Welcome to the XSol Diagnostic System
This system provides interactive diagnostic tests with proper sequence navigation based on the decoded .seq file logic.
POTTERTON PROFILE PRIMA AND VARIANTS
GLOBALLY REPLACED
BOILER TEMPERATURE REACHED
BOILER THERMOSTAT IN
CENTRAL HEATING OPERATION
ENSURE THAT THE BOILER THERMOSTAT IS SET TO MAX
HIGH BURNER FLAME
ENSURE THAT THE BOIL
BURNER IGNITES
ENSURE THAT THE BOILER THERMOSTAT IS SET TO MAX
PILOT IGNITES
ENSURE THAT THE BOILER THERMOSTAT IS SET TO MAX
ELECTRODE SPARKING
ENSURE THAT THE BOILER THERMOSTAT IS SET TO MAX
FAN RUNS
ENSURE THAT THE BOILER THERMOSTAT IS SET TO MAX
PUMP RUNS
BOILER THERMOSTAT SET TO ITS '0' POSITION
CASE OFF
CASE REMOVAL<
FUSE INVESTIGATION TREE
NOT USED - HEADER FOR FUSE INVESTIGATION (PCB FUSE)
MAINS POWER SUPPLY
{GAINPCBACS}
FUSE INVESTIGATION TREE (MAINS)
NOT USED - HEADER FOR FUSE INVESTIGATION (MAINS)
FAN CYCLING
PCB - ELECTRONIC CONTROL
ELECTRODE SPARKING
PRESSURE SWITCH (AIR)
ELECTRODE SPARKING
PCB - ELECTRONIC CONTROL
ELECTRICAL SAFETY CHECK
ELECTRICAL CHECK
IS SYSTEM FULLY PUMPED?
THERMOSTAT - OVERHEAT
CH OPERATION NOISY
PUMP
CENTRAL HEATING OPERATION - LPG
INJECTOR - BURNER
PUMP OVERRUN
THERMOSTAT - RANCO (PUMP OVERRUN)
ELECTRODE SPARKING
RESTRICTOR - AIR PRESSURE SWITCH
ELECTRODE SPARKING
AIR PRESSURE SENSING TUBES
ELECTRODE SPARKING
AIR PRESSURE SENSING PIPES
ELECTRODE SPARKING
FLUE ASSEMBLY
OVERHEAT INVESTIGATION
GAS VALVE
HEAT EXCHANGER NOISY
SYSTEM PRESSURE / AIR IN SYSTEM
RADS DO NOT HEAT
SYSTEM PRESSURE / AIR IN SYSTEM
IS SYSTEM FULLY PUMPED?
RESTRICTOR - AIR PRESSURE SWITCH
IS SYSTEM FULLY PUMPED?
AIR PRESSURE SENSING TUBES
IS SYSTEM FULLY PUMPED?
AIR PRESSURE SENSING PIPES
PILOT IGNITES
OPERATOR COILS (SIT SOLENOID)
PILOT IGNITES (SIT)
HARNESS - PCB TO GAS VALVE
PILOT IGNITES (SIT) - VOLTAGE PRESENT
HARNESS - PCB TO GAS VALVE
PILOT IGNITES (SIT)
PILOT INJECTOR
PILOT IGNITES
SOLENOID COIL (PILOT)
PILOT IGNITES (WHITE ROGERS)
HARNESS - PCB TO GAS VALVE
PILOT IGNITES (HONEYWELL)
PILOT INJECTOR
PILOT IGNITES
HARNESS - PCB TO GAS VALVE
PILOT IGNITES (WHITE ROGERS)
PILOT INJECTOR
PILOT
GAS INLET PRESSURE
BURNER IGNITES (SIT)
LEAD - ELECTRODE
BURNER IGNITES (SIT)
ELECTRODE - SPARK
BURNER IGNITES (SIT)
HARNESS - PCB TO GAS VALVE
BURNER IGNITES (SIT) - VOLTAGE PRESENT
HARNESS - PCB TO GAS VALVE
BURNER IGNITES
OPERATOR COILS (SIT SOLENOID)
BURNER IGNITES
LEAD - ELECTRODE
BURNER IGNITES
ELECTRODE - SPARK
BURNER IGNITES
HARNESS - PCB TO GAS VALVE
BURNER IGNITES
SOLENOID COIL (MAIN)
BURNER IGNITES (WHITE ROGERS)
LEAD - ELECTRODE
BURNER IGNITES (WHITE ROGERS)
ELECTRODE - SPARK
BURNER IGNITES (WHITE ROGERS)
HARNESS - PCB TO GAS VALVE
BURNER IGNITES
GAS ARRANGEMENT - WHITE ROGERS
MAIN BURNER
GAS INLET PRESSURE
HIGH FLAME
GAS INLET PRESSURE
FAN DOES NOT RUN
APS VENTURI
IS SYSTEM FULLY PUMPED?
BOILER CONTROL THERMOSTAT
ELECTRODE SPARKING
APS VENTURI
INFORMATION INCORRECTLY WIRED BOILER
Z REDIRECT
FUSE INVESTIGATION MAINS
FAN ASSEMBLY
FUSE INVESTIGATION MAINS
OPERATOR COILS (SIT SOLENOID)
FUSE INVESTIGATIONPILOT SOLENOID MAINS
GAS ARRANGEMENT - WHITE ROGERS
FUSE INVESTIGATION
FAN ASSEMBLY
FUSE INVESTIGATION
OPERATOR COILS (SIT SOLENOID)
FUSE INVESTIGATIONPILOT SOLENOID
GAS ARRANGEMENT - WHITE ROGERS
PILOT VALVE NOT CLOSING
GAS VALVE
BOILER TEMPERATURE REACHED
BOILER CONTROL THERMOSTAT
OUT OF CALIBRATION
THERMOSTAT - OVERHEAT
ELECTRODE SPARKING
ELECTRODE - SPARK
ELECTRODE SPARKING
LEAD - ELECTRODE
CH COOL
INJECTOR - BURNER
IS SYSTEM FULLY PUMPED?
THERMOSTAT - RANCO (PUMP OVERRUN)
ELECTRODE SPARKING
FAN ASSEMBLY
FUSE
Z REDIRECT
FAN RUNS - WILL NOT RESET
THERMOSTAT - OVERHEAT
OVERHEAT INVESTIGATION
BOILER CONTROL THERMOSTAT
OVERHEAT INVESTIGATION
THERMOSTAT - OVERHEAT
OVERHEAT INVESTIGATIONPUMP OVERRUN
THERMOSTAT - RANCO (PUMP OVERRUN)
NO FAULT OVERHEAT INVESTIGATION
NO FAULT - OVERHEAT INVESTIGATION
PUMP RUNS
PUMP - NOT RUNNING
CENTRAL HEATING OPERATION
EXPANSION VESSEL
CENTRAL HEATING OPERATION
HEAT EXCHANGER
PILOT IGNITES (SIT)
PCB - ELECTRONIC CONTROL
PILOT IGNITES
GAS VALVE (SIT)
PILOT IGNITES
PCB - ELECTRONIC CONTROL
PILOT IGNITES
GAS VALVE (HONEYWELL)
PILOT IGNITES (WHITE ROGERS)
PCB - ELECTRONIC CONTROL
PILOT SOLENOID
GAS ARRANGEMENT - WHITE ROGERS
IS SYSTEM FULLY PUMPED?
FAN ASSEMBLY
BURNER IGNITES (SIT)
PCB - ELECTRONIC CONTROL
BURNER IGNITES (SIT)
INJECTOR - BURNER
BURNER IGNITES
GAS VALVE (SIT)
BURNER IGNITES
PCB - ELECTRONIC CONTROL
BURNER IGNITES
INJECTOR - BURNER
BURNER IGNITES
GAS VALVE (HONEYWELL)
BURNER IGNITES (WHITE ROGERS)
PCB - ELECTRONIC CONTROL
BURNER IGNITES (WHITE ROGERS)
INJECTOR - BURNER
HIGH BURNER
GAS VALVE
IS SYSTEM FULLY PUMPED?
PRESSURE SWITCH (AIR)
IS SYSTEM FULLY PUMPED?
PCB - ELECTRONIC CONTROL
MAINS FUSE
Z REDIRECT
FUSE INVESTIGATION MAINS
SOLENOID COIL (PILOT)
FUSE INVESTIGATION MAINS
SOLENOID COIL (MAIN)
NO FAULT FUSE INVESTIGATION MAINS
NO FAULT FUSE INVESTIGATION
SIT VALVE
NO FAULT FUSE INVESTIGATION
HONEYWELL VALVE
NO FAULT FUSE INVESTIGATION
FUSE INVESTIGATION
SOLENOID COIL (PILOT)
FUSE INVESTIGATION
SOLENOID COIL (MAIN)
NO FAULT FUSE INVESTIGATION
NO FAULT FUSE INVESTIGATION
HONEYWELL VALVE MAINS
NO FAULT FUSE INVESTIGATION
SIT VALVE MAINS
NO FAULT FUSE INVESTIGATION
NO MAINS POWER
Z REDIRECT
FAN CYCLES ON AND OFF
CHARACTERISTIC TEST FROM FAN RUNS
BOILER / HEAT EXCHANGER NOISY DURING OPERATION
CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION
BURNER REMAINS ON AND CONTINUES TO HEAT PAST 82 DEGREES
CHARACTERISTIC TEST FROM BOILER TEMPERATURE REACHED
OVERHEAT THERMOSTAT TRIPS BEFORE BOILER REACHES 82 DEGREES
CHARACTERISTIC TEST FROM BOILER TEMPERATURE REACHED
BOILER OPERATES QUIETLY BUT RADS DO NOT HEAT OR ONLY GET WARM
CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION
OVERHEAT HAS TRIPPED BUT WILL NOT RESET
CHARACTERISTIC TEST FROM OBSERVATION HAS OVERHEAT TRIPPED
OVERHEAT HAS TRIPPED BUT RESETS - INVESTIGATE CAUSE OF OVERHEAT
CHARACTERISTIC TEST FROM OBSERVATION HAS OVERHEAT TRIPPED
BURNER REMAINS ON AND CONTINUES TO HEAT PAST 82 DEGREES
CHARACTERISTIC TEST FROM BOILER TEMPERATURE REACHED
OVERHEAT THERMOSTAT TRIPS BEFORE BOILER REACHES 82 DEGREES
CHARACTERISTIC TEST FROM BOILER TEMPERATURE REACHED
FAN DOES NOT RUN
CHARACTERISTIC TEST FROM FAN RUNS
EXCESSIVE SYSTEM PRESSURE RISE (SEALED SYSTEM ONLY)
CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION
HONEYWELL VALVE FITTED
CHARACTERISTIC TEST FROM OBSERVATION GAS VALVE TYPE
SIT VALVE FITTED
CHARACTERISTIC TEST FROM OBSERVATION GAS VALVE TYPE
HONEYWELL VALVE FITTED
CHARACTERISTIC TEST FROM OBSERVATION GAS VALVE TYPE
SIT VALVE FITTED
CHARACTERISTIC TEST FROM OBSERVATION GAS VALVE TYPE
HONEYWELL VALVE FITTED
CHARACTERISTIC TEST FROM OBSERVATION GAS VALVE TYPE
SIT VALVE FITTED
CHARACTERISTIC TEST FROM OBSERVATION GAS VALVE TYPE
PILOT SOLENOID RESISTANCES WRONG
CHARACTERISTIC TEST FROM RESISTANCE GAS VALVE (HONEYWELL)
MAIN SOLENOID RESISTANCES WRONG
CHARACTERISTIC TEST FROM RESISTANCE GAS VALVE (HONEYWELL)
HONEYWELL VALVE FITTED
CHARACTERISTIC TEST FROM OBSERVATION GAS VALVE TYPE
SIT VALVE FITTED
CHARACTERISTIC TEST FROM OBSERVATION GAS VALVE TYPE
PILOT SOLENOID RESISTANCES WRONG
CHARACTERISTIC TEST FROM RESISTANCE GAS VALVE (HONEYWELL)
MAIN SOLENOID RESISTANCES WRONG
CHARACTERISTIC TEST FROM RESISTANCE GAS VALVE (HONEYWELL)
21/10/2019 10:18:15 1908_3_50_1 20/11/2019 09:48:35
06/11/2019 09:20:57
RESISTANCE AIR PRESSURE SWITCH WITH KIT
{GAINPCBACS}
DISCONNECT WIRES FROM APS MAKING A NOTE OF THEIR CONNECTIONS
SPARK ELECTRODE INSPECTION
DISCONNECT SPARK ELECTRODE LEAD FROM SPARK ELECTRODE
PUMP VOLTAGE (CH DEMAND)
{GAINPCBACS}
BOILER THERMOSTAT IN ITS '0' POSITION
VOLTAGE SWITCHED LIVE INTO BOILER
GAIN ACCESS TO MAINS
FUSE FURTHER INVESTIGATION (INTERNAL)
THE INFORMATION PROV
MAINS POWER SUPPLY
{GAINPCBACS}
PRESSURE GAS INLET
ATTACH PRESSURE GAUG
FUSE CHECK
REMOVE FUSE FROM THE PCB
PRESSURE GAS INLET
ATTACH PRESSURE GAUG
RESISTANCE GAS VALVE (SIT)
DISCONNECT LEADS FROM BOTH GAS VALVE SOLENOIDS
PRESSURE GAS INLET (OPERATION)
ATTACH PRESSURE GAUG
RESISTANCE MAINS FUSE
REMOVE FUSE FROM FUSED SPUR
FUSE FURTHER INVESTIGATION (MAINS)
THE INFORMATION PROV
RESISTANCE PUMP
REMOVE PUMP COVER / PLUG
RESISTANCE FAN
DISCONNECT LEADS TO FAN
PILOT OUT CONFIRMATION
ENSURE GAS TO APPLIANCE IS ISOLATED
WAIT FOR 60 SECONDS
OBSERVATION SPARKING WITH KIT
REFIT WIRES TO APS I
OBSERVATION HAS OVERHEAT TRIPPED
ENSURE BOILER IS COOL
HIGH BURNER FLAME
ENSURE THAT THE BOIL
BOILER TEMPERATURE REACHED
BOILER THERMOSTAT IN
AIR PRESSURE SWITCH: NO AIR RESISTANCE
LOWER THE CONTROLS PANEL ASSEMBLY
FAN VOLTAGE
{GAINPCBACS}
ENSURE THAT THE BOILER THERMOSTAT IS SET TO MAX
OBSERVATION GAS VALVE TYPE
THERE ARE THREE DIFF
PILOT SOLENOID VOLTAGE (WHITE ROGERS)
ENSURE THAT THE BOILER THERMOSTAT IS SET TO MAX
RESISTANCE GAS VALVE (SIT)
DISCONNECT LEADS FROM BOTH GAS VALVE SOLENOIDS
PILOT SOLENOID VOLTAGE (SIT)
{GAINPCBACS}
ENSURE THAT THE BOILER THERMOSTAT IS SET TO MAX
PILOT SOLENOID VOLTAGE
ENSURE THAT THE BOILER THERMOSTAT IS SET TO MAX
OBSERVATION GAS VALVE TYPE
THERE ARE THREE DIFF
MAIN GAS VALVE VOLTAGE (WHITE ROGERS)
ENSURE THAT THE BOILER THERMOSTAT IS SET TO MAX
MAIN GAS VALVE VOLTAGE (HONEYWELL)
ENSURE THAT THE BOILER THERMOSTAT IS SET TO MAX
MAIN GAS VALVE VOLTAGE (SIT)
{GAINPCBACS}
ENSURE THAT THE BOILER THERMOSTAT IS SET TO MAX
GAS VALVE OUTLET PRESSURE
ENSURE THAT THE BOIL
GAS VALVE OUTLET PRESSURE
ENSURE THAT THE BOIL
GAS VALVE OUTLET PRESSURE
ENSURE THAT THE BOIL
BOILER THERMOSTAT RESISTANCE (CALLING)
BOILER THERMOSTAT IN
RESISTANCE FAN
DISCONNECT LEADS TO FAN
OBSERVATION GAS VALVE TYPE
THERE ARE THREE DIFF
RESISTANCE GAS VALVE (WHITE ROGERS)
DISCONNECT LEADS FROM THE GAS VALVE
RESISTANCE GAS VALVE (HONEYWELL)
DISCONNECT LEADS FROM BOTH GAS VALVE SOLENOIDS
RESISTANCE GAS VALVE (SIT)
DISCONNECT LEADS FROM BOTH GAS VALVE SOLENOIDS
OBSERVATION REMOVE POWER SUPPLY TO APPLIANCE
REMOVE THE LIVE, SWI
OBSERVATION GAS VALVE TYPE
THERE ARE THREE DIFF
RESISTANCE GAS VALVE (WHITE ROGERS)
DISCONNECT LEADS FROM THE GAS VALVE
RESISTANCE GAS VALVE (HONEYWELL)
DISCONNECT LEADS FROM BOTH GAS VALVE SOLENOIDS
RESISTANCE GAS VALVE (SIT)
DISCONNECT LEADS FROM BOTH GAS VALVE SOLENOIDS
OBSERVATION REMOVE POWER SUPPLY TO APPLIANCE
REMOVE THE LIVE, SWI
OBSERVATION REMOVE POWER SUPPLY TO APPLIANCE
REMOVE THE LIVE, SWI
NO POWER FURTHER INVESTIGATION
THE INFORMATION PROV
System Information
- Total Tests: 247
- Sequence Logic: Decoded from encrypted .seq file
- Navigation: Dynamic based on pass/fail results
- Source: 4731307 GW SWIFTFLOW 100 SIT Control