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:

VAILLANT ECOMAX VU 186 EH

G.C. NUMBER 41 044 1

Next: &13, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

SYSTEM PRESSURE

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: &nff, !f14

CENTRAL HEATING

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: &1, ?69, ?73

CH DEMAND SATISFIED

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MINIMUM

Next: &2, ?550, ?552, ?554, ?556, ?558, ?560, ?562, ?564, ?566, ?568, ?570, ?572, ?574, ?576, ?578, ?580, ?582, ?584, ?586, ?588, ?856

PUMP RUNNING

{GAINPCBACS}
MAIN

Next: &5, f41

CH DEMAND

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: &6, ?338, ?340, ?342, ?344, ?346, ?348, ?350, ?352, ?354, ?356, ?358, ?360, ?362, ?364, ?366, ?368, ?370, ?372, ?374, ?376, ?854

INSTRUCTIONS - RESET

Next: &7, !f302

INSTRUCTIONS - STATUS MODE

Next: &8, !f38

MULTIFUNCTION DISPLAY CHECK

MAIN ON/OFF CONTROL IN THE ON POSITION

Next: &9, ?20, ?22

INSTRUCTIONS - MULTIFUNCTIONAL DISPLAY

Next: &10, !f18

SYSTEM CHECKS

{GAINPCBACS}

Next: &11, !f16

VAILLANT ECOMAX VU 186 EH

G.C. NUMBER 41 044 1

Next: &12, !f15

SYSTEM PRESSURE

EXPANSION VESSEL

Next: End

ELECTRICAL SAFETY CHECKS

ELECTRICAL SAFETY CHECKS

Next: End

SYSTEM CHECKS

SYSTEM CHECKS

Next: End

INSTRUCTIONS - MULTIFUNCTIONAL DISPLAY

INCORRECT USE OF 'FAIL'

Next: End

MULTIFUNCTIONAL DISPLAY CHECK

FUSE 2A

Next: End

MULTIFUNCTION DISPLAY CHECK

FUSE 2A

Next: End

MULTIFUNCTION DISPLAY CHECK

Next: End

INSTRUCTIONS - RESET

INCORRECT USE OF 'FAIL'

Next: End

MULTIFUNCTION DISPLAY CHECK

FUSE 1AT

Next: End

NO DISPLAY, BOILER NOT FUNCTIONING

PCB - LCD

Next: End

INSTRUCTIONS - STATUS MODE

INCORRECT USE OF 'FAIL'

Next: End

S1 2

FAN ELECTRICAL CONNECTIONS

Next: End

S1

PCB

Next: End

S1

FAN ELECTRICAL CONNECTIONS

Next: End

S1

FAN - COMPLETE - SPECIAL

Next: End

S1

AIR PRESSURE SENSOR ELECTRICAL CONNECTIONS

Next: End

S1

AIR PRESSURE SENSOR GAS VALVE CONNECTIONS

Next: End

S1

SIPHON

Next: End

S1

FLUE

Next: End

F30/F32/F33 2

FAN ELECTRICAL CONNECTIONS

Next: End

F30 F32 F33

PCB

Next: End

F30/F32/F33

FAN ELECTRICAL CONNECTIONS

Next: End

F30/F32/F33

FAN - COMPLETE - SPECIAL

Next: End

F30/F32/F33

AIR PRESSURE SENSOR ELECTRICAL CONNECTIONS

Next: End

F30/F32/F33

AIR PRESSURE SENSOR GAS VALVE CONNECTIONS

Next: End

F30/F32/F33

SIPHON

Next: End

F30/F32/F33

FLUE

Next: End

PUMP RUNNING

PCB - CPU

Next: End

PUMP RUNNING

PUMP ELECTRICAL CONNECTIONS

Next: End

S3 2

PCB - CPU

Next: End

S3

IGNITION ELECTRODE: EARTH LEAD

Next: End

S3

WIRE - IGNITION

Next: End

S3

GAS VALVE ELECTRICAL CONNECTIONS

Next: End

S3

BURNER

Next: End

F21 2

PCB - CPU

Next: End

F21

IGNITION ELECTRODE: EARTH LEAD

Next: End

F21

WIRE - IGNITION

Next: End

F21

GAS VALVE ELECTRICAL CONNECTIONS

Next: End

F21

BURNER

Next: End

F0/F20/F24

SENSOR - NTC - CONNECTIONS

Next: End

F1/F20/F24

SENSOR - NTC - CONNECTIONS

Next: End

F2/F23

SENSOR - NTC - CONNECTIONS

Next: End

F24

SENSOR - NTC - CONNECTIONS

Next: End

F24

SENSOR - NTC - CONNECTIONS

Next: End

S0/S31

PROGRAMMER

Next: End

S0/S31

PCB - RELAY

Next: End

F22/F23

PUMP ELECTRICAL CONNECTIONS

Next: End

F22/F23

PCB - CPU

Next: End

F60

GAS VALVE ELECTRICAL CONNECTIONS

Next: End

S0/S31 SATISFIED

PCB - RELAY

Next: End

S0/S31 SATISFIED

PROGRAMMER

Next: End

S1 2 SATISFIED

FAN ELECTRICAL CONNECTIONS

Next: End

S1 SATISFIED

PCB

Next: End

S1 SATISFIED

FAN ELECTRICAL CONNECTIONS

Next: End

S1 SATISFIED

FAN - COMPLETE - SPECIAL

Next: End

S1 SATISFIED

AIR PRESSURE SENSOR ELECTRICAL CONNECTIONS

Next: End

S1 SATISFIED

AIR PRESSURE SENSOR GAS VALVE CONNECTIONS

Next: End

S1 SATISFIED

SIPHON

Next: End

S1 SATISFIED

FLUE

Next: End

S3 2 SATISFIED

PCB - CPU

Next: End

S3 SATISFIED

IGNITION ELECTRODE: EARTH LEAD

Next: End

S3 SATISFIED

WIRE - IGNITION

Next: End

S3 SATISFIED

GAS VALVE ELECTRICAL CONNECTIONS

Next: End

S3 SATISFIED

BURNER

Next: End

F0/F20/F24 SATISFIED

SENSOR - NTC - CONNECTIONS

Next: End

F1/F20/F24 SATISFIED

SENSOR - NTC - CONNECTIONS

Next: End

F2/F23 SATISFIED

SENSOR - NTC - CONNECTIONS

Next: End

F21 2 SATISFIED

PCB - CPU

Next: End

F21 SATISFIED

IGNITION ELECTRODE: EARTH LEAD

Next: End

F21 SATISFIED

WIRE - IGNITION

Next: End

F21 SATISFIED

GAS VALVE ELECTRICAL CONNECTIONS

Next: End

F21 SATISFIED

BURNER

Next: End

F22/F23 SATISFIED

PCB - CPU

Next: End

F22/F23 SATISFIED

PUMP ELECTRICAL CONNECTIONS

Next: End

F24 SATISFIED

SENSOR - NTC - CONNECTIONS

Next: End

F24 SATISFIED

SENSOR - NTC - CONNECTIONS

Next: End

F30/F32/F33 2 SATISFIED

FAN ELECTRICAL CONNECTIONS

Next: End

F30 F32 F33 SATISFIED

PCB

Next: End

F30/F32/F33 SATISFIED

FAN ELECTRICAL CONNECTIONS

Next: End

F30/F32/F33 SATISFIED

FAN - COMPLETE - SPECIAL

Next: End

F30/F32/F33 SATISFIED

AIR PRESSURE SENSOR ELECTRICAL CONNECTIONS

Next: End

F30/F32/F33 SATISFIED

AIR PRESSURE SENSOR GAS VALVE CONNECTIONS

Next: End

F30/F32/F33 SATISFIED

SIPHON

Next: End

F30/F32/F33 SATISFIED

FLUE

Next: End

F60 SATISFIED

GAS VALVE ELECTRICAL CONNECTIONS

Next: End

F31/F34 - NO PERM VOLTAGE

PCB - CPU

Next: End

F31/F34

SIPHON

Next: End

F31/F34

FLUE

Next: End

F31/F34

AIR PRESSURE SENSOR ELECTRICAL CONNECTIONS

Next: End

F31/F34

AIR PRESSURE SENSOR GAS VALVE CONNECTIONS

Next: End

S3

RING PACKING

Next: End

S3

FLAME SENSE ELECTRODE LEAD

Next: End

S3

ELECTRODE MONITORING

Next: End

F21

RING PACKING

Next: End

F21

FLAME SENSE ELECTRODE LEAD

Next: End

F21

ELECTRODE MONITORING

Next: End

F21 SATISFIED

RING PACKING

Next: End

F21 SATISFIED

FLAME SENSE ELECTRODE LEAD

Next: End

F21 SATISFIED

ELECTRODE MONITORING

Next: End

S3 SATISFIED

RING PACKING

Next: End

S3 SATISFIED

FLAME SENSE ELECTRODE LEAD

Next: End

S3 SATISFIED

ELECTRODE MONITORING

Next: End

F31/F34 - NO PERM VOLTAGE SATISFIED

PCB - CPU

Next: End

F31/F34 SATISFIED

SIPHON

Next: End

F31/F34 SATISFIED

FLUE

Next: End

F31/F34 SATISFIED

AIR PRESSURE SENSOR ELECTRICAL CONNECTIONS

Next: End

F31/F34 SATISFIED

AIR PRESSURE SENSOR GAS VALVE CONNECTIONS

Next: End

NO DISPLAY, BUT BOILER OPERATION APPEARS OKAY

PCB - LCD

Next: End

MULTIFUNCTION DISPLAY CHECK

TRANSFORMER

Next: End

S5 CH DEMAND

PCB - CPU

Next: End

S7 CH DEMAND

PCB - CPU

Next: End

MULTIFUNCTION DISPLAY CHECK

PCB - RECTIFIER BOARD

Next: End

F10/F20/F24 CH DEMAND

SENSOR - NTC

Next: End

F11/F20/F24 CH DEMAND

SENSOR - NTC

Next: End

F20 CH DEMAND

OVERHEAT THERMOSTAT - RESET BUTTON

Next: End

F21/F25/F48/F50 CH DEMAND

FUSE 5A - TEMPORISED

Next: End

MULTIFUNCTIONAL DISPLAY CHECK

PCB - CPU

Next: End

F25 CH DEMAND

FUSE - 100MA - 20MM

Next: End

S1 3

PCB - CPU

Next: End

S1 2

PCB - CPU

Next: End

S1

PCB - CPU

Next: End

S1

PRESSURE CONTROL

Next: End

F30/F32/F33 3

PCB - CPU

Next: End

F30/F32/F33 2

PCB - CPU

Next: End

F30/F32/F33

PCB - CPU

Next: End

F30/F32/F33

PRESSURE CONTROL

Next: End

PUMP RUNNING

PCB - RELAY

Next: End

S3

PCB - RELAY

Next: End

S3

ELECTRODE - IGNITION

Next: End

S3

TRANSFORMER - IGNITION

Next: End

PUMP RUNNING

PUMP COMPLETE

Next: End

S3

NG GAS VALVE

Next: End

S3

PCB

Next: End

F21

PCB - RELAY

Next: End

F21

ELECTRODE - IGNITION

Next: End

F21

TRANSFORMER - IGNITION

Next: End

F21

NG GAS VALVE

Next: End

F21

PCB

Next: End

F0/F20/F24

SENSOR - NTC

Next: End

F1/F20/F24

SENSOR - NTC

Next: End

F2/F23

SENSOR - NTC

Next: End

F24

SENSOR - NTC

Next: End

S0/S31

PCB - CPU

Next: End

S0/S31

Next: End

F22/F23

PUMP COMPLETE

Next: End

F22/F23

PCB - RELAY

Next: End

F60

NG GAS VALVE

Next: End

F60

PCB

Next: End

CENTRAL HEATING

PRIMARY HEAT EXCHANGER

Next: End

S5 CH DEMAND SATISFIED

PCB - CPU

Next: End

S7 CH DEMAND SATISFIED

PCB - CPU

Next: End

F10/F20/F24 CH DEMAND SATISFIED

SENSOR - NTC

Next: End

F11/F20/F24 CH DEMAND SATISFIED

SENSOR - NTC

Next: End

F12/F23 CH DEMAND

SENSOR - NTC

Next: End

F20 CH DEMAND SATISFIED

OVERHEAT THERMOSTAT - RESET BUTTON

Next: End

F21/F25/F48/F50 CH DEMAND SATISFIED

FUSE 5A - TEMPORISED

Next: End

S0/S31 SATISFIED

Next: End

S0/S31 SATISFIED

PCB - CPU

Next: End

S1 3 SATISFIED

PCB - CPU

Next: End

S1 2 SATISFIED

PCB - CPU

Next: End

S1 SATISFIED

PCB - CPU

Next: End

S1 SATISFIED

PRESSURE CONTROL

Next: End

S3 SATISFIED

PCB - RELAY

Next: End

S3 SATISFIED

ELECTRODE - IGNITION

Next: End

S3 SATISFIED

TRANSFORMER - IGNITION

Next: End

S3 SATISFIED

NG GAS VALVE

Next: End

S3 SATISFIED

PCB

Next: End

F0/F20/F24 SATISFIED

SENSOR - NTC

Next: End

F1/F20/F24 SATISFIED

SENSOR - NTC

Next: End

F2/F23 SATISFIED

SENSOR - NTC

Next: End

F21 SATISFIED

PCB - RELAY

Next: End

F21 SATISFIED

ELECTRODE - IGNITION

Next: End

F21 SATISFIED

TRANSFORMER - IGNITION

Next: End

F21 SATISFIED

NG GAS VALVE

Next: End

F21 SATISFIED

PCB

Next: End

F22/F23 SATISFIED

PCB - RELAY

Next: End

F22/F23 SATISFIED

PUMP COMPLETE

Next: End

F24 SATISFIED

SENSOR - NTC

Next: End

F30/F32/F33 3 SATISFIED

PCB - CPU

Next: End

F30/F32/F33 2 SATISFIED

PCB - CPU

Next: End

F30/F32/F33 SATISFIED

PCB - CPU

Next: End

CH OPERATION QUIET

Next: End

F30/F32/F33 SATISFIED

PRESSURE CONTROL

Next: End

F25 CH DEMAND SATISFIED

FUSE - 100MA - 20MM

Next: End

F60 SATISFIED

PCB

Next: End

F60 SATISFIED

NG GAS VALVE

Next: End

F12/F23 SATISFIED

SENSOR - NTC

Next: End

F31/F34 - STUCK IN FAULT

PCB - CPU

Next: End

F31/F34 - STUCK MADE

PRESSURE CONTROL

Next: End

F31/F34 - NO VOLTAGE

PRESSURE CONTROL

Next: End

S3

PCB - CPU

Next: End

F21

PCB - CPU

Next: End

F21 SATISFIED

PCB - CPU

Next: End

S3 SATISFIED

PCB - CPU

Next: End

F31/F34 - STUCK IN FAULT SATISFIED

PCB - CPU

Next: End

F31/F34 - STUCK MADE SATISFIED

PRESSURE CONTROL

Next: End

F31/F34 - NO VOLTAGE SATISFIED

PRESSURE CONTROL

Next: End

F80

PCB - CPU

Next: End

F80 SATISFIED

PCB - CPU

Next: End

NO DISPLAY, BUT BOILER OPERATION APPEARS OKAY

CHARACTERISTIC TEST FROM MULTIFUNCTION DISPLAY CHECK

Next: !p303

NO DISPLAY, BOILER NOT FUNCTIONING

CHARACTERISTIC TEST FROM MULTIFUNCTION DISPLAY CHECK

Next: p23

CODE REMAINS ON S0 OR S31 FOR CH

CHARACTERISTIC TEST FROM CH DEMAND

Next: p378

CODE REMAINS ON S1

CHARACTERISTIC TEST FROM CH DEMAND

Next: p385

CODE REMAINS ON S3

CHARACTERISTIC TEST FROM CH DEMAND

Next: p454

CODE REMAINS ON S5

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p345

CODE REMAINS ON S7

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p347

FAULT CODE F0/F20 DISPLAYED AND MAYBE F24

CHARACTERISTIC TEST FROM CH DEMAND

Next: p515

FAULT CODE F1/F20 DISPLAYED AND MAYBE F24

CHARACTERISTIC TEST FROM CH DEMAND

Next: p518

FAULT CODE F2/F23 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: p521

FAULT CODE F10/F20 DISPLAYED AND MAYBE F24

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p355

FAULT CODE F11/F20 DISPLAYED AND MAYBE F24

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p357

FAULT CODE F12/F23 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p772

FAULT CODE F20 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p361

FAULT CODE F21 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: p481

FAULT CODE F21/F25/F48/F50 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p365

FAULT CODE F22/F23 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: p508

FAULT CODE F24 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: p524

FAULT CODE F25 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p371

FAULT CODE F30/F32/F33 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: p408

FAULT CODE F31/F34 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: p773

FAULT CODE F60 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: p529

CODE REMAINS ON S0 OR S31 FOR CH

CHARACTERISTIC TEST FROM CH DEMAND

Next: p615

CODE REMAINS ON S1

CHARACTERISTIC TEST FROM CH DEMAND

Next: p622

CODE REMAINS ON S3

CHARACTERISTIC TEST FROM CH DEMAND

Next: p645

CODE REMAINS ON S5

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p557

CODE REMAINS ON S7

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p559

FAULT CODE F0/F20 DISPLAYED AND MAYBE F24

CHARACTERISTIC TEST FROM CH DEMAND

Next: p672

FAULT CODE F1/F20 DISPLAYED AND MAYBE F24

CHARACTERISTIC TEST FROM CH DEMAND

Next: p675

FAULT CODE F2/F23 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: p678

FAULT CODE F10/F20 DISPLAYED AND MAYBE F24

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p567

FAULT CODE F11/F20 DISPLAYED AND MAYBE F24

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p569

FAULT CODE F12/F23 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p571

FAULT CODE F20 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p573

FAULT CODE F21 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: p681

FAULT CODE F21/F25/F48/F50 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p577

FAULT CODE F22/F23 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: p708

FAULT CODE F24 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: p715

FAULT CODE F25 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p743

FAULT CODE F30/F32/F33 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: p720

FAULT CODE F31/F34 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: p837

FAULT CODE F60 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: p767

CH NOISY OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: !p547

CH QUIET OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: !p74

ZERO VOLTS MESAURED

CHARACTERISTIC TEST FROM VOLTAGE AIR PRESSURE SENSOR (PRESSURE)

Next: p779

VOLTAGE GREATER THAN EXPECTED

CHARACTERISTIC TEST FROM VOLTAGE AIR PRESSURE SENSOR (PRESSURE)

Next: p781

ZERO VOLTS MESAURED

CHARACTERISTIC TEST FROM VOLTAGE AIR PRESSURE SENSOR (PRESSURE)

Next: p843

VOLTAGE GREATER THAN EXPECTED

CHARACTERISTIC TEST FROM VOLTAGE AIR PRESSURE SENSOR (PRESSURE)

Next: p845

FAULT CODE F80 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p855

FAULT CODE F80 DISPLAYED

CHARACTERISTIC TEST FROM CH DEMAND

Next: !p857

22/12/2017 09:54:11 1806_1_50_1 14/08/2018 13:04:53

31/07/2018 13:28:30

Next: End

FUSE F1

Next: p27, !f26

FUSE F5

Next: !p35, !f34

EXTERNAL CONTROLS: LIVE IN

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p536, !f537

CPU: FAN CONTROL

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p388, f389

FAN ELECTRICAL CONNECTIONS

Next: !p390, !f391

AIR PRESSURE SENSOR: ELECTRICAL CONNECTIONS

Next: p400, !f401

PUMP DRIVER VOLTAGE

{GAINPCBACS}
MAIN

Next: p43, f42

CPU: FAN CONTROL

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p411, f412

FAN ELECTRICAL CONNECTIONS

Next: !p413, !f414

CPU: PUMP CONTROL

MAIN ON/OFF CONTROL

Next: !p44, !f45

AIR PRESSURE SENSOR: ELECTRICAL CONNECTIONS

Next: p423, !f424

RELAY BOARD: IGNITION

{GAINPCBACS}
MAIN

Next: p457, f458

CPU: RELAY CONTROL

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p459, !f460

IGNITION EARTH LEAD

Next: p463, !f464

GAS VALVE: SOLENOIDS RESISTANCE

Next: p469, f470

GAS VALVE ELECTRICAL CONNECTIONS

Next: !p471, !f472

RELAY BOARD: IGNITION

{GAINPCBACS}
MAIN

Next: p484, f485

CPU: RELAY CONTROL

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p486, !f487

IGNITION EARTH LEAD

Next: p490, !f491

GAS VALVE: SOLENOIDS RESISTANCE

Next: p496, f497

GAS VALVE ELECTRICAL CONNECTIONS

Next: !p498, !f499

CPU: PUMP CONTROL

MAIN ON/OFF CONTROL

Next: !p540, !f541

GAS VALVE ELECTRICAL CONNECTIONS

Next: !p543, !f544

EXTERNAL CONTROLS: LIVE IN

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p618, !f619

CPU: FAN CONTROL

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p625, f626

FAN ELECTRICAL CONNECTIONS

Next: !p627, !f628

AIR PRESSURE SENSOR: ELECTRICAL CONNECTIONS

Next: p637, !f638

RELAY BOARD: IGNITION

{GAINPCBACS}
MAIN

Next: p648, f649

CPU: RELAY CONTROL

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p650, !f651

IGNITION EARTH LEAD

Next: p654, !f655

GAS VALVE: SOLENOIDS RESISTANCE

Next: p660, f661

GAS VALVE ELECTRICAL CONNECTIONS

Next: !p662, !f663

RELAY BOARD: IGNITION

{GAINPCBACS}
MAIN

Next: p684, f685

CPU: RELAY CONTROL

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p686, !f687

IGNITION EARTH LEAD

Next: p690, !f691

GAS VALVE: SOLENOIDS RESISTANCE

Next: p696, f697

GAS VALVE ELECTRICAL CONNECTIONS

Next: !p698, !f699

CPU: PUMP CONTROL

MAIN ON/OFF CONTROL

Next: !p711, !f712

CPU: FAN CONTROL

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p723, f724

FAN ELECTRICAL CONNECTIONS

Next: !p725, !f726

AIR PRESSURE SENSOR: ELECTRICAL CONNECTIONS

Next: p735, !f736

GAS VALVE ELECTRICAL CONNECTIONS

Next: !p770, !f771

MAINS TRANSFORMER: SECONDARY

{GAINPCBACS}
MAIN ON/OFF CONTROL IN THE ON POSITION
DISCONNECT CONNECTOR X10

Next: p25, f24

DISPLAY BOARD 5V

MAIN ON/OFF CONTROL IN THE ON POSITION

Next: p33, f32

FUSE F2

Next: p29, !f28

MAINS SUPPLY

GAIN ACCESS TO INSTALLER TERMINAL BLOCK
(USE INSULATION MAT AS NECESSARY)

Next: !p31, !f30

MULTIFUNCTION DISPLAY BOARD

Next: !p37, !f36

EXTERNAL CONTROLS: LIVE OUT

{GAINPCBACS}
MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p379, f380

INTERNAL PROGRAMMER

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p534, !f535

FAN SPEED

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p386, f387

AIR PRESSURE SENSOR

{GAINPCBACS}
MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p398, f399

MOTHERBOARD: FAN DRIVER

MAIN ON/OFF CONTROL

Next: p392, !f393

FAN ELECTRICAL CONNECTIONS

Next: p394, !f395

FAN SENSE VOLTAGE

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p396, !f397

AIR PRESSURE SENSOR: GAS VALVE CONNECTIONS

{GAINPCBACS}
REMOVE THE SENSOR BY PULLING DOWN AT THE FRONT AND PUSHING GENTLY BACK

Next: p402, !f403

CONDENSATE DRAIN

Next: p404, !f405

FLUE

Next: !p406, !f407

FAN SPEED

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p409, f410

AIR PRESSURE SENSOR

{GAINPCBACS}
MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p421, f422

MOTHERBOARD: FAN DRIVER

MAIN ON/OFF CONTROL

Next: p415, !f416

FAN ELECTRICAL CONNECTIONS

Next: p417, !f418

FAN SENSE VOLTAGE

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p419, !f420

AIR PRESSURE SENSOR: GAS VALVE CONNECTIONS

{GAINPCBACS}
REMOVE THE SENSOR BY PULLING DOWN AT THE FRONT AND PUSHING GENTLY BACK

Next: p425, !f426

CONDENSATE DRAIN

Next: p427, !f428

FLUE

Next: !p429, !f430

PUMP LEAD VOLTAGE

MAIN ON/OFF CONTROL

Next: !p47, !f46

SPARKING

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p455, f456

CH BURNER IGNITES

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p467, f468

IGNITION ELECTRODE CONDITION

Next: !p461, f462

IGNITION ELECTRODE LEAD

Next: !p465, !f466

CONDENSATE DRAIN SEAL

Next: p793, !f791

BURNER PLAQUES

Next: !p473, !f474

SPARKING

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p482, f483

CH BURNER IGNITES

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p799, f495

IGNITION ELECTRODE CONDITION

Next: !p488, f489

IGNITION ELECTRODE LEAD

Next: !p492, !f493

BURNER PLAQUES

Next: !p500, !f501

PUMP DRIVER VOLTAGE

{GAINPCBACS}
MAIN

Next: p509, f510

PUMP LEAD VOLTAGE

MAIN ON/OFF CONTROL

Next: !p538, !f539

NTC T0 CONNECTIONS

REMOVE X1 FROM CPU BOARD
REMOVE LEAD FROM NTC T0

Next: !p516, !f517

NTC T1 CONNECTIONS

REMOVE X1 FROM CPU BOARD
REMOVE LEAD FROM NTC T1

Next: !p519, !f520

NTC T2 CONNECTIONS

REMOVE X1 FROM CPU BOARD
REMOVE LEAD FROM NTC T2

Next: !p522, !f523

NTC T0 CONNECTIONS

REMOVE X1 FROM CPU BOARD
REMOVE LEAD FROM NTC T0

Next: p525, !f526

NTC T1 CONNECTIONS

REMOVE X1 FROM CPU BOARD
REMOVE LEAD FROM NTC T1

Next: !p527, !f528

GAS VALVE: SOLENOIDS RESISTANCE

Next: !p545, f531

EXTERNAL CONTROLS: LIVE OUT

{GAINPCBACS}
MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p616, f617

INTERNAL PROGRAMMER

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p620, !f621

FAN SPEED

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p623, f624

AIR PRESSURE SENSOR

{GAINPCBACS}
MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p635, f636

MOTHERBOARD: FAN DRIVER

MAIN ON/OFF CONTROL

Next: p629, !f630

FAN ELECTRICAL CONNECTIONS

Next: p631, !f632

FAN SENSE VOLTAGE

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p633, !f634

AIR PRESSURE SENSOR: GAS VALVE CONNECTIONS

{GAINPCBACS}
REMOVE THE SENSOR BY PULLING DOWN AT THE FRONT AND PUSHING GENTLY BACK

Next: p639, !f640

CONDENSATE DRAIN

Next: p641, !f642

FLUE

Next: !p643, !f644

SPARKING

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p646, f647

CH BURNER IGNITES

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p813, f659

IGNITION ELECTRODE CONDITION

Next: !p652, f653

IGNITION ELECTRODE LEAD

Next: !p656, !f657

BURNER PLAQUES

Next: !p664, !f665

NTC T0 CONNECTIONS

REMOVE X1 FROM CPU BOARD
REMOVE LEAD FROM NTC T0

Next: !p673, !f674

NTC T1 CONNECTIONS

REMOVE X1 FROM CPU BOARD
REMOVE LEAD FROM NTC T1

Next: !p676, !f677

NTC T2 CONNECTIONS

REMOVE X1 FROM CPU BOARD
REMOVE LEAD FROM NTC T2

Next: !p679, !f680

SPARKING

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p682, f683

CH BURNER IGNITES

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p806, f695

IGNITION ELECTRODE CONDITION

Next: !p688, f689

IGNITION ELECTRODE LEAD

Next: !p692, !f693

BURNER PLAQUES

Next: !p700, !f701

PUMP DRIVER VOLTAGE

{GAINPCBACS}
MAIN

Next: p709, f710

PUMP LEAD VOLTAGE

MAIN ON/OFF CONTROL

Next: !p713, !f714

NTC T0 CONNECTIONS

REMOVE X1 FROM CPU BOARD
REMOVE LEAD FROM NTC T0

Next: p716, !f717

NTC T1 CONNECTIONS

REMOVE X1 FROM CPU BOARD
REMOVE LEAD FROM NTC T1

Next: !p718, !f719

FAN SPEED

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: p721, f722

AIR PRESSURE SENSOR

{GAINPCBACS}
MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p733, f734

MOTHERBOARD: FAN DRIVER

MAIN ON/OFF CONTROL

Next: p727, !f728

FAN ELECTRICAL CONNECTIONS

Next: p729, !f730

FAN SENSE VOLTAGE

MAIN ON/OFF CONTROL IN THE ON POSITION
CH TEMPERATURE CONTROL TO MAXIMUM

Next: !p731, !f732

AIR PRESSURE SENSOR: GAS VALVE CONNECTIONS

{GAINPCBACS}
REMOVE THE SENSOR BY PULLING DOWN AT THE FRONT AND PUSHING GENTLY BACK

Next: p737, !f738

CONDENSATE DRAIN

Next: p739, !f740

FLUE

Next: !p741, !f742

GAS VALVE: SOLENOIDS RESISTANCE

Next: !p768, f769

VOLTAGE AIR PRESSURE SENSOR (PERMANENT)

{GAINPCBACS}
MAIN ON/OFF CONTROL IN THE ON POSITION

Next: p774, !f775

VOLTAGE AIR PRESSURE SENSOR (PRESSURE)

MAIN ON/OFF CONTROL IN THE ON POSITION
ENSURE NO DEMANDS

Next: !p776, ?778, ?780

AIR PRESSURE SENSOR: ELECTRICAL CONNECTIONS

Next: p786, !f787

CONDENSATE DRAIN

Next: p782, !f783

FLUE

Next: !p784, !f785

AIR PRESSURE SENSOR: GAS VALVE CONNECTIONS

{GAINPCBACS}
REMOVE THE SENSOR BY PULLING DOWN AT THE FRONT AND PUSHING GENTLY BACK

Next: !p788, !f789

FLAME SENSE ELECTRODE LEAD

Next: p796, !f795

INSPECTION FLAME SENSE ELECTRODE

Next: !p797, !f798

CONDENSATE DRAIN SEAL

Next: p800, !f801

FLAME SENSE ELECTRODE LEAD

Next: p802, !f803

INSPECTION FLAME SENSE ELECTRODE

Next: !p804, !f805

CONDENSATE DRAIN SEAL

Next: p807, !f808

FLAME SENSE ELECTRODE LEAD

Next: p809, !f810

INSPECTION FLAME SENSE ELECTRODE

Next: !p811, !f812

CONDENSATE DRAIN SEAL

Next: p814, !f815

FLAME SENSE ELECTRODE LEAD

Next: p816, !f817

INSPECTION FLAME SENSE ELECTRODE

Next: !p818, !f819

VOLTAGE AIR PRESSURE SENSOR (PERMANENT)

{GAINPCBACS}
MAIN ON/OFF CONTROL IN THE ON POSITION

Next: p838, !f839

VOLTAGE AIR PRESSURE SENSOR (PRESSURE)

MAIN ON/OFF CONTROL IN THE ON POSITION
ENSURE NO DEMANDS

Next: !p840, ?842, ?844

AIR PRESSURE SENSOR: ELECTRICAL CONNECTIONS

Next: p850, !f851

CONDENSATE DRAIN

Next: p846, !f847

FLUE

Next: !p848, !f849

AIR PRESSURE SENSOR: GAS VALVE CONNECTIONS

{GAINPCBACS}
REMOVE THE SENSOR BY PULLING DOWN AT THE FRONT AND PUSHING GENTLY BACK

Next: !p852, !f853

System Information

  • Total Tests: 407
  • Sequence Logic: Decoded from encrypted .seq file
  • Navigation: Dynamic based on pass/fail results
  • Source: 4731307 GW SWIFTFLOW 100 SIT Control