XSol Diagnostic System

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:

ELM LE-BLANC GVM C23

WARNING - IMPORTA

Next: &21, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

EXCESSIVE SYSTEM PRESSURE

ROTARY SWITCH TO CH/DHW POSITION
CH THERMOSTAT TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: &nff, !f124

CENTRAL HEATING

ROTARY SWITCH TO CH/DHW POSITION
CH THERMOSTAT TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: &1, ?118, ?120, ?122

HOT WATER

ROTARY SWITCH TO DHW POSITION
DHW TEMPERATURE CONTROL TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: &2, !f126

CH MODULATION

ROTARY SWITCH TO CH/DHW POSITION
CH THERMOSTAT TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: &3, !f116

CH BURNER HIGH FLAME

ROTARY SWITCH TO CH/DHW POSITION
CH THERMOSTAT TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: &4, !f115

CH HIGH FAN

ROTARY SWITCH TO CH/DHW POSITION
CH THERMOSTAT TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: &5, !f114

CH FLOW VALVE OPERATION

ROTARY SWITCH TO CH/DHW POSITION
CH THERMOSTAT TO MAXIMUM
HOLD IN BOILER CASING SWITCH

Next: &6, f103

DHW MODULATION

ROTARY SWITCH TO DHW POSITION
DHW TEMPERATURE CONTROL TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: &7, f100

DHW BURNER HIGH FLAME

ROTARY SWITCH TO DHW POSITION
DHW TEMPERATURE CONTROL TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: &8, !f97

DHW BURNER LOW FLAME

ROTARY SWITCH TO DHW POSITION
DHW TEMPERATURE CONTROL TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: &9, f78

DHW HIGH FAN

ROTARY SWITCH TO DHW POSITION
DHW TEMPERATURE CONTROL TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: &10, !f77

DHW DEMAND

{ISOLATEMAINSPOWER}

Next: &11, f70

PILOT OUT GAS CHECK

ROTARY SWITCH TO DHW POSITION
HOLD IN BOILER CASE SWITCH

Next: &12, !f69

PILOT OUT

ROTARY SWITCH TO DHW POSITION
HOLD IN BOILER CASE SWITCH

Next: &13, !f68

PILOT ESTABLISHED

ROTARY SWITCH TO DHW POSITION
HOLD IN BOILER CASE SWITCH

Next: &14, f59

PILOT IGNITES

ROTARY SWITCH TO DHW POSITION
HOLD IN BOILER CASE SWITCH

Next: &15, f54

PILOT SPARKING

ROTARY SWITCH TO DHW POSITION
HOLD IN BOILER CASE SWITCH

Next: &16, f39

PILOT HIGH FAN

ROTARY SWITCH TO DHW POSITION
HOLD IN BOILER CASE SWITCH

Next: &17, f36

PILOT SLOW FAN

ROTARY SWITCH TO DHW POSITION
HOLD IN BOILER CASE SWITCH

Next: &18, f24

SYSTEM CHECKS

{ISOLATEMAINSPOWER}

Next: &19, !f23

ELM LE-BLANC GVM C23

G.C. NUMBER 47 241 0

Next: &20, !f22

DHW MODULATION

MODULATING BOX

Next: End

CH FLOW VALVE OPERATION

ROTARY SWITCH

Next: End

CH FLOW VALVE OPERATION

CLOCK/LINK

Next: End

CH FLOW VALVE OPERATION

WATER VALVE SWITCHES

Next: End

CH HIGH FAN

OPERATIVE CH THERMOSTAT

Next: End

CH BURNER HIGH FLAME

DIFFERENTIAL FLOW VALVE MICROSWITCH

Next: End

CH MODULATION

OPERATIVE CH THERMOSTAT

Next: End

EXCESSIVE SYSTEM PRESSURE

EXPANSION VESSEL

Next: End

HOT WATER

SCALED PRIMARY HEAT EXCHANGER

Next: End

PILOT SLOW FAN

BOILER CASE SWITCH

Next: End

DHW DEMAND

SCALED PRIMARY HEAT EXCHANGER

Next: End

ELECTRICAL CHECKS

ELECTRICAL CHECKS

Next: End

SYSTEM CHECKS

SYSTEM CHECKS

Next: End

PILOT SLOW FAN

240V MAINS SUPPLY

Next: End

PILOT SLOW FAN

FUSE 3A

Next: End

PILOT SLOW FAN

PRINTED CIRCUIT BOARD

Next: End

PILOT HIGH FAN

IGNITION SWITCH

Next: End

PILOT SPARKING

CONDENSATE TRAP

Next: End

PILOT SPARKING

FLUE

Next: End

PILOT SPARKING

AIR PRESSURE MICROSWITCH

Next: End

PILOT SPARKING

TRANSFORMER

Next: End

PILOT IGNITES

GAS CONTROL VALVE KNOB

Next: End

PILOT IGNITES

PILOT INJECTOR

Next: End

PILOT ESTABISHED

THERMOCOUPLE

Next: End

PILOT ESTABLISHED

PILOT OFF PUSH BUTTON

Next: End

PILOT OUT

PILOT OFF PUSH BUTTON

Next: End

PILOT OUT GAS CHECK

GAS VALVE ASSEMBLY

Next: End

DHW DEMAND

WATER VALVE DIAPHRAGM

Next: End

DHW DEMAND

WATER VALVE PISTON

Next: End

DHW HIGH FAN

WATER VALVE SWITCHES

Next: End

DHW BURNER LOW FLAME

FUSE 0.25A

Next: End

DHW BURNER LOW FLAME

IGNITION SWITCH

Next: End

DHW BURNER LOW FLAME

TRANSFORMER

Next: End

DHW BURNER LOW FLAME

CH LIMIT THERMOSTAT

Next: End

DHW BURNER LOW FLAME

SOLENOIDS

Next: End

DHW BURNER HIGH FLAME

SOLENOIDS

Next: End

DHW MODULATION

GAS VALVE ASSEMBLY

Next: End

CH FLOW VALVE OPERATION

ROOM THERMOSTAT/LINK

Next: End

CH FLOW VALVE OPERATION

DIFFERENTIAL FLOW VALVE

Next: End

CH FLOW VALVE OPERATION

PUMP

Next: End

CENTRAL HEATING

NON-RETURN VALVE

Next: End

CENTRAL HEATING

Next: End

CENTRAL HEATING

SCALED PRIMARY HEAT EXCHANGER

Next: End

PILOT SLOW FAN

ROTARY SWITCH

Next: End

PILOT SLOW FAN

FAN

Next: End

PILOT HIGH FAN

FAN

Next: End

PILOT SPARKING

IGNITION SWITCH

Next: End

PILOT SPARKING

AIR PRESSURE SWITCH PADDLE AND LINKAGE

Next: End

PILOT SPARKING

SPARK ELECTRODE AND LEAD

Next: End

PILOT SPARKING

SPARK GENERATOR

Next: End

PILOT IGNITES

GAS VALVE ASSEMBLY

Next: End

PILOT ESTABISHED

OVERHEAT THERMOSTAT

Next: End

PILOT ESTABISHED

GAS VALVE ASSEMBLY

Next: End

PILOT ESTABISHED

CH FLOW LIMIT THERMOSTAT

Next: End

DHW DEMAND

WATER VALVE SPINDLE

Next: End

DHW BURNER LOW FLAME

WATER VALVE SWITCHES

Next: End

DHW BURNER LOW FLAME

PRINTED CIRCUIT BOARD

Next: End

DHW BURNER LOW FLAME

DHW LIMIT THERMOSTAT

Next: End

DHW BURNER LOW FLAME

BURNER INJECTORS

Next: End

DHW BURNER LOW FLAME

GAS VALVE ASSEMBLY

Next: End

BOILER CYCLES A LOT OR OVERHEATS, COLD RADIATORS

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: !p119

CH NOISY OPERATION, WARM OR COLD RADIATORS

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: !p128

CH QUIET OPERATION, WARM OR COLD RADIATORS

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: !p123

21/08/2014 10:13:39 1408_1_50_1 27/08/2014 14:55:09

27/08/2014 09:41:27

Next: End

MODULATING BOX OPERATION

{ISOLATEMAINSPOWER}

Next: !p102, !f101

ROOM THERMOSTAT VOLTAGE

ROTARY SWITCH TO CH/DHW POSITION
CH THERMOSTAT TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: p105, f104

ROTARY SWITCH CH VOLTAGE

ROTARY SWITCH TO CH/DHW POSITION
CH THERMOSTAT TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: p107, !f106

PUMP VOLTAGE

ROTARY SWITCH TO DHW

Next: !p113, !f112

ROTARY SWITCH CH VOLTAGE

ROTARY SWITCH TO CH/DHW POSITION
CH THERMOSTAT TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: p26, f25

MAINS VOLTAGE

ROTARY SWITCH IN OFF POSITION

Next: p28, !f27

IGNITION SWITCH A

{ISOLATEMAINSPOWER}
REMOVE FRONT PANEL OF ELECTRICAL CONTROL BOX

Next: !p38, !f37

SPARK APS VOLTAGE

ROTARY SWITCH TO DHW POSITION
DHW TEMPERATURE CONTROL TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: p41, f40

AIR PRESSURE SWITCH OPERATION

ROTARY SWITCH TO DHW POSITION
DHW TEMPERATURE CONTROL TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: !p43, f42

CONDENSATE TRAP

{ISOLATEMAINSPOWER}

Next: p45, !f44

TRANSFORMER PRIMARY

{ISOLATEMAINSPOWER}
REMOVE FRONT PANEL OF ELECTRICAL CONTROL BOX

Next: !p53, !f52

GAS CONTROL VALVE KNOB

{ISOLATEMAINSPOWER}

Next: p56, !f55

OVERHEAT THERMOSTAT VOLTAGE

ROTARY SWITCH TO DHW POSITION
HOLD IN BOILER CASE SWITCH

Next: p61, f60

THERMOCOUPLE VOLTAGE

{ISOLATEMAINSPOWER}
ROTARY SWITCH TO DHW POSITION
HOLD IN BOILER CASE SWITCH

Next: !p63, !f62

PILOT OFF BUTTON VOLTAGE

ROTARY SWITCH TO DHW POSITION
HOLD IN BOILER CASING SWITCH

Next: !p67, !f66

DHW MINIMUM FLOW RATE

{ISOLATEMAINSPOWER}

Next: p72, !f129

WATER VALVE MICROSWITCH 2 NO VOLTAGE

ROTARY SWITCH TO DHW POSITION
DHW TEMPERATURE CONTROL TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: p80, f79

0.25A FUSE

{ISOLATEMAINSPOWER}

Next: p82, !f81

IGNITION SWITCH B: NC

{ISOLATEMAINSPOWER}
REMOVE FRONT PANEL OF ELECTRICAL CONTROL BOX

Next: p86, !f85

CH LIMIT THERMOSTAT

{ISOLATEMAINSPOWER}

Next: !p92, !f91

SOLENOID 1 RESISTANCE

{ISOLATEMAINSPOWER}

Next: !p96, !f95

PUMP RUNNING

ROTARY SWITCH TO CH/DHW POSITION
CH THERMOSTAT TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: !p111, f110

TIMER / LINK VOLTAGE

ROTARY SWITCH TO CH/DHW POSITION
CH THERMOSTAT TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: !p109, !f108

SLOW FAN VOLTAGE

ROTARY SWITCH TO DHW POSITION
DHW TEMPERATURE CONTROL TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: !p34, !f35

3A FUSE

{ISOLATEMAINSPOWER}

Next: p30, !f29

BOILER CASING SWITCH

{ISOLATEMAINSPOWER}
REMOVE FRONT PANEL OF ELECTRICAL CONTROL BOX

Next: !p32, !f127

AIR DETECT VOLTAGE

ROTARY SWITCH TO DHW POSITION
DHW TEMPERATURE CONTROL TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: p49, !f48

FLUE

Next: !p47, !f46

SPARK LEAD

{ISOLATEMAINSPOWER}
REMOVE SPARK ELECTRODE LEAD FROM ELECTRICAL CONTROL BOX CONNECTOR

Next: !p51, f50

PILOT INJECTOR

{ISOLATEMAINSPOWER}

Next: !p58, !f57

CH FLOW LIMIT THERMOSTAT VOLTAGE

ROTARY SWITCH TO DHW POSITION
HOLD IN BOILER CASE SWITCH

Next: !p65, f64

WATER VALVE DIAPHRAGM

{ISOLATEMAINSPOWER}

Next: p74, !f73

WATER VALVE PISTON

{ISOLATEMAINSPOWER}

Next: !p76, !f75

SOLENOID VOLTAGE

ROTARY SWITCH TO DHW POSITION
DHW TEMPERATURE CONTROL TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: p90, f89

DC POWER SUPPLY

ROTARY SWITCH TO DHW POSITION
DHW TEMPERATURE CONTROL TO MAXIMUM
HOLD IN BOILER CASE SWITCH

Next: !p84, f83

TRANSFORMER SECONDARY

{ISOLATEMAINSPOWER}
REMOVE FRONT PANEL OF ELECTRICAL CONTROL BOX

Next: !p88, !f87

DHW BURNER PRESSURE

ROTARY SWITCH TO DHW

Next: !p94, f93

System Information

Total Tests: 124

Sequence Logic: Decoded from encrypted .seq file

Navigation: Dynamic based on pass/fail results

Source: 4731307 GW SWIFTFLOW 100 SIT Control