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:

GLOW WORM HOT WATER EXPRESS 80

G.C. NUMBER 47 313 0

Next: &20, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

HOT WATER

SELECTOR SWITCH SUMMER POSITION
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &nff, !f90

CENTRAL HEATING

SELECTOR SWITCH WINTER POSITION
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &3, ?93, ?103

DHW OVERRUN

SELECTOR SWITCH SUMMER POSITION
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &4, !f87

DHW BURNER PRESSURE

SELECTOR SWITCH SUMM

Next: &5, f84

DHW BURNER IGNITES

SELECTOR SWITCH SUMMER POSITION
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &6, f158

DHW HIGH FAN

SELECTOR SWITCH SUMMER POSITION
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &7, f80

CH BURNER PRESSURE

{ISOLATEMAINSPOWER}<

Next: &8, f75

CH BURNER IGNITES

SELECTOR SWITCH WINTER POSITION
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &9, f66

CH PUMP RUNS

SELECTOR SWITCH WINTER POSITION
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &10, f63

CH HIGH FAN

SELECTOR SWITCH WINTER POSITION
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &11, f49

SLOW FAN

SELECTOR SWITCH SUMMER POSITION
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &12, ?132, ?134

FLUE

Next: &13, !f38

FLAME FAILURE

{ISOLATEMAINSPOWER}

Next: &14, !f37

ESTABLISH PILOT

{ISOLATEMAINSPOWER}
GAS CONTROL KNOB FULLY DEPRESSED

Next: &15, f32

PILOT IGNITION

Next: &16, f28

SYSTEM CHECKS

Next: &166, !f96

GLOW WORM HOT WATER EXPRESS 80

G.C. NUMBER 47 313 0

Next: &19, !f95

ELECTRODE SPARKING

{ISOLATEMAINSPOWER}
GAS CONTROL KNOB FULLY DEPRESSED

Next: &17, f167

DHW HIGH FAN

INLET FILTER

Next: End

CH BURNER IGNITES (2)

MAIN GAS VALVE

Next: End

SLOW FAN

ON/OFF SWITCH

Next: End

SLOW FAN

FUSE FS1 (1.6 AMP)

Next: End

SLOW FAN

MAIN CONTROL BOARD

Next: End

SLOW FAN

DHW FLOW SWITCH

Next: End

CH BURNER IGNITES

CH THERMISTOR

Next: End

DHW BURNER IGNITES

DHW THERMISTOR

Next: End

ELECTRODE SPARKING

SPARK ELECTRODE

Next: End

ELECTRODE SPARKING

IGNITION LEAD

Next: End

CH BURNER IGNITES

SYSTEM PRESSURE

Next: End

CH BURNER IGNITES

WATER PRESSURE SWITCH

Next: End

DHW BURNER IGNITES

SYSTEM PRESSURE

Next: End

DHW BURNER IGNITES

WATER PRESSURE SWITCH

Next: End

PILOT IGNITION

PILOT INJECTOR

Next: End

ESTABLISH PILOT

THERMOCOUPLE

Next: End

FLAME FAILURE

MAIN GAS VALVE

Next: End

FLUE

Next: End

CH HIGH FAN

SELECTOR MICROSWITCH LEVER

Next: End

CH HIGH FAN

SELECTOR MICROSWITCH

Next: End

CH HIGH FAN

FUSE FS2 (0.63 AMP)

Next: End

CH HIGH FAN

TRANSFORMER

Next: End

CH PUMP RUNS

MAIN CONTROL BOARD

Next: End

CH BURNER MODULATION

CH THERMISTOR

Next: End

DHW BURNER PRESSURE

DHW THERMISTOR

Next: End

DHW OVERRUN

MAIN CONTROL BOARD

Next: End

HOT WATER

HEAT EXCHANGER

Next: End

ELECTRICAL SAFETY CHECKS

ELECTRICAL CHECK

Next: End

SYSTEM CHECKS

Next: End

CENTRAL HEATING

Next: End

DHW HIGH FAN

MAIN CONTROL BOARD

Next: End

DHW HIGH FAN

DHW FLOW SWITCH

Next: End

MAIN GAS VALVE (BURNER INJECTOR)

MAIN GAS VALVE

Next: End

SLOW FAN

Next: End

SLOW FAN

FAN ASSEMBLY

Next: End

SLOW FAN

MAIN CONTROL BOARD

Next: End

CH BURNER IGNITES

MAIN CONTROL BOARD

Next: End

ELECTRODE SPARKING

PIEZO IGNITOR

Next: End

CH BURNER IGNITES

DHW HIGH CUT OFF

Next: End

DHW BURNER IGNITES

MAIN CONTROL BOARD

Next: End

DHW BURNER IGNITES

DHW HIGH CUT OFF

Next: End

PILOT IGNITION

MAIN GAS VALVE

Next: End

ESTABLISH PILOT

MAIN GAS VALVE

Next: End

ESTABLISH PILOT

BOILER OVERHEAT THERMOSTAT

Next: End

CH HIGH FAN

INTERFACE PCB BOARD

Next: End

CH HIGH FAN

FAN ASSEMBLY

Next: End

CH HIGH FAN

MAIN CONTROL BOARD

Next: End

CH PUMP RUNS

WATER PUMP

Next: End

CH BURNER MODULATION

MODULATION COIL

Next: End

CH BURNER MODULATION

MAIN CONTROL BOARD

Next: End

DHW BURNER PRESSURE

MAIN CONTROL BOARD

Next: End

CENTRAL HEATING

HEAT EXCHANGER

Next: End

Quiet operation

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: !p104

Fan does not run

CHARACTERISTIC TEST FROM SLOW FAN

Next: p136

Fan does not slow down after 30 seconds

CHARACTERISTIC TEST FROM SLOW FAN

Next: p135

Noisy operation

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: !p94

24/01/2018 09:46:05 1801_1_50_1 31/01/2018 09:57:53

26/01/2018 11:56:06

Next: End

DHW INLET FILTER

{ISOLATEMAINSPOWER}
WATER OFF

Next: !p123, !f125

ON/OFF SWITCH RESISTANCE

{ISOLATEMAINSPOWER}
DISCONNECT THE WIRES FROM THE ON/OFF SWITCH
ON/OFF SWITCH IN ON POSITION

Next: !p139, !f140

CH THERMISTOR

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR CN4

Next: p148, !f149

DHW THERMISTOR

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR CN4

Next: p182, !f160

ELECTRODE

{ISOLATEMAINSPOWER}
REMOVE FRONT COMBUSTION COVER

Next: p168, !f169

SYSTEM PRESSURE

Next: p178, !f175

SYSTEM PRESSURE

Next: p185, !f186

PILOT INJECTOR

{ISOLATEMAINSPOWER}

Next: !p31, !f29

BOILER OVERHEAT VOLTAGE

{ISOLATEMAINSPOWER}<

Next: !p35, f33

THERMOCOUPLE

{ISOLATEMAINSPOWER}<

Next: !p36, !f34

CENTRAL HEATING DEMAND

{ISOLATEMAINSPOWER}<

Next: p51, f50

SELECTOR MICROSWITCH LEVER

{ISOLATEMAINSPOWER}

Next: p53, !f52

TRANSFORMER

SELECTOR SWITCH SUMMER POSITION
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: !p62, !f61

WATER PUMP VOLTAGE

SELECTOR SWITCH WINTER POSITION
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: !p65, !f64

CH SOLENOID COIL VOLTAGE

SELECTOR SWITCH WINTER POSITION
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: p68, f147

CH MODULATION COIL VOLTAGE

SELECTOR SWITCH WINTER POSITION
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: !p77, f76

CH THERMISTOR MODULATION

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR CN4

Next: !p79, !f78

DHW FLOW SWITCH

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR CN4

Next: !p121, f122

DHW THERMISTOR MODULATION

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR CN4

Next: !p86, !f85

DHW FLOW SWITCH

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR CN4

Next: !p145, !f146

240V MAINS POWER SUPPLY

{ISOLATEMAINSPOWER}
SELECTOR SWITCH SUMMER POSITION
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: p137, f138

FUSE FS1

{ISOLATEMAINSPOWER}

Next: p141, !f142

SLOW FAN VOLTAGE

SELECTOR SWITCH SUMMER POSITION.
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: !p143, !f144

DHW HIGH LIMIT CONTROL AND WATER PRESSURE SWITCH

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR CN1

Next: !p152, f174

ELECTRODE LEAD

{ISOLATEMAINSPOWER}

Next: !p170, !f171

WATER PRESSURE SWITCH (PRESSURISED)

{ISOLATEMAINSPOWER}
SYSTEM PRESSURISED
REMOVE WIRES (YELLOW) FROM WATER PRESSURE SWITCH

Next: !p181, !f180

DHW HIGH LIMIT CONTROL AND WATER PRESSURE SWITCH

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR CN1

Next: !p183, f184

WATER PRESSURE SWITCH (PRESSURISED)

{ISOLATEMAINSPOWER}
SYSTEM PRESSURISED
REMOVE WIRES (YELLOW) FROM WATER PRESSURE SWITCH

Next: !p187, !f188

FUSE FS2

{ISOLATEMAINSPOWER}

Next: p58, !f57

SELECTOR SWITCH

{ISOLATEMAINSPOWER}
SELECTOR SWITCH WINTER POSITION
UNPLUG CONNECTOR CN4

Next: !p56, !f55

HIGH FAN VOLTAGE

SELECTOR SWITCH WINTER POSITION
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: !p60, f59

SOLENOID COIL RESISTANCE

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR CN1

Next: !p131, !f130

System Information

Total Tests: 109
Sequence Logic: Decoded from encrypted .seq file
Navigation: Dynamic based on pass/fail results
Source: 4731307 GW SWIFTFLOW 100 SIT Control