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 SWIFTFLOW 120

WARNING - IMPORTA

Next: &22, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

HOT WATER OPERATION

CH SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &nff, !f137

CENTRAL HEATING OPERATION

CH SELECTOR SWITCH ON
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &1, ?131, ?133, ?135

CH MODULATION

CH SELECTOR SWITCH ON
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &2, f126

CH BURNER IGNITES

CH SELECTOR SWITCH ON
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &3, !f125

CH PUMP RUNS

CH SELECTOR SWITCH ON
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &4, !f124

CH HIGH FAN

CH SELECTOR SWITCH ON
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &5, f121

DHW OVERRUN

CH SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &6, !f120

DHW HIGH BURNER

{ISOLATEMAINSPOWER}<

Next: &7, f100

DHW BURNER IGNITES

CH SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &8, f91

DHW RUNNING LED

CH SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &9, f82

DHW HIGH FAN

CH SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &10, f79

DHW FLOW RATE

Next: &11, f74

CH PUMP RUNS

CH SELECTOR SWITCH ON
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &12, f71

FAN RUNS

CH SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &13, ?51, ?53, ?55

LOW SYSTEM PRESSURE LED

Next: &14, f46

MAINS POWER LED

Next: &15, f37

FLAME FAILURE

{ISOLATEMAINSPOWER}
CH SELECTOR SWITCH OFF
GAS OFF

Next: &16, !f36

ESTABLISH PILOT

{ISOLATEMAINSPOWER}<

Next: &17, f31

IGNITE PILOT

{ISOLATEMAINSPOWER}<

Next: &18, f28

SYSTEM CHECKS

PLEASE ENSURE THE FOLLOWING SYSTEM CHECKS ARE COMPLETED.

Next: &140, !f24

GLOW WORM SWIFT FLOW 120

{ISOLATEMAINSPOWER}<

Next: &21, !f23

SPARKING

{ISOLATEMAINSPOWER}
GAS CONTROL KNOB IN PILOT IGNITION POSITION

Next: &19, f141

DHW HIGH BURNER

HW THERMISTOR

Next: End

DHW HIGH BURNER

VENTURI

Next: End

DHW HIGH BURNER

CONTROL PCB

Next: End

DHW HIGH BURNER

AIR PRESSURE SWITCH TUBES

Next: End

DHW HIGH BURNER

GAS VALVE ADJUSTMENT

Next: End

AIR PRESSURE SWITCH TUBES

GAS/AIR RATIO UNIT PIPES

Next: End

DHW OVERRUN

CONTROL PCB

Next: End

CH HIGH FAN

SELECTOR SWITCH.

Next: End

CH PUMP RUNS.

CONTROL PCB

Next: End

CH BURNER IGNITES

CONTROL PCB

Next: End

CH MODULATION

CH THERMISTOR

Next: End

CH MODULATION

USER PCB

Next: End

HOT WATER OPERATION

HEAT EXCHANGER

Next: End

DHW BURNER IGNITES

WATER PRESSURE SWITCH

Next: End

SPARKING

ELECTRODE

Next: End

FAN RUNS

HW FLOW SWITCH

Next: End

DHW BURNER IGNITES

GAS/AIR RATIO UNIT PIPES

Next: End

DHW RUNNING LED

FLUE

Next: End

DHW RUNNING LED

AIR PRESSURE SWITCH TUBES

Next: End

DHW RUNNING LED

AIR PRESSURE SWITCH

Next: End

WORN

FAN

Next: End

DHW RUNNING LED

GAS/AIR RATIO UNIT PIPES

Next: End

CH HIGH FAN

CONTROL PCB

Next: End

OUT OF RANGE

HW THERMISTOR

Next: End

ELECTRICAL CHECKS

ELECTRICAL CHECK

Next: End

SYSTEM CHECKS

SYSTEM CHECK

Next: End

IGNITE PILOT

PILOT INJECTOR

Next: End

ESTABLISH PILOT

THERMOCOUPLE

Next: End

FLAME FAILURE

GAS VALVE

Next: End

MAINS POWER LED

FUSE FS1

Next: End

MAINS POWER LED

POWER SUPPLY

Next: End

MAINS POWER LED

FUSE FS3

Next: End

LOW SYSTEM PRESSURE LED

WATER PRESSURE SWITCH

Next: End

LOW SYSTEM PRESSURE LED

SYSTEM PRESSURE

Next: End

FAN RUNS

CH THERMISTOR

Next: End

FAN RUNS

HW THERMISTOR

Next: End

FAN RUNS

AIR PRESSURE SWITCH

Next: End

FAN COIL RESISTANCE

FAN

Next: End

FAN COIL RESISTANCE

CONTROL PCB

Next: End

MAIN CONTROL PCB FAN DC CONTROL VOLTAGE

FAN

Next: End

CH PUMP RUNS

CONTROL PCB

Next: End

DHW FLOW RATE

HW ADJUSTER

Next: End

DHW FLOW RATE

FILTER

Next: End

DHW HIGH FAN

HW FLOW SWITCH

Next: End

DHW BURNER IGNITES

HW HIGH LIMIT CONTROL

Next: End

DHW HIGH BURNER

GAS AIR UNIT

Next: End

GAS/AIR RATIO UNIT VENTURI

GAS/AIR RATIO UNIT PIPES

Next: End

CH MODULATION

CONTROL PCB

Next: End

CENTRAL HEATING OPERATION

EXPANSION VESSEL

Next: End

CENTRAL HEATING OPERATION

HEAT EXCHANGER

Next: End

CENTRAL HEATING OPERATION

Next: End

SPARKING

PIEZO IGNITER

Next: End

HIGH FAN ONLY

CONTROL PCB

Next: End

DHW BURNER IGNITES

GAS VALVE

Next: End

DHW RUNNING LED

USER PCB

Next: End

FAULTY

Next: End

DHW HIGH FAN

CONTROL PCB

Next: End

IGNITE PILOT

GAS VALVE

Next: End

ESTABLISH PILOT

GAS VALVE

Next: End

ESTABLISH PILOT

OVERHEAT STAT

Next: End

MAINS POWER LED

TRANSFORMER.

Next: End

MAINS POWER LED

USER PCB

Next: End

LOW SYSTEM PRESSURE LED

USER PCB

Next: End

LOW FAN ONLY

CONTROL PCB

Next: End

AIR PRESSURE SWITCH NO AIR RESISTANCE

CONTROL PCB

Next: End

FAN RUNS

FAN PCB

Next: End

CH PUMP RUNS

PUMP

Next: End

DHW FLOW RATE

HEAT EXCHANGER

Next: End

DHW BURNER IGNITES

CONTROL PCB

Next: End

DHW BURNER IGNITES

BURNER

Next: End

HIGH PRESSURE

CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION

Next: !p132

NOISY OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION

Next: !p134

QUIET OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION

Next: !p136

HIGH FAN ONLY

CHARACTERISTIC TEST FROM FAN RUNS

Next: p52

LOW FAN ONLY

CHARACTERISTIC TEST FROM FAN RUNS

Next: !p54

NO FAN

CHARACTERISTIC TEST FROM FAN RUNS

Next: p56

18/01/2018 11:12:54 1801_1_50_1 31/01/2018 09:58:48

26/01/2018 09:21:17

Next: End

VENTURI AIR PRESSURE CHECK (HW DEMAND)

{ISOLATEMAINSPOWER}<

Next: p102, f101

DHW THERMISTOR RESISTANCE

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR CN4 FROM THE MAIN CONTROL PCB.

Next: p104, !f103

CENTRAL HEATING SELECTOR SWITCH RESISTANCE

{ISOLATEMAINSPOWER}
SELECTOR SWITCH OFF

Next: p169, !f122

CH THERMISTOR RESISTANCE

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR CN4 FROM THE MAIN CONTROL PCB

Next: p128, !f127

ELECTRODE

{ISOLATEMAINSPOWER}

Next: !p142, !f143

GAS/AIR RATIO UNIT PIPES

{ISOLATEMAINSPOWER}

Next: !p152, !f153

PILOT INJECTOR

{ISOLATEMAINSPOWER}

Next: !p30, !f29

BOILER OVERHEAT VOLTAGE

{ISOLATEMAINSPOWER}
GAS CONTROL KNOB IN PILOT IGNITION POSITION

Next: !p33, f32

THERMOCOUPLE VOLTAGE

{ISOLATEMAINSPOWER}
GAS CONTROL KNOB IN PILOT IGNITION POSITION

Next: !p35, !f34

TRANSFORMER VOLTAGE

{ISOLATEMAINSPOWER}
GAIN ACCESS TO PCB (USE INSULATION MAT AS NECESSARY)

Next: p39, f38

FUSE FS1

{ISOLATEMAINSPOWER}

Next: p41, !f40

WATER PRESSURE SWITCH (LOW PRESSURE OPERATION)

{ISOLATEMAINSPOWER}
ENSURE THAT THE WATER SYSTEM IS PRESSURISED.

Next: p48, !f47

AIR PRESSURE SWITCH NO AIR RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR CN6 FROM THE MAIN CONTROL PCB.

Next: !p64, !f63

START UP PUMP VOLTAGE

{ISOLATEMAINSPOWER}
GAIN ACCESS TO PCB (USE INSULATION MAT AS NECESSARY)

Next: !p73, !f72

DHW FLOW ADJUSTER

{ISOLATEMAINSPOWER}

Next: p76, !f75

DHW FLOW SWITCH RESISTANCE

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR CN4 FROM THE MAIN CONTROL PCB

Next: p173, !f80

AIR PRESSURE SWITCH AIR DETECT (HW DEMAND)

{ISOLATEMAINSPOWER}
REMOVE TUBES FROM APS.
ATTACH MULTIMETER TO APS USING CROCODILE CLIPS.

Next: p155, !f164

GAS VALVE SOLENOID COIL VOLTAGE (HW DEMAND)

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

Next: p93, f92

DHW HIGH LIMIT CONTROL RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR CN1 FROM THE MAIN CONTROL PCB

Next: p95, !f94

AIR PRESSURE SWITCH TUBES

{ISOLATEMAINSPOWER}

Next: p114, !f113

GAS/AIR RATIO UNIT VENTURI

{ISOLATEMAINSPOWER}

Next: p106, !f105

MAIN CONTROL BOARD HW PRE-SET POTENTIOMETER

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

Next: !p119, !f107

GAS VALVE MODULATION PRE-SET CHECK.

{ISOLATEMAINSPOWER}<

Next: p116, !f115

GAS/AIR RATIO UNIT PIPES

{ISOLATEMAINSPOWER}

Next: !p118, !f117

CH POTENTIOMETER RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE THE CONTROL KNOB FROM THE CH POTENTIOMETER ON THE USER PCB.

Next: !p130, !f129

DHW FLOW SWITCH RESISTANCE (OPEN CIRCUIT)

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR CN4 FROM THE MAIN CONTROL PCB

Next: !p148, !f149

FLUE

Next: p156, !f157

AIR PRESSURE SWITCH TUBES

{ISOLATEMAINSPOWER}

Next: p158, !f159

GAS/AIR RATIO UNIT PIPES

{ISOLATEMAINSPOWER}

Next: p165, !f168

INSPECTION FAN

{ISOLATEMAINSPOWER}
REMOVE FAN ASSEMBLY

Next: !p166, !f167

LINK OUT EXTERNAL CONTROLS

{ISOLATEMAINSPOWER}<

Next: !p170, !f171

DHW THERMISTOR RESISTANCE

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR CN4 FROM THE MAIN CONTROL PCB.

Next: !p178, !f179

FUSE FS3

{ISOLATEMAINSPOWER}

Next: !p45, !f44

MAINS POWER SUPPLY

Next: !p43, !f42

SYSTEM PRESSURE

{ISOLATEMAINSPOWER}

Next: !p50, !f49

CH THERMISTOR RESISTANCE

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR CN4 FROM THE MAIN CONTROL PCB

Next: p58, !f57

MAIN CONTROL PCB FAN AC SUPPLY VOLTAGE

{ISOLATEMAINSPOWER}
GAIN ACCESS TO PCB (USE INSULATION MAT AS NECESSARY)

Next: p62, f61

DHW THERMISTOR RESISTANCE

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR CN4 FROM THE MAIN CONTROL PCB.

Next: p145, !f59

FAN COIL RESISTANCE

{ISOLATEMAINSPOWER}

Next: p66, !f65

MAIN CONTROL PCB FAN DC CONTROL VOLTAGE

Next: p68, !f67

FAN LAMINATION CHECK

{ISOLATEMAINSPOWER}

Next: !p70, !f69

DHW INLET FILTER

{ISOLATEMAINSPOWER}
WATER OFF

Next: !p78, !f77

HW BURNER GAS PRESSURE

{ISOLATEMAINSPOWER}<

Next: !p99, f151

WATER PRESSURE SWITCH (PRESSURISED OPERATION)

{ISOLATEMAINSPOWER}
ENSURE THAT THE WATER SYSTEM IS PRESSURISED

Next: !p97, !f138

System Information

Total Tests: 145

Sequence Logic: Decoded from encrypted .seq file

Navigation: Dynamic based on pass/fail results

Source: 4731307 GW SWIFTFLOW 100 SIT Control