER}<

Next: &112, !f111

SYSTEM CHECKS

{ISOLATEMAINSPOWER}
PLEASE ENSURE THE FOLLOWING SYSTEM CHECKS ARE COMPLETED

Next: &236, !f113

BURNER ESTABLISHES

BOILER ON/OFF SWITCH ON

Next: &168, f906

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, f763

FAN RUNS

BOILER ON/OFF SWITCH ON

Next: &687, f659

PUMP RUNS

LOCATE PUMP POSITION ON SYSTEM
BOILER ON/OFF SWITCH ON

Next: &720, f688

BURNER IGNITES

BOILER ON/OFF SWITCH ON

Next: &160, f721

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 SHUTDOWN

Next: End

PREMATURE SHUT DOWN

USER CONTROLS

Next: End

CH OPERATION

TRAP AND SEAL

Next: End

PREMATURE SHUT DOWN

THERMISTOR - BOILER CONTROL

Next: End

CH BURNER MODULATION

USER CONTROLS

Next: End

MODULATION

THERMISTOR - BOILER CONTROL

Next: End

FAN RUNS

Next: End

FAN RUNS

FUSE

Next: End

PUMP RUNS

Next: End

PERMANENT VOLTAGE TO FAN

HARNESS FAN

Next: End

FAN RUNS

THERMISTOR - BOILER CONTROL

Next: End

PUMP RUNS

FLUE THERMISTOR

Next: End

SWITCHED VOLTAGE TO FAN

HARNESS FAN

Next: End

BURNER IGNITES

THERMOSTAT OVERHEAT

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

NOT IGNITING

IMPULSE TUBE

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

DOES NOT RECTIFY

GAS INLET PRESSURE

Next: End

BURNER IGNITES

IGNITION ELECTRODE

Next: End

STOPPING FAN 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

PERMANENT BLACK LINK

Next: End

FAN RUNS

FAN

Next: End

BURNER IGNITES

GAS VALVE

Next: End

NOT RECTIFYING

PCB

Next: End

NOT IGNITING

IGNITION ELECTRODE (GAP)

Next: End

NO SPARKING PRESENT AT ELECTRODE

PCB

Next: End

NO POWER TO RUN FAN

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: p930

SPARK GAP INCORRECT

CHARACTERISTIC TEST FROM SPARK ELECTRODE AND GAP

Next: !p929

08/10/2019 09:58:01 1910_1_50_1 20/11/2019 10:05:11

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

VOLTAGE FAN (HALL SENSOR)

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

Next: p811, f775

PUMP VOLTAGE

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

Next: !p689, !f690

SPARK ELECTRODE AND GAP

{ISOLATEMAINSPOWER}<

Next: p838, ?926, ?928

CONTROL THERMISTOR RESISTANCE

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

Next: p771, !f774

RESISTANCE FAN HARNESS

{ISOLATEMAINSPOWER}<

Next: p793, !f810

ON/OFF SWITCH VOLTAGE

Next: !p796, f797

MAINS VOLTAGE TO PCB

Next: p798, !f799

EXTERNAL CONTROLS INPUT

{ISOLATEMAINSPOWER}
GAIN ACCESS TO APPLIANCE TERMINAL BLOCK CONNECTIONS

Next: !p804, !f805

CONTROL THERMISTOR RESISTANCE

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

Next: p815, !f816

GAS INLET PRESSURE

{ISOLATEMAINSPOWER}<

Next: p907, !f925

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: p744, !f745

SYSTEM BYPASS

Next: p752, !f747

CONTROL THERMISTOR RESISTANCE

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

Next: p748, !f759

POTENTIOMETER RESISTANCE

{ISOLATEMAINSPOWER}<

Next: !p750, !f751

CONDENSATE TRAP AND DRAIN

{ISOLATEMAINSPOWER}

Next: p746, !f758

POTENTIOMETER RESISTANCE

{ISOLATEMAINSPOWER}<

Next: !p772, !f773

ON/OFF SWITCH OUTPUT

{ISOLATEMAINSPOWER}<

Next: p794, f795

EXTERNAL CONTROLS CALLING

{ISOLATEMAINSPOWER}<

Next: p939, f803

FUSE RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE FUSE FROM PCB

Next: p942, !f801

VOLTAGE FAN AT PCB

{ISOLATEMAINSPOWER}<

Next: p820, f814

FLUE THERMISTOR RESISTANCE

{ISOLATEMAINSPOWER}
DISCONNECT THE FLUE THERMISTOR INLINE CONNECTOR

Next: p933, !f817

RESISTANCE FAN HARNESS

{ISOLATEMAINSPOWER}<

Next: !p821, !f822

OVERHEAT THERMOSTAT RESISTANCE

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

Next: p879, !f840

GAS VALVE VOLTAGE

BOILER ON/OFF SWITCH ON

Next: p841, !f842

GAS INLET PRESSURE

{ISOLATEMAINSPOWER}<

Next: p857, !f844

CONDENSATE TRAP AND DRAIN

{ISOLATEMAINSPOWER}

Next: p858, !f859

FLUE

Next: p870, !f860

BURNER INJECTOR

{ISOLATEMAINSPOWER}
REMOVE THE BURNER INJECTOR FROM ITS HOUSING

Next: p871, !f872

IGNITION ELECTRODE GAP

{ISOLATEMAINSPOWER}

Next: p873, !f874

INSPECTION HEAT EXCHANGER FLUEWAYS

{ISOLATEMAINSPOWER}

Next: p875, !f876

INSPECTION BURNER

{ISOLATEMAINSPOWER}

Next: !p877, !f878

INSPECTION IMPULSE TUBE

{ISOLATEMAINSPOWER}

Next: p839, !f897

FLAME DETECTION ELECTRODE AND LEAD

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

Next: p908, !f909

CONDENSATE TRAP AND DRAIN

{ISOLATEMAINSPOWER}

Next: p912, !f911

PRIMARY FLUE SEAL

{ISOLATEMAINSPOWER}

Next: p914, !f913

FLUE

Next: p915, !f920

BURNER INJECTOR

{ISOLATEMAINSPOWER}
REMOVE THE BURNER INJECTOR FROM ITS HOUSING

Next: p916, !f921

FLAME DETECTION ELECTRODE GAP

{ISOLATEMAINSPOWER}
REMOVE BURNER ASSEMBLY

Next: p917, !f922

INSPECTION HEAT EXCHANGER FLUEWAYS

{ISOLATEMAINSPOWER}

Next: p918, !f923

INSPECTION BURNER

{ISOLATEMAINSPOWER}

Next: !p919, !f924

IGNITION ELECTRODE AND LEAD

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

Next: !p931, !f932

FLAME DETECTION ELECTRODE AND LEAD

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

Next: p936, !f935

RESISTANCE FAN

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR FROM FAN ASSEMBLY

Next: !p937, !f938

RESISTANCE FAN

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR FROM FAN ASSEMBLY

Next: !p940, !f941

RESISTANCE FAN

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR FROM FAN ASSEMBLY

Next: !p943, !f944

Welcome to the XSol Diagnostic System

System Information