XSol Diagnostic System

BAXI BERMUDA BBU HE

GLOBALLY REPLACED

Next: &1, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

CASE OFF

Next: &1045, !f2

TYPE OF DIAGNOSTIC PROCEDURE

Next: &2704, !f4

BURNER IGNITES AND ESTABLISHES

Next: &357, ?186, ?190, ?192

OPERATION CH

Next: &3089, ?360, ?362, ?368

E20 FAULT CODE

OUT OF MODEL

Next: &nff, f585

E131 FAULT CODE

NOT USED

Next: &nff, f2986

E160 FAULT CODE

OUT OF MODEL

Next: &nff, f721

FUSE FURTHER INVESTIGATION

OUT OF MODEL

Next: &nff, f3035

POWER UP

REMOVE BOILER CONTRO

Next: &2779, ?2728, ?2730, ?3079

BOILER SELF CHECK

ENSURE THERE ARE NO DEMANDS

Next: &3, ?1094, ?1098, ?1368, ?2394

OBSERVATION PUMP RUNS CH DEMAND

THE PUMP IS NOT AN INTEGRAL PART OF THE APPLIANCE
AND WILL THEREFORE BE LOCATED EXTERNALLY

Next: &185, !f2426

OBSERVATION FAN RUNS CH DEMAND

BOILER ON/OFF SWITCHED ON
POTENTIOMETERS SET TO FULLY CLOCKWISE POSITION
ENSURE BOILER IS COOL

Next: &2421, f2705

E28 & E50 FAULT CODE

NOT USED

Next: &nff, f2727

BOILER RESET INFORMATION

Next: &1093, !f2780

E110 FAULT CODE

NOT USED

Next: &nff, f2851

E155 FAULT CODE

NOT USED

Next: &nff, f2990

E158 FAULT CODE

NOT USED

Next: &nff, f2993

E168 FAULT CODE

E168 FAULT CODE
T

Next: &nff, f3055

E119 FAULT CODE

NOT USED

Next: &nff, f2943

E125 FAULT CODE

OUT OF MODEL

Next: &nff, f2949

PCB SERVICE POSITION

Next: &nff, !f3054

OPERATION DHW

Next: &nff, ?3090, ?3092

E168 MAINS POWER SUPPLY ISSUE

HEADER FOR E168 MAINS SUPPLY COMPONENT - NOT USED

Next: &nff, !f3216

SF OR P CALIBRATION FUNCTION

INTENTIONALLY BLANK - HEADER FOR FAULT CODE

Next: &nff, f3240

QUICK ACCESS DATA AND INFORMATION

THE TABLE BELOW SHOW

Next: &nff, !f3244

LITE DIAGNOSTIC

DIAGNOSIS RELIES ON

Next: &nff, !f3246

HEADER FOR QADAI FLOW THERMISTOR

INTENTIONALLY BLANK - HEADER FOR QADAI

Next: &nff, f3248

HEADER FOR QADAI GAS VALVE RESISTANCE

INTENTIONALLY BLANK - HEADER FOR QADAI

Next: &nff, f3252

HEADER FOR QADAI GAS VALVE VOLTAGE

INTENTIONALLY BLANK - HEADER FOR QADAI

Next: &nff, f3256

HEADER FOR QADAI SPARK GENERATOR RESISTANCE

INTENTIONALLY BLANK - HEADER FOR QADAI

Next: &nff, f3260

HEADER FOR QADAI FAN AC RESISTANCE

INTENTIONALLY BLANK - HEADER FOR QADAI

Next: &nff, f3264

HEADER FOR QADAI FAN AC VOLTAGE

INTENTIONALLY BLANK - HEADER FOR QADAI

Next: &nff, f3268

HEADER FOR QADAI CONDENSATE PUMP RESISTANCE

INTENTIONALLY BLANK - HEADER FOR QADAI

Next: &nff, f3273

HEADER FOR QADAI CONDENSATE PUMP VOLTAGE

INTENTIONALLY BLANK - HEADER FOR QADAI

Next: &nff, f3274

NO AC VOLTAGESTANDY BY MODE

HARNESS

Next: End

FAN SUPPLY DC

HARNESS

Next: End

NO FAN DC

KIT - SPARE CONTROL PCB

Next: End

STANDBY

FAN ASSEMBLY

Next: End

NO PERMANENT VOLTAGE TO FAN

KIT - SPARE CONTROL PCB

Next: End

FAN NOT RUNNING

HARNESS

Next: End

NOT RESPONDING TO FAN

KIT - SPARE CONTROL PCB

Next: End

BURNER DOES NOT ESTABLISH

GAS INLET PRESSURE

Next: End

CASE REMOVAL

DIRECTION CHOICE OR CONTINUE

Next: End

BURNER BAFFLES OUT

GAS INLET PRESSURE

Next: End

SELF TEST

FROST PROTECTION

Next: End

SELF CHECK

KIT - SPARE NTC SENSOR

Next: End

FIRING NO DEMAND

Next: End

FAULT CODE

Z DIRECTION CHOICE OR CONTINUE

Next: End

SELF CHECK 3

KIT - SPARE CONTROL PCB

Next: End

PUMP NOT RUNNING

PUMP

Next: End

BLOCKED

PIPE - COMPENSATION - CASE

Next: End

SPARKING NO IGNITION

GAS INLET PRESSURE

Next: End

BURNER DOES NOT IGNITE

KIT - SPARE GAS VALVE & PRINTED CIRCUIT BOARD

Next: End

BURNER DOES NOT IGNITE 2

SUCTION PORT

Next: End

BURNER DOES NOT IGNITE

FLUE

Next: End

BURNER DOES NOT IGNITE

KIT - SPARE INJECTOR

Next: End

BURNER DOES NOT IGNITE

SUCTION PORT

Next: End

BURNER DOES NOT IGNITE 2

FLUE

Next: End

BURNER DOES NOT IGNITE 2

KIT - SPARE INJECTOR

Next: End

BURNER DOES NOT IGNITE

HARNESS

Next: End

BURNER DOES NOT IGNITE 3

KIT - SPARE CONTROL PCB

Next: End

BURNER DOES NOT IGNITE

KIT - SPARE CONTROL PCB

Next: End

BURNER BAFFLES

SUCTION PORT

Next: End

BURNER BAFFLES

PIPE - COMPENSATION - CASE

Next: End

BURNER BAFFLES OUT

FLUE

Next: End

NO RECTIFICATION VOLTAGE

KIT - SPARE CONTROL PCB

Next: End

DOES NOT ESTABLISH

KIT - SPARE IGNITERS ASSEMBLY

Next: End

ESTABLISH

HARNESS

Next: End

CH TEMP LOW RADS COOL

KIT - SPARE NTC SENSOR

Next: End

CH TEMP LOW RADS COOL

PUMP

Next: End

CH TEMP LOW RADS COOL

FLUE

Next: End

CH TEMP LOW RADS COOL

SUCTION PORT

Next: End

BOILER UP TO TEMP

SYSTEM FILLED - VENTED

Next: End

BOILER UP TO TEMP

PUMP

Next: End

BOILER UPTO TEMP

Next: End

FAN DOES NOT RUN

Next: End

FAN RUNS

KIT - SPARE NTC SENSOR

Next: End

FAULT CODE E20

KIT - SPARE CONTROL PCB

Next: End

POWER UP

SWITCH - ON/OFF

Next: End

NO AC VOLTAGESTANDY BY MODE BLANK DISPLAY

HARNESS

Next: End

FAN NOT RUNNING BLANK DISPLAY

HARNESS

Next: End

NO PERMANENT VOLTAGE TO FAN BLANK DISPLAY

KIT - SPARE CONTROL PCB

Next: End

NOT RESPONDING TO FAN BLANK DISPLAY

KIT - SPARE CONTROL PCB

Next: End

BLACK DISPLAYB4 OP SEQ

FAN ASSEMBLY

Next: End

FAN SUPPLY DC BLANK DISPLAY

HARNESS

Next: End

NO FAN DC BLANK DISPLAY

KIT - SPARE CONTROL PCB

Next: End

STANDBY BLANK DISPLAY

FAN ASSEMBLY

Next: End

FAN DOES NOT RUN

CONNECTOR X9

Next: End

FAN DOES NOT RUN

HARNESS

Next: End

RESET INFO

Z DIRECTION CHOICE OR CONTINUE

Next: End

FAULT CODE E28

KIT - SPARE CONTROL PCB

Next: End

E110 FAULT CODE

CONDENSATE

Next: End

FAULT CODE E110 2

KIT- SPARE OVERHEAT THERMOSTAT

Next: End

FAULT CODE E110

PUMP

Next: End

FAULT CODE E110 2

PUMP

Next: End

FAULT CODE E110

SYSTEM FILLED - VENTED

Next: End

FAULT CODE E110

KIT- SPARE OVERHEAT THERMOSTAT

Next: End

FAULT CODE E110 4

KIT - SPARE CONTROL PCB

Next: End

FAULT CODE E110

KIT - SPARE NTC SENSOR

Next: End

FAULT CODE E110

KIT - SPARE CONTROL PCB

Next: End

FAULT CODE X400

HARNESS

Next: End

FAULT CODE E110 6

KIT - SPARE CONTROL PCB

Next: End

FAULT CODE E125

SYSTEM FILLED - VENTED

Next: End

FAULT CODE E125

PUMP

Next: End

FAULT CODE E125 2

PUMP

Next: End

FAULT CODE E125

KIT - SPARE NTC SENSOR

Next: End

FAULT CODE E125

Next: End

FAULT CODE E125 2

KIT - SPARE CONTROL PCB

Next: End

FAULT CODE E131

KIT - SPARE CONTROL PCB

Next: End

FAULT CODE E155

KIT - SPARE CONTROL PCB

Next: End

E158 FAULT CODE

CONDENSATE

Next: End

E158 FAULT CODE 2

KIT - SPARE CONTROL PCB

Next: End

E158 FAULT CODE

KIT - SPARE CONTROL PCB

Next: End

FAULT CODE E160

SWITCH - ON/OFF

Next: End

FAULT CODE E160 2

HARNESS

Next: End

FAULT CODE E160 3

HARNESS

Next: End

FAULT CODE E160 2

KIT - SPARE CONTROL PCB

Next: End

FAULT CODE E160 3

KIT - SPARE CONTROL PCB

Next: End

FUSE FURTHER INVESTIGATION

KIT - SPARE GAS VALVE

Next: End

FUSE FURTHER INVESTIGATION

KIT - SPARE CONDENSATE PUMP

Next: End

FUSE FURTHER INVESTIGATION

FAN ASSEMBLY

Next: End

FUSE FURTHER INVESTIGATION

SPARK GENERATOR

Next: End

SERVICE POSITION

Z DIRECTION CHOICE OR CONTINUE

Next: End

FAULT CODE E168

SPARK GENERATOR

Next: End

FAULT CODE E168

FAN ASSEMBLY

Next: End

FAULT CODE E168

KIT - SPARE CONDENSATE PUMP

Next: End

FAULT CODE E168

KIT - SPARE GAS VALVE

Next: End

FAULT CODE E110

Next: End

E158 FAULT CODE E110

KIT - SPARE CONTROL PCB

Next: End

BURNER DOES NOT IGNITE 3

KIT - SPARE GAS VALVE

Next: End

IGNITES BUT NOISEY

KIT - SPARE INJECTOR

Next: End

FAULT CODE E168

KIT - SPARE NTC SENSOR

Next: End

CAUSING E168

Next: End

BLOWN

FUSE MAIN 3A

Next: End

NO POWER SUPPLY TO APPLIANCE

Next: End

NO VOLTAGE AT APPLIANCE

Next: End

STUCK IN CALIBRATION MODE

KIT - SPARE CONTROL PCB

Next: End

BLANK FOR QADAI

Z DIRECTION CHOICE OR CONTINUE

Next: End

BLANK FOR LITE DIAGNOSTIC

Z DIRECTION CHOICE OR CONTINUE

Next: End

QADAI

KIT - SPARE NTC SENSOR

Next: End

QADAI

KIT - SPARE GAS VALVE

Next: End

QADAI NO POWER TO GAS VALVE

KIT - SPARE CONTROL PCB

Next: End

QADAI

SPARK GENERATOR

Next: End

QADAI AC

FAN ASSEMBLY

Next: End

QADAI NO POWER TO FAN AC

KIT - SPARE CONTROL PCB

Next: End

QADAI

KIT - SPARE CONDENSATE PUMP

Next: End

QADAI NO POWER TO CONDENSE PUMP

KIT - SPARE CONTROL PCB

Next: End

UNDER PRESSURE

EXPANSION VESSEL

Next: End

FOR TYPE DIAG PROCEDURE

DIRECTION CHOICE OR CONTINUE

Next: End

FAULT CODE E20

KIT - SPARE NTC SENSOR

Next: End

E160 2

HARNESS

Next: End

NO FAN SUPPLY SPEED

KIT - SPARE CONTROL PCB

Next: End

VOLTAGE NO MOVEMENTSTANDY BY MODE

FAN ASSEMBLY

Next: End

SELF CHECK

KIT - SPARE CONTROL PCB

Next: End

SELF CHECK 2

KIT - SPARE CONTROL PCB

Next: End

FAULT CODE 2

Z DIRECTION CHOICE OR CONTINUE

Next: End

BURNER DOES NOT IGNITE 2

HARNESS

Next: End

BURNER DOES NOT IGNITE 2

KIT - SPARE CONTROL PCB

Next: End

BURNER DOES NOT IGNITE

HARNESS & PRINTED CIRCUIT BOARD

Next: End

BURNER DOES NOT IGNITE

KIT - SPARE GAS VALVE

Next: End

BURNER DOES NOT IGNITE 2

KIT - SPARE HEAT EXCHANGER ASSEMBLY - FLUEWAYS

Next: End

BURNER DOES NOT IGNITE 2

KIT - SPARE BURNER ASSEMBLY

Next: End

BURNER DOES NOT IGNITE

KIT - SPARE IGNITERS ASSEMBLY

Next: End

BURNER DOES NOT IGNITE

LEADS - IGNITION - SPARE

Next: End

BURNER DOES NOT IGNITE 2

KIT - SPARE GAS VALVE

Next: End

BURNER DOES NOT IGNITE

KIT - SPARE HEAT EXCHANGER ASSEMBLY - FLUEWAYS

Next: End

BURNER DOES NOT IGNITE 2

KIT - SPARE IGNITERS ASSEMBLY

Next: End

BURNER DOES NOT IGNITE

KIT - SPARE BURNER ASSEMBLY

Next: End

BURNER DOES NOT IGNITE 3

KIT - SPARE IGNITERS ASSEMBLY

Next: End

NO SPARK

SPARK GENERATOR

Next: End

BURNER DOES NOT IGNITE 2

LEADS - IGNITION - SPARE

Next: End

BURNER BAFFLES

KIT - SPARE GAS VALVE

Next: End

BURNER BAFFLES

KIT - SPARE HEAT EXCHANGER ASSEMBLY - FLUEWAYS

Next: End

BURNER BAFFLES OUT

KIT - SPARE BURNER ASSEMBLY

Next: End

DOES NOT ESTABLISH

KIT - SPARE CONTROL PCB

Next: End

DOES NOT ESTABLISH

KIT - SPARE HEAT EXCHANGER ASSEMBLY - FLUEWAYS

Next: End

DOES NOT ESTABLISH

KIT - SPARE BURNER ASSEMBLY

Next: End

CH TEMP LOW RADS COOL 2

KIT - SPARE CONTROL PCB

Next: End

CH TEMP LOW RADS COOL

KIT - SPARE HEAT EXCHANGER ASSEMBLY - FLUEWAYS

Next: End

CH TEMP LOW RADS COOL

KIT - SPARE BURNER ASSEMBLY

Next: End

CH TEMP LOW RADS COOL

KIT - SPARE CONTROL PCB

Next: End

BOILER UPTO TEMP

Next: End

FAN RUNS

KIT - SPARE CONTROL PCB

Next: End

FAULT CODE E20

FAULT CODE

Next: End

POWER UP

KIT - SPARE CONTROL PCB

Next: End

NO DISPLAY

KIT - SPARE CONTROL PCB

Next: End

POWER UP

HARNESS

Next: End

VOLTAGE NO MOVEMENTSTANDY BY MODE BLANK DISPLAY

FAN ASSEMBLY

Next: End

NO FAN SUPPLY SPEED BLANK DISPLAY

KIT - SPARE CONTROL PCB

Next: End

FAN DOES NOT RUN

KIT - SPARE CONTROL PCB

Next: End

FAN DOES NOT RUN 2

KIT - SPARE CONTROL PCB

Next: End

FAN DOES NOT RUN

ELECTRONIC UNIT - HMI

Next: End

FAN DOES NOT RUN

KIT - SPARE CONTROL PCB

Next: End

FAULT CODE E28

FAULT CODE

Next: End

FAULT CODE E110 2

KIT - SPARE FLOAT SWITCH ASSEMBLY

Next: End

FAULT CODE E110 3

KIT - SPARE CONDENSATE PUMP

Next: End

FAULT CODE E110 2

KIT - SPARE SUMP ASSEMBLY

Next: End

FAULT CODE E110 3

KIT - SPARE CONTROL PCB

Next: End

FAULT CODE E110

KIT - SPARE FLOAT SWITCH ASSEMBLY

Next: End

FAULT CODE E110 2

KIT - SPARE CONDENSATE PUMP

Next: End

FAULT CODE E110

KIT - SPARE SUMP ASSEMBLY

Next: End

FAULT CODE E110

Next: End

FAULT CODE E110 5

KIT - SPARE CONTROL PCB

Next: End

FAULT CODE E110

KIT - SPARE CONDENSATE PUMP

Next: End

FAULT CODE E110

HARNESS

Next: End

FAULT CODE E110 2

FAULT CODE

Next: End

FAULT CODE E125

Next: End

FAULT CODE E125

KIT - SPARE CONTROL PCB

Next: End

FAULT CODE E125

Next: End

FAULT CODE E131

FAULT CODE

Next: End

FAULT CODE E155

FAULT CODE

Next: End

E158 FAULT CODE

KIT - SPARE CONDENSATE PUMP

Next: End

E158 FAULT CODE 2

HARNESS

Next: End

E158 FAULT CODE

HARNESS

Next: End

E158 FAULT CODE

KIT - SPARE FLOAT SWITCH ASSEMBLY

Next: End

E158 FAULT CODE 2

KIT - SPARE CONDENSATE PUMP

Next: End

E158 FAULT CODE

KIT - SPARE SUMP ASSEMBLY

Next: End

E158 FAULT CODE

FAULT CODE

Next: End

FAULT CODE E160

KIT - SPARE CONTROL PCB

Next: End

FAULT CODE E160

HARNESS

Next: End

FAULT CODE E160

FAN ASSEMBLY

Next: End

FAULT CODE E160 2

FAN ASSEMBLY

Next: End

FUSE FURTHER INVESTIGATION

HARNESS

Next: End

FUSE FURTHER INVESTIGATION 2

HARNESS

Next: End

FUSE FURTHER INVESTIGATION 3

HARNESS

Next: End

FUSE FURTHER INVESTIGATION

PCB CONTROL - FUSE INVESTIGATION

Next: End

FUSE FURTHER INVESTIGATION 4

HARNESS

Next: End

FAULT CODE E168

HARNESS

Next: End

FAULT CODE E168 2

HARNESS

Next: End

FAULT CODE E168 3

HARNESS

Next: End

FAULT CODE E168 4

HARNESS

Next: End

POWER UP

BOILER CONTROL UNIT

Next: End

DHW OPERATION

Next: End

DHW OPERATION

Next: End

E158 FAULT CODE E110

HARNESS

Next: End

E158 FAULT CODE E110

KIT - SPARE CONDENSATE PUMP

Next: End

E158 FAULT CODE E110 2

HARNESS

Next: End

E158 FAULT CODE E110 2

KIT - SPARE FLOAT SWITCH ASSEMBLY

Next: End

E158 FAULT CODE E110 2

KIT - SPARE CONDENSATE PUMP

Next: End

E158 FAULT CODE E110

KIT - SPARE SUMP ASSEMBLY

Next: End

FAULT CODE E110 2

HARNESS

Next: End

FAULT CODE E168

KIT - SPARE CONTROL PCB

Next: End

FAULT CODE E168 5

HARNESS

Next: End

BLANK FOR MAINS FUSE

Z DIRECTION CHOICE OR CONTINUE

Next: End

BLANK FOR NO MAINS POWER INVESTIGATION

Z DIRECTION CHOICE OR CONTINUE

Next: End

NORMAL OPERATION

CALIBRATION FUNCTION

Next: End

SENSOR TEMP FLOW

RESULT AS EXPECTED

Next: End

GAS VALVE

RESULT AS EXPECTED

Next: End

PCB POWER TO GAS VALVE

RESULT AS EXPECTED

Next: End

SPARK GENERATOR

RESULT AS EXPECTED

Next: End

FAN AC

RESULT AS EXPECTED

Next: End

PCB POWER TO FAN AC

RESULT AS EXPECTED

Next: End

CONDENSATE PUMP

RESULT AS EXPECTED

Next: End

PCB POWER TO CONDENSE PUMP

RESULT AS EXPECTED

Next: End

EXPANSION CONNECTION

SYSTEM BLOCKAGES

Next: End

FAULT CODE E20

HARNESS

Next: End

FAN RUNS CONTINUALLY

CHARACTERISTIC TEST FROM BOILER SELF CHECK

Next: p1095

FAN DOES NOT RUN ON SELF CHECK ( APPROXIMATELY 5 SECONDS)

CHARACTERISTIC TEST FROM BOILER SELF CHECK

Next: p1099

BOILER ATTEMPTS TO FIRE AFTER SELF CHECK COMPLETE - NO DEMANDS PRESENT

CHARACTERISTIC TEST FROM BOILER SELF CHECK

Next: p1430

BURNER DOES NOT IGNITE

CHARACTERISTIC TEST FROM BURNER IGNITES AND ESTABLISHES

Next: p2564

BURNER IGNITES BUT BAFFLES OUT OR IS NOISY

CHARACTERISTIC TEST FROM BURNER IGNITES AND ESTABLISHES

Next: p191

BURNER IGNITES BUT DOES NOT ESTABLISH

CHARACTERISTIC TEST FROM BURNER IGNITES AND ESTABLISHES

Next: p193

FAULT CODE DISPLAYED

CHARACTERISTIC TEST FROM BOILER SELF CHECK

Next: p2395

HEAT EXCHANGER FLUEWAYS RESTRICTED

CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS

Next: !p2600

BURNER RESTRICTED AND/OR DAMAGED

CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS

Next: !p2602

ELECTRODE UNSATISFACTORY

CHARACTERISTIC TEST FROM INSPECTION IGNITION ELECTRODES & LEADS

Next: !p2612

IGNITION LEADS UNSATISFACTORY

CHARACTERISTIC TEST FROM INSPECTION IGNITION ELECTRODES & LEADS

Next: !p2614

HEAT EXCHANGER FLUEWAYS RESTRICTED

CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS

Next: !p2617

IGNITION ELECTRODES UNSATISFACTORY

CHARACTERISTIC TEST FROM INSPECTION BURNER/ ELECTRODE POSITION/ HEAT EXCHANGER FLUEWAYS

Next: !p2619

BURNER RESTRICTED AND/OR DAMAGED

CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS

Next: !p2621

ELECTRODE UNSATISFACTORY

CHARACTERISTIC TEST FROM INSPECTION IGNITION ELECTRODES & LEADS

Next: !p2628

IGNITION LEAD UNSATISFACTORY

CHARACTERISTIC TEST FROM INSPECTION CONDENSATION PUMP & HOUSING

Next: !p2635

HEAT EXCHANGER FLUEWAYS RESTRICTED

CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS

Next: !p2643

BURNER RESTRICTED AND/OR DAMAGED

CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS

Next: !p2645

HEAT EXCHANGER FLUEWAYS RESTRICTED

CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS

Next: !p2664

BURNER RESTRICTED AND/OR DAMAGED

CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS

Next: !p2666

HEAT EXCHANGER FLUEWAYS RESTRICTED

CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS

Next: !p2693

BURNER RESTRICTED AND/OR DAMAGED

CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS

Next: !p2695

BOTH DISPLAYS DO NOT OPERATE

CHARACTERISTIC TEST FROM POWER UP

Next: p2732

BOILER DISPLAY OPERATES, CONTROL UNIT DISPLAY DOES NOT

CHARACTERISTIC TEST FROM POWER UP

Next: p2766

FAN RUNS CONTINUOUSLY AT HIGH SPEED

CHARACTERISTIC TEST FROM FAN RUNS SELF CHECK

Next: p2735

FAN DOESN'T RUN

CHARACTERISTIC TEST FROM FAN RUNS SELF CHECK

Next: p2737

TEST 1 VOLTAGE NOT AS EXPECTED

CHARACTERISTIC TEST FROM VOLTAGE CONTROL UNIT @ PCB

Next: !p2769

TEST 2 VOLTAGE NOT AS EXPECTED

CHARACTERISTIC TEST FROM VOLTAGE CONTROL UNIT @ PCB

Next: !p2771

CONDENSATION PUMP UNSATISFACTORY

CHARACTERISTIC TEST FROM INSPECTION CONDENSATION PUMP & HOUSING

Next: !p2884

SUMP ASSEMBLY RESTRICTED AND/OR BLOCKED

CHARACTERISTIC TEST FROM INSPECTION CONDENSATION PUMP & HOUSING

Next: !p2886

TEMPERATURE EXCEEDS 75 °C & CONTINUES TO FIRE

CHARACTERISTIC TEST FROM OBSERVATION CH - OVERHEAT OCCUR

Next: !p2929

BOILER GOES TO FAULT CODE E110 BEFORE 75 °C

CHARACTERISTIC TEST FROM OBSERVATION CH - OVERHEAT OCCUR

Next: p2909

CONDENSATION PUMP UNSATISFACTORY

CHARACTERISTIC TEST FROM INSPECTION CONDENSATION PUMP & HOUSING

Next: !p2923

SUMP ASSEMBLY RESTRICTED AND/OR BLOCKED

CHARACTERISTIC TEST FROM INSPECTION CONDENSATION PUMP & HOUSING

Next: !p2925

TEMPERATURE EXCEEDS 75 °C & CONTINUES TO FIRE

CHARACTERISTIC TEST FROM OBSERVATION CH - OVERHEAT OCCUR

Next: !p2983

BOILER UP TO TEMPERATURE RADS COLD

CHARACTERISTIC TEST FROM OPERATION CH

Next: !p2985

CONDENSATION PUMP UNSATISFACTORY

CHARACTERISTIC TEST FROM INSPECTION CONDENSATION PUMP & HOUSING

Next: !p3009

SUMP ASSEMBLY RESTRICTED AND/OR BLOCKED

CHARACTERISTIC TEST FROM INSPECTION CONDENSATION PUMP & HOUSING

Next: !p3011

OFF DISPLAYED, BOILER CONTROL UNIT

CHARACTERISTIC TEST FROM POWER UP

Next: !p3080

DHW OPERATION UNSATISFACTORY

CHARACTERISTIC TEST FROM OPERATION DHW

Next: !p3091

BOILER DOES NOT RESPOND TO DHW DEMAND

CHARACTERISTIC TEST FROM OPERATION DHW

Next: !p3093

CONDENSATION PUMP UNSATISFACTORY

CHARACTERISTIC TEST FROM INSPECTION CONDENSATION PUMP & HOUSING

Next: !p3182

SUMP ASSEMBLY RESTRICTED AND/OR BLOCKED

CHARACTERISTIC TEST FROM INSPECTION CONDENSATION PUMP & HOUSING

Next: !p3184

BOILER UP TO TEMPERATURE RADS COLD

CHARACTERISTIC TEST FROM OPERATION CH

Next: p2697

BOILER TEMPERATURE LOW SYSTEM TEMPERATURE LOW

CHARACTERISTIC TEST FROM OPERATION CH

Next: p2672

SYSTEM PRESSURE RISE EXCESSIVE - APPLIES TO SEALED SYSTEM ONLY-

CHARACTERISTIC TEST FROM OPERATION CH

Next: p369

08/09/2022 12:08:09 2207_1_50_1 20/10/2022 11:18:22

08/09/2022 13:33:01

Next: End

VOLTAGE SWITCHED LIVE - IN

ENSURE NO DEMANDS ARE PRESENT

Next: !p2393, !f2392

INSPECTION IGNITION ELECTRODES & LEADS

REMOVED ELECTRODE ASSEMBLY
DISCONNECT IGNITION LEADS FROM SPARK GENERATOR, NOTE CONNECTIONS

Next: p2569, ?2627, ?2629

VOLTAGE GAS VALVE

Next: p3185, f2584

VOLTAGE GAS VALVE AT PCB

{GAINPCBACS}
PLAC

Next: !p2585, f2586

RESISTANCE GAS VALVE & HARNESS

REMOVE CONNECTOR X3 FROM THE PCB

Next: !p2587, f2588

RESISTANCE GAS VALVE

DISCONNECT THE LEAD FROM THE GAS VALVE

Next: !p2589, !f2590

INSPECTION FLUE

Next: p2680, !f2681

CH DEMAND RECOGNISED

Next: p2706, f2707

VOLTAGE SWITCHED LIVE - DEMAND

Next: p2772, !f2709

RESET BOILER - FAULT CODE

Next: !p2781, !f2782

VOLTAGE AT PCB MAINS

{GAINPCBACS}
PLAC

Next: !p2746, f2747

RESISTANCE ON/OFF SWITCH

GAIN ACCESS TO ON/OF

Next: !p2748, !f2749

INSPECTION CONDENSATE

Next: p3114, !f2854

VOLTAGE AT CONDENSATE PUMP

ENSURE NO DEMANDS ARE PRESENT

Next: !p2938, f2939

RESISTANCE OVERHEAT STAT

REMOVE 1X CONNECTOR FROM OVERHEAT STAT

Next: p2875, !f2876

INSPECTION CONDENSATION PUMP & HOUSING

REMOVE CONDENSATE PUMP FROM SUMP ASSEMBLY (SEE NOTE)

Next: !p2879, ?2883, ?2885

INSPECTION CONDENSATION PUMP & HOUSING

REMOVE CONDENSATE PUMP FROM SUMP ASSEMBLY (SEE NOTE)

Next: !p2921, ?2922, ?2924

VOLTAGE CONDENSATE PUMP AT PCB

{GAINPCBACS}
PLAC

Next: !p2940, !f2941

RESISTANCE CONNECTOR X400

REMOVE CONNECTOR X400 FROM THE PCB

Next: p2944, !f2945

OBSERVATION SYSTEM FILLED & VENTED

Next: p2950, !f2951

RESET BOILER - FAULT CODE E131

Next: !p2989, !f2988

RESET BOILER - FAULT CODE E155

Next: !p2991, !f2992

INSPECTION CONDENSATE

Next: p2994, !f2995

VOLTAGE AT CONDENSATE PUMP

ENSURE NO DEMANDS ARE PRESENT

Next: !p2998, f2999

VOLTAGE CONDENSATE PUMP AT PCB

{GAINPCBACS}
PLAC

Next: !p3000, !f3001

RESISTANCE DISCHARGE FLOAT SWITCH

DISCONNECT INLINE CONNECTOR TO CONDENSATE DISCHARGE LEVEL SWITCH

Next: !p3004, f3006

INSPECTION CONDENSATION PUMP & HOUSING

REMOVE CONDENSATE PUMP FROM SUMP ASSEMBLY (SEE NOTE)

Next: !p3007, ?3008, ?3010

VOLTAGE AC TO FAN

GAIN ACCESS TO PCB (

Next: p3016, f3017

VOLTAGE AT PCB MAINS

{GAINPCBACS}
PLAC

Next: !p3018, f3019

RESISTANCE ON/OFF SWITCH

GAIN ACCESS TO ON/OF

Next: !p3020, !f3021

RESISTANCE GAS VALVE & HARNESS - FUSE FURTHER INVESTIGATION

REMOVE CONNECTOR X3 FROM THE PCB

Next: p3036, f3037

RESISTANCE GAS VALVE - FUSE FURTHER INVESTIGATION

DISCONNECT THE LEAD FROM THE GAS VALVE

Next: !p3038, !f3039

RESISTANCE CONDENSATE PUMP - FUSE FURTHER INVESTIGATION

REMOVE ELECTRICAL CONNECTIONS TO CONDENSATE PUMP

Next: !p3042, !f3043

RESISTANCE FAN - FUSE FURTHER INVESTIGATION

REMOVE THE 3 WIRE CONNECTOR FROM THE FAN

Next: !p3046, !f3047

RESISTANCE SPARK GENERATOR - FUSE FURTHER INVESTIGATION

REMOVE ELECTRICAL CONNECTOR FROM SPARK GENERATOR

Next: !p3050, !f3052

RESISTANCE GAS VALVE & HARNESS

REMOVE CONNECTOR X3 FROM THE PCB

Next: p3056, f3057

RESISTANCE GAS VALVE

DISCONNECT THE LEAD FROM THE GAS VALVE

Next: !p3077, !f3078

RESISTANCE SPARK GENERATOR - FUSE FURTHER INVESTIGATION

REMOVE ELECTRICAL CONNECTOR FROM SPARK GENERATOR

Next: !p3063, !f3064

RESISTANCE FAN

REMOVE THE 3 WIRE CONNECTOR FROM THE FAN

Next: !p3067, !f3068

RESISTANCE CONDENSATE PUMP - FUSE FURTHER INVESTIGATION

REMOVE ELECTRICAL CONNECTIONS TO CONDENSATE PUMP

Next: !p3075, !f3076

RESISTANCE DISCHARGE FLOAT SWITCH

DISCONNECT INLINE CONNECTOR TO CONDENSATE DISCHARGE LEVEL SWITCH

Next: !p3164, f3171

OBSERVATION CONDENSATE PUMP

ENSURE NO DEMANDS ARE PRESENT
ENSURE BOILER IS COOL

Next: p3179, f3173

VOLTAGE AT CONDENSATE PUMP

ENSURE NO DEMANDS ARE PRESENT

Next: !p3174, f3175

VOLTAGE CONDENSATE PUMP AT PCB

{GAINPCBACS}
PLAC

Next: !p3176, !f3177

RESISTANCE SENSOR TEMP PRIMARY

DISCONNECT INLINE CO

Next: !p3213, !f3214

RESISTANCE FUSE (MAIN)

REMOVE FUSE FROM FUSED SPUR

Next: p3223, f3224

FURTHER INVESTIGATION FUSE (MAIN)

THE INFORMATION PROV

Next: !p3225, !f3226

OBSERVATION CAN CALIBRATION FUNCTION BE DISABLED

Next: !p3241, !f3242

RESISTANCE SENSOR TEMP PRIMARY

DISCONNECT INLINE CO

Next: !p3249, !f3250

RESISTANCE GAS VALVE

DISCONNECT THE LEAD FROM THE GAS VALVE

Next: !p3253, !f3254

VOLTAGE GAS VALVE

Next: !p3257, !f3258

RESISTANCE SPARK GENERATOR - FUSE FURTHER INVESTIGATION

REMOVE ELECTRICAL CONNECTOR FROM SPARK GENERATOR

Next: !p3261, !f3262

RESISTANCE FAN - FUSE FURTHER INVESTIGATION

REMOVE THE 3 WIRE CONNECTOR FROM THE FAN

Next: !p3265, !f3266

VOLTAGE AC TO FAN

GAIN ACCESS TO PCB (

Next: !p3269, !f3270

RESISTANCE CONDENSATE PUMP - FUSE FURTHER INVESTIGATION

REMOVE ELECTRICAL CONNECTIONS TO CONDENSATE PUMP

Next: !p3275, !f3276

VOLTAGE AT CONDENSATE PUMP

ENSURE NO DEMANDS ARE PRESENT

Next: !p3277, !f3278

RESISTANCE SENSOR TEMP PRIMARY AND HARNESS

REMOVE THE PLUG X401 FROM THE PCB

Next: p2723, f586

RESISTANCE SENSOR TEMP PRIMARY

DISCONNECT INLINE CO

Next: !p587, !f588

OBSERVATION FAN RUNS

Next: p722, f3015

RESISTANCE SENSOR TEMP PRIMARY

DISCONNECT INLINE CO

Next: p2670, !f2671

RESISTANCE FAN HARNESS

REMOVE THE 4 WIRE CONNECTOR FROM THE FAN
REMOVE CONNECTOR X401 FROM THE PCB

Next: p1114, !f1115

VOLTAGE AC TO FAN

GAIN ACCESS TO PCB (

Next: p1100, !f2403

RESISTANCE FAN HARNESS AC

REMOVE THE 3 WIRE CONNECTOR FROM THE FAN ASSEMBLY

Next: p1539, !f1107

VOLTAGE FAN SUPPLY

{GAINPCBACS}
PLAC

Next: p1116, !f1117

VOLTAGE DC FAN SPEED ON START UP

Next: !p1306, !f1307

VOLTAGE DC FAN DEMAND STARTUP

Next: !p1549, !f1550

OBSERVATION BOILER TEMPERATURE - DISPLAY

ENSURE NO DEMANDS ARE PRESENT

Next: p2382, f1443

RESISTANCE FAN HARNESS

REMOVE THE 4 WIRE CONNECTOR FROM THE FAN
REMOVE CONNECTOR X401 FROM THE PCB

Next: p1543, !f1548

VOLTAGE FAN SUPPLY

{GAINPCBACS}
PLAC

Next: p1158, !f1547

GAS INLET PRESSURE

ATTACH PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: p202, !f203

GAS INLET PRESSURE

ATTACH PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: p2647, !f195

INSPECTION COMPENSATION TUBE

Next: p204, !f2640

INSPECTION AIR INTAKE

Next: p206, !f2639

INSPECTION FLUE

Next: p3200, !f2641

INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS

REMOVE BURNER ASSEMBLY FROM BOILER

Next: !p2636, ?2642, ?2644

TEMPERATURE FLOW PIPE (FROST PROTECTION)

ATTACH FGA TEMPERATURE SENSOR TO PRIMARY HEAT EXCHANGER FLOW CONNECTION

Next: p2383, !f2384

RESISTANCE SENSOR TEMP PRIMARY

DISCONNECT INLINE CO

Next: !p2385, !f2386

FAULT CODES

Next: !p2396, !f2397

INSPECTION COMPENSATION TUBE

Next: p2565, !f2566

OBSERVATION SPARKING OCCURS

REMOVE ELECTRODE LEA

Next: p2567, f2568

GAS INLET PRESSURE

ATTACH PRESSURE GAUGE TO THE INLET PRESSURE TEST POINT

Next: p2579, !f2580

RESISTANCE SPARK GENERATOR HARNESS

REMOVE CONNECTOR FROM SPARK GENERATOR

Next: p2571, !f2626

VOLTAGE SPARK GENERATOR AT PCB - DISCONNECTED SPARK GENERATOR

{GAINPCBACS}
PLAC

Next: p2624, !f2633

OBSERVATION GAS VALVE OPENS

ATTACH U-GAUGE TO GAS INLET PRESSURE TEST POINT
ENSURE NO DEMANDS

Next: p2581, f2582

INSPECTION AIR INTAKE

Next: p2603, !f2604

INSPECTION AIR INTAKE

Next: p2591, !f2592

INSPECTION FLUE

Next: p2593, !f2594

INSPECTION INJECTOR

REMOVE GAS PIPE WHICH RUNS BETWEEN GAS VALVE & FAN ASSEMBLY
REMOVE INJECTOR

Next: p2595, !f2596

INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS

REMOVE BURNER ASSEMBLY FROM BOILER

Next: !p2597, ?2599, ?2601

INSPECTION FLUE

Next: p2605, !f2606

INSPECTION INJECTOR

REMOVE GAS PIPE WHICH RUNS BETWEEN GAS VALVE & FAN ASSEMBLY
REMOVE INJECTOR

Next: p2607, !f2608

INSPECTION IGNITION ELECTRODES & LEADS

REMOVED ELECTRODE ASSEMBLY
DISCONNECT IGNITION LEADS FROM SPARK GENERATOR, NOTE CONNECTIONS

Next: p2609, ?2611, ?2613

INSPECTION BURNER/ ELECTRODE POSITION/ HEAT EXCHANGER FLUEWAYS

REMOVE BURNER ASSEMBLY FROM BOILER

Next: !p2615, ?2616, ?2618, ?2620

VOLTAGE SPARK GENERATOR AT PCB - CONNECTED SPARK GENERATOR

{GAINPCBACS}
RECONNECT PLUG TO SPARK GENERATOR IF YOU HAVE NOT ALREADY DONE SO

Next: !p2634, !f2632

VOLTAGE RECTIFICATION ON PCB

{GAINPCBACS}
PLAC

Next: p2655, !f2649

RESISTANCE DETECTION LEAD

DISCONNECT DETECTION LEAD AT THE INLINE CONNECTOR

Next: p2658, !f2668

INSPECTION DETECTION ELECTRODE

REMOVE DETECTION ELECTRODE FROM BURNER

Next: p2661, !f2660

INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS

REMOVE BURNER ASSEMBLY FROM BOILER

Next: !p2662, ?2663, ?2665

GAS RATE

Next: !p2689, f2678

PUMP RUNS (LIMPET TEST)

Next: p1014, !f2676

INSPECTION AIR INTAKE

Next: p2690, !f2688

INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS

REMOVE BURNER ASSEMBLY FROM BOILER

Next: !p2696, ?2692, ?2694

OBSERVATION SYSTEM FILLED & VENTED

Next: p2698, !f2699

PUMP RUNS (LIMPET TEST)

Next: p2700, !f2701

BYPASS

Next: !p2702, !f2703

RESISTANCE SENSOR TEMP PRIMARY

DISCONNECT INLINE CO

Next: !p2721, !f2722

RESET BOILER - FAULT CODE

Next: !p2724, !f2725

FAN RUNS SELF CHECK

Next: !p2733, ?2734, ?2736

REMOVE FAN CONNECTOR DOES DISPLAY NOW WORK

REMOVE LOW VOLTAGE CONNECTOR FROM FAN ASSEMBLY

Next: p2758, !f2759

VOLTAGE MAINS POWER INPUT TO APPLIANCE

Next: p2738, f3217

VOLTAGE AC TO FAN

GAIN ACCESS TO PCB (

Next: p2744, f2745

RESISTANCE FAN HARNESS AC

REMOVE THE 3 WIRE CONNECTOR FROM THE FAN ASSEMBLY

Next: p2750, !f2751

RESISTANCE FAN HARNESS

REMOVE THE 4 WIRE CONNECTOR FROM THE FAN
REMOVE CONNECTOR X401 FROM THE PCB

Next: p2752, !f2753

VOLTAGE FAN SUPPLY

{GAINPCBACS}
PLAC

Next: p2754, !f2755

VOLTAGE DC FAN DEMAND STARTUP

Next: !p2756, !f2757

RESISTANCE FAN HARNESS

REMOVE THE 4 WIRE CONNECTOR FROM THE FAN
REMOVE CONNECTOR X401 FROM THE PCB

Next: p2760, !f2761

VOLTAGE FAN SUPPLY

{GAINPCBACS}
PLAC

Next: p2762, !f2763

VOLTAGE DC FAN SPEED ON START UP

Next: !p2764, !f2765

VOLTAGE CONTROL UNIT @ PCB

{GAINPCBACS}

Next: !p2767, ?2768, ?2770

OBSERVATION CONNECTOR X9

{GAINPCBACS}

Next: p2773, !f2774

VOLTAGE SWITCH LIVE PCB - DEMAND

{GAINPCBACS}
PLAC

Next: !p2775, !f2776

OBSERVATION CONDENSATE PUMP

ENSURE NO DEMANDS ARE PRESENT
ENSURE BOILER IS COOL

Next: p2867, f2856

RESISTANCE OVERHEAT THERMOSTAT & CONDENSATE EXCESS LEVEL SENSOR

REMOVED CONNECTOR X401 FROM THE PCB

Next: p2887, f2874

RESISTANCE CONDENSATE EXCESS LEVEL SENSOR

DISCONNECT INLINE CONNECTOR TO CONDENSATE EXCESS LEVEL SENSOR

Next: !p3208, f2878

RESET BOILER - FAULT CODE E110

ENSURE BOILER IS COOL

Next: p2896, !f2926

OBSERVATION PUMP RUNS CH DEMAND

THE PUMP IS NOT AN INTEGRAL PART OF THE APPLIANCE
AND WILL THEREFORE BE LOCATED EXTERNALLY

Next: p2890, !f2891

PUMP RUNS (LIMPET TEST)

Next: p3094, !f2893

RESISTANCE SENSOR TEMP PRIMARY

DISCONNECT INLINE CO

Next: p2894, !f2930

OBSERVATION CH - OVERHEAT OCCUR

Next: !p2927, ?2906, ?2908

OBSERVATION SYSTEM FILLED & VENTED

Next: p2888, !f2904

RESISTANCE OVERHEAT STAT

REMOVE 1X CONNECTOR FROM OVERHEAT STAT

Next: p2912, !f2913

RESISTANCE CONDENSATE EXCESS LEVEL SENSOR

DISCONNECT INLINE CONNECTOR TO CONDENSATE EXCESS LEVEL SENSOR

Next: !p2914, f2920

RESET BOILER - FAULT CODE

Next: !p2946, !f2947

OBSERVATION PUMP RUNS CH DEMAND

THE PUMP IS NOT AN INTEGRAL PART OF THE APPLIANCE
AND WILL THEREFORE BE LOCATED EXTERNALLY

Next: p2952, !f2953

PUMP RUNS (LIMPET TEST)

Next: p2963, !f2955

RESISTANCE SENSOR TEMP PRIMARY

DISCONNECT INLINE CO

Next: p2975, !f2957

OBSERVATION CH - FAULT CODE E125 OCCURS

Next: !p2981, ?2982, ?2984

BYPASS

Next: p2954, !f2973

RESET BOILER - FAULT CODE

Next: p2956, !f2979

OBSERVATION CONDENSATE PUMP

ENSURE NO DEMANDS ARE PRESENT
ENSURE BOILER IS COOL

Next: p2996, f2997

RESISTANCE DISCHARGE FLOAT SWITCH & HARNESS

REMOVE CONNECTOR X400 FROM THE PCB

Next: p3002, f3003

RESET BOILER - FAULT CODE

Next: !p3012, !f3013

RESISTANCE FAN HARNESS AC

REMOVE THE 3 WIRE CONNECTOR FROM THE FAN ASSEMBLY

Next: p3022, !f3023

RESISTANCE FAN HARNESS

REMOVE THE 4 WIRE CONNECTOR FROM THE FAN
REMOVE CONNECTOR X401 FROM THE PCB

Next: p3024, !f3025

VOLTAGE FAN SUPPLY

{GAINPCBACS}
PLAC

Next: p3026, !f3027

VOLTAGE DC FAN DEMAND STARTUP

Next: !p3028, !f3029

RESISTANCE CONDENSATE PUMP & HARNESS- FUSE FURTHER INVESTIGATION

REMOVE CONNECTOR X3 FROM THE PCB

Next: p3040, f3041

RESISTANCE FAN & HARNESS- FUSE FURTHER INVESTIGATION

REMOVE CONNECTOR X2 FROM THE PCB

Next: p3044, f3045

RESISTANCE SPARK GENERATOR & HARNESS - FUSE FURTHER INVESTIGATION

REMOVE CONNECTOR X2 FROM THE PCB

Next: !p3048, f3049

RESISTANCE SPARK GENERATOR & HARNESS

REMOVE CONNECTOR X2 FROM THE PCB

Next: p3060, f3062

RESISTANCE FAN & HARNESS

REMOVE CONNECTOR X2 FROM THE PCB

Next: p3070, f3066

RESISTANCE CONDENSATE PUMP & HARNESS

REMOVE CONNECTOR X3 FROM THE PCB

Next: p3209, f3074

BYPASS

Next: p2892, !f3113

RESISTANCE DISCHARGE FLOAT SWITCH & HARNESS

REMOVE CONNECTOR X400 FROM THE PCB

Next: p2853, f3163

INSPECTION CONDENSATION PUMP & HOUSING

REMOVE CONDENSATE PUMP FROM SUMP ASSEMBLY (SEE NOTE)

Next: !p3180, ?3181, ?3183

RESISTANCE GAS VALVE

DISCONNECT THE LEAD FROM THE GAS VALVE

Next: p2583, !f3199

INSPECTION INJECTOR

REMOVE GAS PIPE WHICH RUNS BETWEEN GAS VALVE & FAN ASSEMBLY
REMOVE INJECTOR

Next: p208, !f3207

RESISTANCE SENSOR TEMP PRIMARY AND HARNESS

REMOVE THE PLUG X401 FROM THE PCB

Next: !p3210, f3212

NO POWER FURTHER INVESTIGATION

THE INFORMATION PROV

Next: p3235, !f3228

OBSERVATION REMOVE ELECTRICAL CONNECTOR TO APPLIANCE

REMOVE ELECTRICAL CONNECTOR FROM RIGHT-HAND SIDE OF BOILER

Next: !p3238, !f3237

EXPANSION VESSEL PRESSURE

Next: !p370, !f371

RESISTANCE FAN HARNESS

REMOVE THE 4 WIRE CONNECTOR FROM THE FAN
REMOVE CONNECTOR X401 FROM THE PCB

Next: !p3034, !f795

Welcome to the XSol Diagnostic System