XSol Diagnostic System

BAXI SOLO 3 PFL

GLOBALLY REPLACED

Next: &1, *

NO FAULT FOUND

Next: nff

BAXI SOLO 3 PFL

CASE REMOVAL

Next: &220, !f2

BOILER FROST PROTECTION

THERMOSTAT TURNED TO FROST POSITION
ENSURE THAT THE AMBIENT TEMPERATURE IS ABOVE 5 °C

Next: &25, f8

PUMP RUNS

THERMOSTAT TURNED TO OFF POSITION

Next: &694, f26

CORRECT BURNER GAS PRESSURE

THERMOSTAT TURNED TO MAX
CONNECT A U-GAUGE TO THE BURNER GAS PRESSURE TEST POINT

Next: &77, f383

BURNER MODULATION

THERMOSTAT TURNED TO MAX

Next: &803, f78

PUMP OVERRUN

NOTE: PUMP IS NOT AN INTEGRAL PART OF THE APPLIANCE
SO IT WILL BE ELSEWHERE ON THE SYSTEM

Next: &92, !f89

LOCKOUT RESET

DISCONNECT AN ORANGE LEAD FROM THE OVERHEAT THERMOSTAT
AND MAKE SAFE

Next: &nff, f93

DISPLAY

TURN THERMOSTAT TO MAX POSITION

Next: &560, f97

DIAGNOSIS BY LIGHTS OR STEP BY STEP CONVENTION

PLEASE SELECT FROM O

Next: &692, !f691

DHW DEMAND

TURN THERMOSTAT TO MAX POSITION

Next: &7, !f564

BOILER ON AND PILOT ON NEON ILLUMINATED

CHARACTERISTIC TEST FROM DIAGNOSTIC DISPLAY

Next: &nff, p686

DIAGNOSIS BY LIGHTS

Next: &96, !f693

FAN RUNS

THERMOSTAT TO MAX POSITION
REMOVE COMBUSTION BOX DOOR

Next: &733, f953

PILOT IGNITES

THERMOSTAT TURNED TO MAX
REFIT COMBUSTION BOX DOOR

Next: &777, f734

BURNER IGNITES

THERMOSTAT TURNED TO MAX

Next: &75, f778

CH OPERATION

THERMOSTAT SET TO MAXIMUM

Next: &88, ?804, ?806, ?808

OVER HEAT NEON FURTHER INVESTIGATION

Next: &nff, f850

BOILER FROST PROTECTION

POTENTIOMETER C/W LEADS HONEYWELL

Next: End

BURNER IGNITES

KIT - PILOT IGNITION (INJECTOR)

Next: End

RESTRICTED OR BLOCKED

AIR PRESSURE PIPES

Next: End

RESTRICTED OR BLOCKED

VENTURI

Next: End

FUSE

FUSE MAIN PCB F1

Next: End

SPARK ELECTRODE

KIT - PILOT IGNITION (ELECTRODE)

Next: End

SPARK ELECTRODE LEAD

LEAD 410MM LONG - ELECTRODE

Next: End

APS PROVING

COUPLINGS M-F BOILER HARNESS

Next: End

PILOT ON NEON

AIR PRESSURE SWITCH

Next: End

PILOT DOES NOT IGNITE

PCB - CONTROL - HONEYWELL

Next: End

FLUE

Next: End

BLOCKED OR SPLIT

AIR PRESSURE PIPES

Next: End

RESTRICTED OR BLOCKED 2

VENTURI

Next: End

PILOT DOES NOT IGNITE

HEAT EXCHANGER ASSEMBLY

Next: End

FLUE COVER REMOVED

FLUE

Next: End

BLOCKED OR SPLIT COVER REMOVED

AIR PRESSURE PIPES

Next: End

RESTRICTED OR BLOCKED 2 COVER REMOVED

VENTURI

Next: End

PILOT DOES NOT IGNITE COVER REMOVED

HEAT EXCHANGER ASSEMBLY

Next: End

PILOT DOES NOT IGNITE COVER REMOVED

AIR PRESSURE SWITCH

Next: End

BOILER FROST PROTECTION

THERMISTOR

Next: End

ELECTRICAL SAFETY

ZREDIRECTS BY HMTL LINK

Next: End

CORRECT BURNER PRESSURE

GAS VALVE INLET PRESSURE

Next: End

BLOWN

MAINS FUSE

Next: End

DHW DEMAND

Next: End

Z REDIRECTION

ZREDIRECTS BY HMTL LINK

Next: End

Z REDIRECTION1

ZREDIRECTS BY HMTL LINK

Next: End

INLET PRESSURE BURNER ON1

GAS VALVE INLET PRESSURE

Next: End

VOLTAGE ABSENT PILOT SOLENOID

WIRE HARNESS VALVE - GAS VALVE

Next: End

PILOT DOES NOT IGNITE

WIRE HARNESS VALVE - GAS VALVE

Next: End

PILOT IGNITION1

SOLENOID PILOT - SOLO 2 PF

Next: End

PILOT INJECTOR1

KIT - PILOT IGNITION (INJECTOR)

Next: End

REVERSE POLARITY

Next: End

RECTIFICATION

KIT - PILOT IGNITION (ELECTRODE)

Next: End

RECTIFICATION

LEAD 410MM LONG - ELECTRODE

Next: End

VOLTAGE ABSENT GAS VALVE

WIRE HARNESS VALVE - GAS VALVE

Next: End

BURNER DOES NOT ESTABLISH

WIRE HARNESS VALVE - GAS VALVE

Next: End

BURNER MODULATION

POTENTIOMETER C/W LEADS HONEYWELL

Next: End

OPERATION

THERMISTOR

Next: End

CH OPERATION

POTENTIOMETER C/W LEADS HONEYWELL

Next: End

GAS RATE

INJECTOR

Next: End

QUIET OPERATION

Next: End

LIMPET TEST

PUMP

Next: End

BURNER MODULATION

THERMISTOR

Next: End

BOILER NOISY 2

THERMISTOR

Next: End

BYPASS EXTERNAL3

Next: End

OC PILOT GAS VALVE

SOLENOID PILOT - SOLO 2 PF

Next: End

BURNER IGNITES

GAS VALVE INLET PRESSURE

Next: End

BOILER TO TEMP

PUMP

Next: End

OVERHEAT

PUMP

Next: End

PUMP OVERRUN OVERHEAT

PCB - CONTROL - HONEYWELL

Next: End

OVERHEAT

THERMISTOR

Next: End

OH OC NEON DIAG

KIT - OVERHEAT THERMOSTAT - SOLO PF

Next: End

PUMP OVERRUN

PCB - CONTROL - HONEYWELL

Next: End

OVERHEAT

HARNESS ASSEMBLY - BOILER

Next: End

BLOWNPUMP

MAINS FUSE

Next: End

PUMP

FUSE MAIN PCB F1

Next: End

LOCKOUT RESET

POTENTIOMETER C/W LEADS HONEYWELL

Next: End

FAN VOLTAGE ABSENT

COUPLINGS M-F BOILER HARNESS

Next: End

APS NO AIR RESISTANCE

COUPLINGS M-F BOILER HARNESS

Next: End

OVERHEAT FURTHER INVESTIGATION

ZREDIRECTS BY HMTL LINK

Next: End

PILOT GAS VALVE OC

SOLENOID PILOT - SOLO 2 PF

Next: End

FAN ON NEON (GREEN)

POTENTIOMETER C/W LEADS HONEYWELL

Next: End

BOILER NEON ON ONLY

POTENTIOMETER C/W LEADS HONEYWELL

Next: End

FAN ON NEON (GREEN)

THERMISTOR

Next: End

FAN NEUTRAL

COUPLINGS M-F BOILER HARNESS

Next: End

NO FAN

FUSE MAIN PCB F1

Next: End

NOT RUNNING

PUMP NOT RUNNING

Next: End

FAN ON NEON (GREEN)

AIR PRESSURE SWITCH

Next: End

BOILER ON NEON

PCB - CONTROL - HONEYWELL

Next: End

APS PROVING

HARNESS ASSEMBLY - BOILER

Next: End

PILOT DOES NOT IGNITE

FAN ASSEMBLY

Next: End

PILOT DOES NOT IGNITE COVER REMOVED

FAN ASSEMBLY

Next: End

BOILER FROST PROTECTION

PCB - CONTROL - HONEYWELL

Next: End

CORRECT BURNER GAS PRESSURE

GAS VALVE

Next: End

EXTERNAL CONTROLS

Next: End

BROKEN NEUTRAL 1

NEUTRAL FAULT

Next: End

BOILER ON NEON

Next: End

PUMP RUNS( NEUTRAL TRACK)

PCB - CONTROL - HONEYWELL

Next: End

PILOT GAS VALVE LIVE1

PCB - CONTROL - HONEYWELL

Next: End

NEUTRAL PILOT SOLENOID

PCB - CONTROL - HONEYWELL

Next: End

MECHAN1

GAS VALVE

Next: End

VOLTAGE ABSENT GAS VALVE

PCB - CONTROL - HONEYWELL

Next: End

BURNER IGNITES

PCB - CONTROL - HONEYWELL

Next: End

BURNER MODULATION

PCB - CONTROL - HONEYWELL

Next: End

HEAT EXCHANGER 2

HEAT EXCHANGER ASSEMBLY

Next: End

INSUFFICIENT HEAT

PCB - CONTROL - HONEYWELL

Next: End

BOILER ON PILOT ON NEONS FAULT

PCB - CONTROL - HONEYWELL

Next: End

GASVALVE HARNESS DAMAGE

WIRE HARNESS VALVE - GAS VALVE

Next: End

BURNER INJECTOR

INJECTOR

Next: End

BURNER IGNITES

GAS VALVE

Next: End

CH OPERATION

Next: End

OVERHEAT

PCB - CONTROL - HONEYWELL

Next: End

RETEST APPLIANCE

NORMAL OPERATION

Next: End

OVER HEAT FAULT

PCB - CONTROL - HONEYWELL

Next: End

BROKEN NEUTRAL 1PUMP

NEUTRAL FAULT

Next: End

BOILER ON NEONPUMP

Next: End

PUMP RUNS

PCB - CONTROL - HONEYWELL

Next: End

LOCKOUT RESET

PCB - CONTROL - HONEYWELL

Next: End

FAN

FAN ASSEMBLY

Next: End

FAN VOLTAGE ABSENT

HARNESS ASSEMBLY - BOILER

Next: End

APS NO AIR RESISTANCE

HARNESS ASSEMBLY - BOILER

Next: End

OVERHEAT NO FAN VOLTAGE

HARNESS ASSEMBLY - BOILER

Next: End

VOLTAGE ABSENT FAN

WIRE HARNESS VALVE - GAS VALVE

Next: End

NO VOLTAGE FAN THERMISTOR

HARNESS ASSEMBLY - BOILER

Next: End

FAN RUNS ( NEUTRAL TRACK)

PCB - CONTROL - HONEYWELL

Next: End

FAN NEUTRAL

HARNESS ASSEMBLY - BOILER

Next: End

FAN ON NEON (GREEN)

PCB - CONTROL - HONEYWELL

Next: End

RECTIFICATION

PCB - CONTROL - HONEYWELL

Next: End

MAINS VOLTAGE PRESENT AT BOTH TEST POINTS (NEUTRAL FAULT)

CHARACTERISTIC TEST FROM PILOT GAS VALVE LIVE

Next: !p487

MAINS VOLTAGE ABSENT BOTH TEST POINTS

CHARACTERISTIC TEST FROM PILOT GAS VALVE LIVE

Next: p488

MAINS VOLTAGE PRESENT AT BOTH TEST POINTS (NEUTRAL FAULT)

CHARACTERISTIC TEST FROM PILOT GAS VALVE LIVE

Next: !p493

MAINS VOLTAGE ABSENT BOTH TEST POINTS

CHARACTERISTIC TEST FROM PILOT GAS VALVE LIVE

Next: p899

MAINS VOLTAGE PRESENT AT BOTH TEST POINTS (NEUTRAL FAULT)

CHARACTERISTIC TEST FROM PILOT GAS VALVE LIVE

Next: p766

MAINS VOLTAGE ABSENT BOTH TEST POINTS

CHARACTERISTIC TEST FROM PILOT GAS VALVE LIVE

Next: p768

MAINS VOLTAGE PRESENT AT BOTH TEST POINTS (NEUTRAL FAULT)

CHARACTERISTIC TEST FROM PILOT GAS VALVE LIVE

Next: p790

MAINS VOLTAGE ABSENT BOTH TEST POINTS

CHARACTERISTIC TEST FROM PILOT GAS VALVE LIVE

Next: p792

NOISY OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION

Next: p805

BOILER TO TEMP RADS COOL

CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION

Next: p807

BOILER DOES NOT REACH TEMP - SYSTEM COOL

CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION

Next: p809

MAINS VOLTAGE PRESENT AT BOTH TEST POINTS (NEUTRAL FAULT)

CHARACTERISTIC TEST FROM PILOT GAS VALVE LIVE

Next: !p902

MAINS VOLTAGE ABSENT BOTH TEST POINTS

CHARACTERISTIC TEST FROM PILOT GAS VALVE LIVE

Next: p904

MAINS VOLTAGE PRESENT AT BOTH TEST POINTS (NEUTRAL FAULT)

CHARACTERISTIC TEST FROM PILOT GAS VALVE LIVE

Next: p956

MAINS VOLTAGE ABSENT BOTH TEST POINTS

CHARACTERISTIC TEST FROM PILOT GAS VALVE LIVE

Next: p958

07/03/2019 11:08:03 1903_1_46_1 01/04/2019 14:04:40

08/03/2019 12:58:03

Next: End

OBSERVATION SPARKING WITH COMBUSTION COVER REMOVED

THERMOSTAT TURNED TO MAXIMUM
REMOVE OUTER COMBUSTION DOOR

Next: p1058, f1037

SPARK ELECTRODE

REMOVE THE SPARK ELECTRODE

Next: p1038, !f1039

CONTINUITY COMBUSTION TERMINAL BLOCK - APS

Next: !p1044, !f1045

PUMP VOLTAGE AT PCB (CH DEMAND)

{GAINPCBACS}
THERMOSTAT TO MAX POSITION

Next: !p1001, ?492, ?494

INLET PRESSURE

ATTACH PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT ON GAS VALVE

Next: !p384, !f385

SPARKING PRESENT

THERMOSTAT TURNED TO MAXIMUM

Next: p735, f1036

DOES SPARKING CEASE

BOILER THERMOSTAT TO MAX POSITION

Next: p779, f780

RESISTANCE POTENTIOMETER

DISCONNECT THE THERMOSTAT MULTIPLUG FROM THE PCB

Next: p79, !f80

MAINS POWER POLARITY

{GAINPCBACS}

Next: p781, !f782

THERMOSTAT ON RESISTANCE

DISCONNECT THE THERM

Next: p9, !f10

GAS VALVE PILOT SOLENOID RESISTANCE

DISCONNECT ONE OF THE LEADS FROM THE PILOT GAS VALVE

Next: !p830, !f831

INLET PRESSURE

ATTACH PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT ON GAS VALVE

Next: !p842, !f843

BOILER RESET- OVERHEAT FURTHER INVESTIGATION

NOTE: ENSURE BOILER IS COOL

Next: p851, f852

RESISTANCE OVERHEAT THERMOSTAT

DISCONNECT ONE OF THE ORANGE LEADS FROM THE OVERHEAT THERMOSTAT

Next: p888, !f887

THERMOSTAT SENSOR RESISTANCE

REMOVE THE YELLOW SPADED WIRES FROM THE THERMOSTAT SENSOR.

Next: !p865, !f866

THERMOSTAT ON/OFF RESISTANCE

DISCONNECT THE THERM

Next: !p94, !f95

FAN VOLTAGE

THERMOSTAT TURNED TO MAX

Next: !p954, ?955, ?957

CONTINUITY COMBUSTION TERMINAL BLOCK - FAN LEADS

Next: !p961, !f962

AIR PRESSURE SWITCH (NO AIR RESISTANCE)

REMOVE THE BLACK AND WHITE WIRES FROM THE AIR PRESSURE SWITCH

Next: p965, f966

INSPECTION AIR PRESSURE PIPES

WITHDRAW THE FAN AND BURNER DOOR ASSEMBLY

Next: p967, !f1003

PCB SWITCHED LIVE (INPUT)

{GAINPCBACS}
THERMOSTAT TO OFF POSITION

Next: p98, f99

OVERHEAT THERMOSTAT

DISCONNECT ONE OF THE ORANGE LEADS FROM THE OVERHEAT THERMOSTAT

Next: !p975, !f976

GAS VALVE PILOT SOLENOID RESISTANCE

DISCONNECT ONE OF THE LEADS FROM THE PILOT GAS VALVE

Next: !p979, !f980

THERMOSTAT SENSOR RESISTANCE

REMOVE THE YELLOW SPADED WIRES FROM THE THERMOSTAT SENSOR.

Next: !p987, !f988

MAINS POWER SUPPLY

Next: !p431, ?478, ?480

CONTINUITY COMBUSTION TERMINAL BLOCK - FAN LEADS

Next: !p991, !f992

SPARK ELECTRODE LEAD

REMOVE ELECTRODE LEAD

Next: p1040, !f1041

CONTINUITY AIR PRESSURE SWITCH HARNESS

DISCONNECT THE FAN - AIR PRESSURE SWITCH CONNECTOR
FROM THE PCB (5PIN - CONNECTOR)

Next: p1042, f1043

AIR PRESSURE SWITCH PROVING

DISCONNECT THE 5-PIN

Next: p1046, !f1047

OBSERVATION DOES SPARKING OCCUR WITH APS MADE

REFIT THE BURNER DOOR / FAN ASSEMBLY
APS TESTING KIT STILL FITTED FROM PREVIOUS TEST

Next: p1048, !f1049

INSPECTION FLUE

Next: p1050, !f1051

INSPECTION AIR PRESSURE PIPES

WITHDRAW THE FAN AND BURNER DOOR ASSEMBLY

Next: p1052, !f1053

INSPECTION VENTURI

REMOVE THE FAN AND FLUE HOOD ASSEMBLY FROM THE APPLIANCE

Next: p1054, !f1055

INSPECTION HEAT EXCHANGER

Next: !p1056, !f1057

AIR PRESSURE SWITCH PROVING - OUTER COMBUSTION DOOR REMOVED

DISCONNECT THE 5-PIN

Next: p1060, !f1069

INSPECTION FLUE

Next: p1061, !f1062

INSPECTION AIR PRESSURE PIPES

WITHDRAW THE FAN AND BURNER DOOR ASSEMBLY

Next: p1063, !f1064

INSPECTION VENTURI

REMOVE THE FAN AND FLUE HOOD ASSEMBLY FROM THE APPLIANCE

Next: p1065, !f1066

INSPECTION HEAT EXCHANGER

Next: !p1067, !f1068

FUSE RESISTANCE (FUSED SPUR)

REMOVE FUSE FROM FUSED SPUR

Next: !p490, !f489

RESISTANCE GAS VALVE PILOT SOLENOID AND HARNESS

DISCONNECT THE GAS VALVE CONNECTOR FROM THE PCB (3-PIN CONNECTOR)

Next: !p829, f827

INLET PRESSURE

ATTACH PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT ON GAS VALVE

Next: p761, !f762

PILOT GAS VALVE LIVE

GAIN ACCESS TO GAS VALVE CONNECTIONS
THERMOSTAT TURNED TO MAX

Next: p763, ?765, ?767

GAS VALVE PILOT SOLENOID RESISTANCE

DISCONNECT ONE OF THE LEADS FROM THE PILOT GAS VALVE

Next: p773, !f774

CONTINUITY PILOT SOLENOID HARNESS

DISCONNECT THE GAS VALVE CONNECTOR FROM THE PCB
(3-PIN CONNECTOR)

Next: !p771, !f772

CONTINUITY PILOT SOLENOID HARNESS

DISCONNECT THE GAS VALVE CONNECTOR FROM THE PCB
(3-PIN CONNECTOR)

Next: !p769, !f770

PILOT INJECTOR

THE PILOT INJECTOR C

Next: !p775, !f776

MAIN GAS VALVE LIVE

GAIN ACCESS TO GAS VALVE CONNECTIONS
THERMOSTAT SET TO MAX

Next: p787, ?789, ?791

SPARK ELECTRODE

REMOVE THE SPARK ELECTRODE

Next: p783, !f784

SPARK ELECTRODE LEAD

REMOVE ELECTRODE LEAD

Next: p998, !f786

BURNER GAS PRESSURE

THERMOSTAT TURNED TO MAXIMUM
CONNECT A U-GAUGE TO THE BURNER GAS PRESSURE TEST POINT

Next: !p838, f839

THERMOSTAT SENSOR RESISTANCE

REMOVE THE YELLOW SPADED WIRES FROM THE THERMOSTAT SENSOR.

Next: !p81, !f82

CONTINUITY MAIN GAS VALVE SOLENOID HARNESS

DISCONNECT GAS VALVE CONNECTOR FROM THE PCB
(3-PIN CONNECTOR)

Next: !p795, !f796

CONTINUITY MAIN GAS VALVE SOLENOID HARNESS

DISCONNECT GAS VALVE CONNECTOR FROM THE PCB
(3-PIN CONNECTOR)

Next: !p793, !f794

PUMP LIMPET TEST

Next: p818, !f819

EXTERNAL BYPASS

Next: p844, !f817

THERMOSTAT SENSOR RESISTANCE

REMOVE THE YELLOW SPADED WIRES FROM THE THERMOSTAT SENSOR.

Next: p810, !f811

RESISTANCE POTENTIOMETER

DISCONNECT THE THERMOSTAT MULTIPLUG FROM THE PCB

Next: p812, !f813

GAS RATE

Next: !p825, !f815

THERMOSTAT SENSOR RESISTANCE

REMOVE THE YELLOW SPADED WIRES FROM THE THERMOSTAT SENSOR.

Next: p820, !f821

EXTERNAL BYPASS

Next: !p822, !f823

PUMP LIMPET TEST

Next: !p845, !f846

PUMP LIMPET TEST

Next: p859, !f856

RUN BOILER TO MAX TEMP-DOES OVERHEAT OCCUR

ATTACH TEMPERATURE CLAMP TO FLOW PIPE
SET BOILER TEMPERATURE CONTROL TO MAXIMUM

Next: !p867, f864

PUMP OVERRUN

NOTE: PUMP IS NOT AN INTEGRAL PART OF THE APPLIANCE
SO IT WILL BE ELSEWHERE ON THE SYSTEM

Next: p855, !f863

RESISTANCE OVERHEAT LOOM

REMOVE CONNECTOR X15 FROM THE PCB
REMOVE 1 WIRE FROM THE OVERHEAT THERMOSTAT

Next: !p889, !f890

MAINS POWER SUPPLY

Next: p907, ?901, ?903

THERMOSTAT SENSOR RESISTANCE

REMOVE THE YELLOW SPADED WIRES FROM THE THERMOSTAT SENSOR.

Next: !p11, !f12

FUSE RESISTANCE (FUSED SPUR)

REMOVE FUSE FROM FUSED SPUR

Next: !p905, !f906

PCB FUSE

GAIN ACCESS TO PCB ASSEMBLY

Next: !p908, !f909

FAN NEUTRAL CONTINUITY

Next: !p989, f990

CONTINUITY FAN HARNESS

DISCONNECT 5-PIN CONNECTOR FROM PCB

Next: p959, f960

RESISTANCE AIR PRESSURE SWITCH NO AIR AND HARNESS

DISCONNECT THE 5-PIN CONNECTOR FROM THE PCB

Next: p963, f964

RESISTANCE OVERHEAT THERMOSTAT AND HARNESS

DISCONNECT THE OVERHEAT CONNECTOR FROM THE PCB (ORANGE LEADS)

Next: p973, f974

CONTINUITY COMBUSTION TERMINAL BLOCK - APS

Next: !p971, !f972

INSPECTION VENTURI

REMOVE THE FAN AND FLUE HOOD ASSEMBLY FROM THE APPLIANCE

Next: !p1002, !f1004

RESISTANCE GAS VALVE PILOT SOLENOID AND HARNESS

DISCONNECT THE GAS VALVE CONNECTOR FROM THE PCB (3-PIN CONNECTOR)

Next: p977, f978

THERMOSTAT ON RESISTANCE

DISCONNECT THE THERM

Next: p981, !f982

PCB FUSE

GAIN ACCESS TO PCB ASSEMBLY

Next: !p102, !f103

RESISTANCE POTENTIOMETER

DISCONNECT THE THERMOSTAT MULTIPLUG FROM THE PCB

Next: p983, !f984

RESISTANCE THERMOSTAT SENSOR AND HARNESS

DISCONNECT THE THERMISTOR CONNECTOR FROM THE PCB (YELLOW LEADS)

Next: p995, f986

PCB FUSE

GAIN ACCESS TO PCB ASSEMBLY

Next: !p996, !f997

PILOT INJECTOR

THE PILOT INJECTOR C

Next: !p999, !f1000

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