Welcome to the XSol Diagnostic System
This system provides interactive diagnostic tests with proper sequence navigation based on the decoded .seq file logic.
OBSERVATION BOILER SELF CHECK
BOILER ON/OFF PUSHED IN, ON POSITION
ENSURE NO DEMANDS
TYPE OF DIAGNOSTIC PROCEDURE
PLEASE SELECT FROM O
OBSERVATION FAN RUNS
ENSURE BOILER IS COOL
PRESSURE GAS INLET (DHW DEMAND)
ATTACH U-GAUGE TO GAS INLET PRESSURE TEST POINT
DISPLAY CODE 30 38
NOT USED
DISPLAY CODE 51 59
NOT USED
DISPLAY CODE 52 5A
NOT USED
DISPLAY CODE B0 B8
NOT USED
DISPLAY CODE E3
NOT USED
DISPLAY CODE E5
NOT USED
DISPLAY CODE F0
NOT USED
DISPLAY CODE F1
NOT USED
DISPLAY CODE F2
NOT USED
DISPLAY CODE F3
NOT USED
DISPLAY CODE F8
NOT USED
DISPLAY CODE F9
NOT USED
DISPLAY CODE FD FF
NOT USED
FUSE FURTHER INVESTIGATION
NOT USED
FAN DOES NOT RUN
SENSOR - TEMPERATURE
FAN DOES NOT RUN 2
SENSOR - TEMPERATURE
PUMP DOES NOT RUN
CONTROLLER- VBC113
DISPLAY DOES NOT OPERATE
FUSE 2.5A (SLOW) 250V
CASE REMOVAL
Z REDIRECT
BURNER BAFFLES OR NOISY
CONDENSATE PIPEWORK
BURNER BAFFLES OR NOISY
GAS INLET PRESSURE
BURNER DOES NOT IGNITE 2
CONDENSATE PIPEWORK
BURNER DOES NOT ESTABLISH
GAS INLET PRESSURE
BURNER DOES NOT IGNITE
CONDENSATE PIPEWORK
BURNER DOES NOT IGNITE
GAS VALVE / CONTROLLER - VBC113
BURNER DOES NOT IGNITE 3
GAS VALVE
BURNER DOES NOT IGNITE
ELECTRODE - IONISATION / IGNITION
BURNER DOES NOT IGNITE
LEAD 5KOHM - IGNITION
BURNER DOES NOT IGNITE 4
ELECTRODE - IONISATION / IGNITION
BURNER DOES NOT IGNITE 2
LEAD 5KOHM - IGNITION
BURNER DOES NOT ESTABLISH 2
ELECTRODE - IONISATION / IGNITION
BURNER DOES NOT ESTABLISH
LEAD 5KOHM - IGNITION
BURNER DOES NOT ESTABLISH 2
LEAD 5KOHM - IGNITION
GAS INLET DHW DEMAMD
GAS INLET PRESSURE
EXCESSIVE SYSTEM PRESSURE
EXPANSION VESSEL
BOILER @ TEMP RADS COOL
SYSTEM PRESSURE
BOILER @ TEMP RADS COOL
SERVICE VALVES
BOILER @ TEMP RADS COOL 3
HYDRAULIC ASSEMBLY
BOILER @ TEMP RADS COOL
MOTOR - PUMP
BOILER @ TEMP RADS COOL
CARTRIDGE - BYPASS VALVE
CH DOES NOT RESPOND
INTERNAL TIMER/PROGRAMMER
SELF CHECK
DOMESTIC PLUMBING
BOILER TEMP LOW RADS COOL
SYSTEM PRESSURE
BOILER TEMP LOW RADS COOL
MOTOR - PUMP
BOILER TEMP LOW RADS COOL
SENSOR - TEMPERATURE
FAULT CODE 30
SENSOR - TEMPERATURE
FAULT CODE 30
CONTROLLER- VBC113
FAULT CODE 51
SENSOR - TEMPERATURE
FAULT CODE 51
CONTROLLER- VBC113
FAULT CODE 52 5A 2
DHW FLOW SENSOR
SELF CHECK
SENSOR - TEMPERATURE
FAULT CODE 52 5A
HARNESS CABLE - X20
FAULT CODE 52 5A
CONTROLLER- VBC113
FAULT CODE 80
SENSOR - TEMPERATURE - FLUE GAS
FAULT CODE B0 B8
CONTROLLER- VBC113
FAULT CODE E3
THERMAL SWITCH
FAULT CODE E3
CONTROLLER- VBC113
FAULT CODE F0
CONTROLLER- VBC113
NO DISPLAY
CONTROLLER- VBC113
FAULT CODE F1
SENSOR - TEMPERATURE - FLUE GAS
FAULT CODE F1
CONTROLLER- VBC113
FAULT CODE F1
SYSTEM PRESSURE
FAULT CODE F1
MOTOR - PUMP
FAULT CODE F1
SENSOR - TEMPERATURE
FAULT CODE F1
HEAT EXCHANGER
FAULT CODE F2 2
THERMAL SWITCH
FAULT CODE E3
SYSTEM PRESSURE
FAULT CODE E3 2
CONTROLLER- VBC113
FAULT CODE E3 2
MOTOR - PUMP
FAULT CODE E3
SENSOR - TEMPERATURE
FAULT CODE F2
HEAT EXCHANGER - PLATE
FAULT CODE E3 3
CONTROLLER- VBC113
FAULT CODE F2
SENSOR - TEMPERATURE
FAULT CODE F8
GAS VALVE
NO DISPLAY
FUSE (FUSED SPUR)
FAULT CODE F8
ELECTRODE - IONISATION / IGNITION
FAULT CODE F8
CONTROLLER- VBC113
FAULT CODE F9 FA FC 2
CONTROLLER- VBC113
SELF CHECK 2
CONTROLLER- VBC113
FAULT CODE FD FF
EMC FIELD
FAULT CODE FD FF
ELECTRODE - IONISATION / IGNITION
FAULT CODE FD FF
CONTROLLER- VBC113
FUSE FURTHER INVESTIGATION
FAN - NRG
FUSE FURTHER INVESTIGATION
GAS VALVE
SELF CHECK
DHW FLOW SENSOR
FAULT CODE F9
CABLE HARNESS - FAN
FAULT CODE F9 FA FC
HARNESS CABLE - X20
FAULT CODE F9
CONTROLLER- VBC113
USER CONTROLS
Z REDIRECT
FAULT CODE FD FF
LEAD 5KOHM - IGNITION
TYPE OF DIAGNOSTIC PROCEDURE
Z REDIRECT
FAULT CODE F3
LEAD 5KOHM - IGNITION
FAULT CODE F3
CONTROLLER- VBC113
FAULT CODE FD FF 2
ELECTRODE - IONISATION / IGNITION
FAULT CODE E5
ELECTRODE - IONISATION / IGNITION
FAULT CODE E5
CONTROLLER- VBC113
FAULT CODE E5
LEAD 5KOHM - IGNITION
CH DOES NOT RESPOND
CONTROLLER- VBC113
CH DOES NOT RESPOND 4
CONTROLLER- VBC113
DHW HOT COOL
SYSTEM PRESSURE
DHW HOT COOL 2
SENSOR - TEMPERATURE
DHW HOT COOL
SENSOR - TEMPERATURE
DHW HOT COOL
MOTOR - PUMP
DHW FLOW RATE
SERVICE VALVES
DHW HOT COOL
HEAT EXCHANGER - PLATE
DHW TOO HOT
SENSOR - TEMPERATURE
DHW COOL RADS HEAT 2
HYDRAULIC ASSEMBLY
DHW COOL RADS COOL
SYSTEM PRESSURE
DHW COOL RADS COOL 2
SENSOR - TEMPERATURE
DHW FLOW RATE
COLD WATER SUPPLY
DHW COOL RADS COOL
SENSOR - TEMPERATURE
DHW COOL RADS COOL
MOTOR - PUMP
DHW COOL RADS COOL
PLUMBING ISSUE
DHW COOL RADS COOL
HEAT EXCHANGER - PLATE
SERVICE MODE 2
Z REDIRECT
FAULT CODE 2
Z REDIRECT
BOILER RESET INFORMATION 2
Z REDIRECT
FAULT CODE F2
CARTRIDGE - BYPASS VALVE
DHW COOL RADS HEAT
STEPPER MOTOR - LINEAR
BOILER @ TEMP RADS COOL 2
STEPPER MOTOR - LINEAR
DISPLAY DOES NOT OPERATE 2
CONTROLLER- VBC113
PUMP DOES NOT RUN
CONNECTING CABLE HEATING CIRCUIT PUMP 20
FAULT CODE F2
CONNECTING CABLE HEATING CIRCUIT PUMP 20
FAULT CODE F1 2
CONTROLLER- VBC113
FAULT CODE F1
CONNECTING CABLE HEATING CIRCUIT PUMP 20
FUSE FURTHER INVESTIGATION
CONNECTING CABLE HEATING CIRCUIT PUMP 20
DISPLAY DOES NOT OPERATE
FAN - NRG
PUMP DOES NOT RUN
HARNESS CABLE - X20
PUMP DOES NOT RUN 3
CONTROLLER- VBC113
FAN DOES NOT RUN
CONTROLLER- VBC113
FUSE FURTHER INVESTIGATION
Z REDIRECT
BURNER BAFFLES OR NOISY
SYPHON
BURNER BAFFLES OR NOISY
EXTENSION - VENTURI
BURNER BAFFLES OR NOISY
FAN - NRG
BURNER BAFFLES OR NOISY
GAS VALVE
BURNER BAFFLES OR NOISY
BURNER GAUZE ASSEMBLY
BURNER BAFFLES OR NOISY
HEAT EXCHANGER
BURNER DOES NOT IGNITE 2
SYPHON
BURNER DOES NOT IGNITE
SYPHON
BURNER DOES NOT IGNITE
CONTROLLER- VBC113
BURNER DOES NOT IGNITE
CABLE GAS VALVE / CONTROLLER - VBC113
BURNER DOES NOT IGNITE
GAS INLET PRESSURE
BURNER DOES NOT IGNITE
CABLE - GAS VALVE
BURNER DOES NOT IGNITE
EXTENSION - VENTURI
BURNER DOES NOT IGNITE
FAN - NRG
BURNER DOES NOT IGNITE 2
GAS VALVE
BURNER DOES NOT IGNITE 2
BURNER GAUZE ASSEMBLY
BURNER DOES NOT IGNITE 2
HEAT EXCHANGER
BURNER DOES NOT IGNITE
GAS VALVE
BURNER DOES NOT IGNITE
BURNER GAUZE ASSEMBLY
BURNER DOES NOT IGNITE
HEAT EXCHANGER
BURNER DOES NOT IGNITE 2
ELECTRODE - IONISATION / IGNITION
BURNER DOES NOT IGNITE 3
CONTROLLER- VBC113
BURNER DOES NOT ESTABLISH
CONTROLLER- VBC113
BURNER DOES NOT ESTABLISH
BURNER GAUZE ASSEMBLY
BURNER DOES NOT ESTABLISH
HEAT EXCHANGER
BURNER DOES NOT IGNITE 3
ELECTRODE - IONISATION / IGNITION
BURNER DOES NOT ESTABLISH 2
CONTROLLER- VBC113
BURNER DOES NOT ESTABLISH
ELECTRODE - IONISATION / IGNITION
EXCESSIVE PRESSURE
PIPE - EXPANSION VESSEL
BOILER @ TEMP RADS COOL
CONTROLLER- VBC113
BOILER @ TEMP RADS COOL 2
CONTROLLER- VBC113
BOILER @ TEMP RADS COOL
STEPPER MOTOR - LINEAR
CH DOES NOT RESPOND 3
CONTROLLER- VBC113
CH DOES NOT RESPOND 2
CONTROLLER- VBC113
SELF CHECK 3
CONTROLLER- VBC113
BOILER SELF CHECK
FROST PROTECTION NORMAL OPERATION
FAULT CODE 30
HARNESS CABLE - X20
FAULT CODE 30
FAULT CODE RESET - RETEST BOILER OPERATION
FAULT CODE 51
HARNESS CABLE - X20
SELF CHECK
CONTROLLER- VBC113
FAULT CODE 51
FAULT CODE RESET - RETEST BOILER OPERATION
FAULT CODE 52 5A
DHW FLOW SENSOR
FAULT CODE 52 5A
FAULT CODE RESET - RETEST BOILER OPERATION
FAULT CODE B0
HARNESS CABLE - X20
FAULT CODE B0
FAULT CODE RESET - RETEST BOILER OPERATION
DISPLAY FURTHER INVESTIGATION
Z REDIRECT
FAULT CODE E3
HARNESS CABLE - X20
FAULT CODE E3
FAULT CODE RESET - RETEST BOILER OPERATION
FAULT CODE F0
FAULT CODE RESET - RETEST BOILER OPERATION
NO DISPLAY 2
CONTROLLER- VBC113
FAULT CODE F1
BOILER RESET - FAULT CODE F1
FAULT CODE F2
HARNESS CABLE - X20
FAULT CODE F2
THERMAL SWITCH
FAULT CODE F2
CONTROLLER- VBC113
NO DISPLAY
Z REDIRECT
FAULT CODE F8
FAULT CODE RESET - RETEST BOILER OPERATION
FAULT CODE F8 2
GAS VALVE
FAULT CDOE F8
FAULT CODE RESET - RETEST BOILER OPERATION
FAULT CODE F9 FA FC
FAN - NRG
FAULT CODE FD FF
FAULT CODE RESET - RETEST BOILER OPERATION
FUSE FURTHER INVESTIGATION
CONTROLLER - VBC113 - FUSE BLOWN
FAULT CODE F3
FAULT CODE RESET - RETEST BOILER OPERATION
FAULT CODE E5
FAULT CODE RESET - RETEST BOILER OPERATION
FUSE FURTHER INVESTIGATION
CABLE HARNESS - FAN
FUSE FURTHER INVESTIGATION 2
CABLE - GAS VALVE
DHW HOT COOL
CONTROLLER- VBC113
DHW TOO HOT
CONTROLLER- VBC113
DHW COOL RADS HEAT
HYDRAULIC ASSEMBLY
DHW COOL RADS HEAT 2
CONTROLLER- VBC113
DHW COOL RADS HEAT
CONTROLLER- VBC113
DHW COOL RADS HEAT 2
STEPPER MOTOR - LINEAR
BOILER TEMP LOW RADS COOL
CONTROLLER- VBC113
DHW FLOW RATE
HEAT EXCHANGER - PLATE
DHW COOL RADS COOL
CONTROLLER- VBC113
SERVICE MODE
Z REDIRECT
FAULT CODE
Z REDIRECT
DHW FLOW RATE
HYDRAULIC ASSEMBLY
FAULT CODE F2
FAULT CODE F2 - OVERHEAT
DHW FLOW RATE
DHW FLOW SENSOR
BURNER DOES NOT IGNITE 2
EXTENSION - VENTURI
BURNER DOES NOT IGNITE 2
FAN - NRG
DHW COOL RADS HEAT
HARNESS - CABLE - STEPPER MOTOR
BOILER @ TEMP RADS COOL
HARNESS - CABLE - STEPPER MOTOR
PUMP DOES NOT RUN
MOTOR - PUMP
FAULT CODE E3
MOTOR - PUMP
DHW FLOW RATE
LIMITER TYPE - WATER LEVEL
FAULT CODE F1 2
MOTOR - PUMP
NO DISPLAY
DHW FLOW SENSOR
FUSE FURTHER INVESTIGATION
MOTOR - PUMP
BOILER @ TEMP RADS COOL
EXTENSION - VENTURI
BOILER @ TEMP RADS COOL
FAN - NRG
BOILER @ TEMP RADS COOL
BURNER GAUZE ASSEMBLY
BOILER @ TEMP RADS COOL
HEAT EXCHANGER
BOILER @ TEMP RADS COOL 3
CONTROLLER- VBC113
PUMP DOES NOT RUN 2
CONTROLLER- VBC113
PUMP DOES NOT RUN
DHW FLOW SENSOR
BURNER DOES NOT IGNITE
CHARACTERISTIC TEST FROM OBSERVATION BURNER IGNITION & ESTABLISH
BURNER IGNITES BUT DOES NOT ESTABLISH
CHARACTERISTIC TEST FROM OBSERVATION BURNER IGNITION & ESTABLISH
BURNER IGNITES BUT BAFFLES OR IS NOISY
CHARACTERISTIC TEST FROM OBSERVATION BURNER IGNITION & ESTABLISH
AIR INTAKE RESTRICTED AND/OR BLOCKED
CHARACTERISTIC TEST FROM INSPECTION AIR INTAKE AND VENTURI
VENTURI RESTRICTED AND/OR BLOCKED
CHARACTERISTIC TEST FROM INSPECTION AIR INTAKE AND VENTURI
BURNER RESTRICTED AND/OR DAMAGED
CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS
HEAT EXCHANGER FLUEWAYS RESTRICTED AND/OR DAMAGED
CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS
NO PRESSURE DROP OBSERVED
CHARACTERISTIC TEST FROM PRESSURE GAS INLET DROP
PRESSURE DROPS BELOW 17.4MB N.G. / 25MB L.P.G.
CHARACTERISTIC TEST FROM PRESSURE GAS INLET DROP
AIR INTAKE RESTRICTED AND/OR BLOCKED
CHARACTERISTIC TEST FROM INSPECTION AIR INTAKE AND VENTURI
VENTURI RESTRICTED AND/OR BLOCKED
CHARACTERISTIC TEST FROM INSPECTION AIR INTAKE AND VENTURI
BURNER RESTRICTED AND/OR DAMAGED
CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS
HEAT EXCHANGER FLUEWAYS RESTRICTED AND/OR DAMAGED
CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS
BURNER RESTRICTED AND/OR DAMAGED
CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS
HEAT EXCHANGER FLUEWAYS RESTRICTED AND/OR DAMAGED
CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS
ELECTRODE GAP TO BURNER SURFACE INCORRECT
CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS / ELECTRODE
BURNER RESTRICTED AND/OR DAMAGED
CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS
HEAT EXCHANGER FLUEWAYS RESTRICTED AND/OR DAMAGED
CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS
ELECTRODE GAP TO BURNER SURFACE INCORRECT
CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS / ELECTRODE
BOILER DOES NOT RESPOND TO CH DEMAND
CHARACTERISTIC TEST FROM CH OPERATION
BOILER REACHES TEMPERATURE - RADIATORS DO NOT HEAT OR ONLY GET WARM
CHARACTERISTIC TEST FROM CH OPERATION
BOILER TEMPERATURE AND SYSTEM TEMPERATURE LOW - BOILER REMAINS LIT
CHARACTERISTIC TEST FROM CH OPERATION
EXCESSIVE SYSTEM PRESSURE RISE AS SYSTEM HEATS
CHARACTERISTIC TEST FROM CH OPERATION
PUMP RUNS CONTINUOUSLY OR BOILER ATTEMPS TO FIRE AFTER SELF CHECK COMPLETE
CHARACTERISTIC TEST FROM OBSERVATION BOILER SELF CHECK
VOLTAGE NOT AS EXPECTED ON TEST 1.
CHARACTERISTIC TEST FROM VOLTAGE DIVERTER VALVE
VOLTAGES NOT AS EXPECTED ON TEST 2/3.
CHARACTERISTIC TEST FROM VOLTAGE DIVERTER VALVE
FAULT CODE DISPLAYED
CHARACTERISTIC TEST FROM OBSERVATION BOILER SELF CHECK
BOILER GOES TO FAULT CODE F2 BEFORE 80 °C
CHARACTERISTIC TEST FROM OBSERVATION CH - OVERHEAT OCCUR
TEMPERATURE EXCEEDS 85 °C & CONTINUES TO FIRE
CHARACTERISTIC TEST FROM OBSERVATION CH - OVERHEAT OCCUR
DELAY IN RETURNING TO STANDING PRESSURE
CHARACTERISTIC TEST FROM PRESSURE STANDING RETURN
BOILER DOES NOT RESET - FAULT CODE REMAINS THE SAME
CHARACTERISTIC TEST FROM PRESSURE STANDING RETURN
DHW COOL - RADIATORS REMAIN COOL OR DO NOT INCREASE IN TEMPERATURE
CHARACTERISTIC TEST FROM DHW OPERATION
DHW COOL - RADIATORS BEGIN TO HEAT OR INCREASE IN TEMPERATURE
CHARACTERISTIC TEST FROM DHW OPERATION
DHW TOO HOT
CHARACTERISTIC TEST FROM DHW OPERATION
DHW RUNS HOT THEN COOL
CHARACTERISTIC TEST FROM DHW OPERATION
VOLTAGE NOT AS EXPECTED ON TEST 1.
CHARACTERISTIC TEST FROM VOLTAGE DIVERTER VALVE
VOLTAGES NOT AS EXPECTED ON TEST 2/3.
CHARACTERISTIC TEST FROM VOLTAGE DIVERTER VALVE
DISPLAY DOES NOT OPERATE CORRECTLY
CHARACTERISTIC TEST FROM OBSERVATION BOILER SELF CHECK
GAS RATE INCORRECT @ 100% OUTPUT
CHARACTERISTIC TEST FROM BOILER OUTPUT
HOW TO SET BOILER TO 100% OUTPUT
CHARACTERISTIC TEST FROM BOILER OUTPUT
1 RETURN CASING BLOCKED OR RESTRICTED
CHARACTERISTIC TEST FROM INSPECTION DHW FLOW COMPONENTS
2 FLOW SENSOR BLOCKED OR RESTRICTED
CHARACTERISTIC TEST FROM INSPECTION DHW FLOW COMPONENTS
AIR INTAKE RESTRICTED AND/OR BLOCKED
CHARACTERISTIC TEST FROM INSPECTION AIR INTAKE AND VENTURI
VENTURI RESTRICTED AND/OR BLOCKED
CHARACTERISTIC TEST FROM INSPECTION AIR INTAKE AND VENTURI
3 FLOW LIMITER BLOCKED OR RESTRICTED
CHARACTERISTIC TEST FROM INSPECTION DHW FLOW COMPONENTS
AIR INTAKE RESTRICTED AND/OR BLOCKED
CHARACTERISTIC TEST FROM INSPECTION AIR INTAKE AND VENTURI
VENTURI RESTRICTED AND/OR BLOCKED
CHARACTERISTIC TEST FROM INSPECTION AIR INTAKE AND VENTURI
BURNER RESTRICTED AND/OR DAMAGED
CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS
HEAT EXCHANGER FLUEWAYS RESTRICTED AND/OR DAMAGED
CHARACTERISTIC TEST FROM INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS
31/10/2017 09:51:12 1710_1_50_1 10/11/2017 11:34:29
31/10/2017 09:58:00
RESISTANCE FLOW TEMPERATURE SENSOR
REMOVE CONNECTORS FROM FLOW SENSOR
VOLTAGE FAN ASSEMBLY (MAINS VOLTAGE)
{GAINPCBACS}
RESISTANCE FUSE F4 (PCB)
REMOVE PCB FUSE
RESISTANCE GAS VALVE AND HARNESS
REMOVE CONNECTOR 35 FROM THE PCB
RESISTANCE GAS VALVE
REMOVE CONNECTOR FROM GAS VALVE
RESISTANCE GAS VALVE
REMOVE CONNECTOR FROM GAS VALVE
RESISTANCE IGNITION LEAD
DISCONNECT SPARK IGNITION LEAD FROM ELECTRODE AND PCB
DISCONNECT SPARK ELECTRODE AT SPARK GENERATOR
REMOVE SPARK ELECTRO
RESISTANCE IGNITION LEAD
DISCONNECT SPARK IGNITION LEAD FROM ELECTRODE AND PCB
VOLTAGE DIVERTER VALVE
{GAINPCBACS}
NO DEMAND
ISOLATE COLD FEED (BOILER)
ISOLATE COLD WATER FEED TO BOILER
DISCONNECT INTERNAL PROGRAMMER
DISCONNECT INTERNAL PROGRAMMER CONNECTOR (X7) FROM PCB
CH DEMAND FROM EXTERNAL CONTROLS
DISCONNECT EXTERNAL CONTROLS
{GAINPCBACS}
DISCONNECT EXTERNAL CONTROLS FROM TERMINAL BLOCK, MAKE SAFE
NO DEMANDS
RESISTANCE FLOW TEMPERATURE SENSOR & HARNESS
REMOVE CONNECTOR X20 FROM THE PCB
RESISTANCE FLOW TEMPERATURE SENSOR
REMOVE CONNECTORS FROM FLOW SENSOR
RESISTANCE FLOW TEMPERATURE SENSOR
REMOVE CONNECTORS FROM FLOW SENSOR
RESISTANCE DHW TEMPERATURE SENSOR & HARNESS
REMOVE CONNECTOR X20 FROM THE PCB
RESISTANCE DHW TEMPERATURE SENSOR
REMOVE CONNECTORS FROM DHW SENSOR
INSPECTION WATER INGRESS - FLOW SENSOR
REMOVE ELECTRICAL CONNECTOR TO FLOW SENSOR
RESISTANCE FLOW SENSOR HARNESS
REMOVE ELECTRICAL CONNECTOR TO FLOW SENSOR
REMOVE CONNECTOR X20 FROM PCB
RESISTANCE FLUE TEMPERATURE SENSOR AND HARNESS
REMOVE CONNECTOR X20 FROM THE PCB
RESISTANCE FLUE TEMPERATURE SENSOR
DISCONNECT FLUE SENSOR INLINE CONNECTOR
RESISTANCE OVERHEAT STAT AND HARNESS
ENSURE BOILER IS COOL
REMOVE CONNECTOR X20 FROM PCB
RESISTANCE OVERHEAT STAT
REMOVE 1 X SPADE CONNECTOR FROM OVERHEAT STAT
RESET APPLIANCE - FAULT CODE
ENSURE NO DEMANDS ARE PRESENT
RESISTANCE FLUE TEMPERATURE SENSOR
DISCONNECT FLUE SENSOR INLINE CONNECTOR
RESET APPLIANCE - FAULT CODE F2
ENSURE NO DEMANDS ARE PRESENT
ENSURE BOILER IS COOL
RESISTANCE OVERHEAT STAT
REMOVE 1 X SPADE CONNECTOR FROM OVERHEAT STAT
RESISTANCE FUSED SPUR
REMOVE FUSE FROM FUSED SPUR
VOLTAGE PUMP AT PCB
{GAINPCBACS}
VOLTAGE FAN ASSEMBLY (MAINS VOLTAGE)
{GAINPCBACS}
RESISTANCE FAN AND HARNESS
REMOVE CONNECTOR 100 FROM THE PCB
RESISTANCE FAN
REMOVE MAINS VOLTAGE CONNECTOR TO FAN ASSEMBLY
RESISTANCE GAS VALVE (FUSE)
REMOVE CONNECTOR FROM GAS VALVE.
RESISTANCE IGNITION LEAD
DISCONNECT SPARK IGNITION LEAD FROM ELECTRODE AND PCB
RESISTANCE IGNITION LEAD
DISCONNECT SPARK IGNITION LEAD FROM ELECTRODE AND PCB
VOLTAGE DIVERTER VALVE
{GAINPCBACS}
NO DEMAND
RESISTANCE STEPPER MOTOR
REMOVE DIVERTER VALV
RESISTANCE STEPPER MOTOR
REMOVE DIVERTER VALV
VOLTAGE PUMP AT PCB
{GAINPCBACS}
RESISTANCE PUMP CABLE (FUSE INVESTIGATION)
REMOVE CONNECTOR 20 FROM THE PCB
REMOVE WIRING CONNECTIONS AT PUMP
VOLTAGE FLOW SENSOR - DEMAND
{GAINPCBACS}
VOLTAGE FLOW SENSOR - SUPPLY
REMOVE CONNECTOR FROM FLOW SENSOR
RESISTANCE DHW TEMPERATURE SENSOR
REMOVE CONNECTORS FROM DHW SENSOR
INSPECTION CONDENSATE SYPHON
GAIN ACCESS TO CONDENSATE SYPHON
INSPECTION CONDENSATE SYPHON
GAIN ACCESS TO CONDENSATE SYPHON
INSPECTION CONDENSATE SYPHON
GAIN ACCESS TO CONDENSATE SYPHON
PRESSURE GAS INLET
ATTACH U-GAUGE TO GAS INLET PRESSURE TEST POINT
INSPECTION AIR INTAKE AND VENTURI
REMOVE AIR INTAKE MA
INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS
REMOVE BURNER MODULE UNIT ASSEMBLY FROM BOILER
PRESSURE GAS INLET
ATTACH U-GAUGE TO GAS INLET PRESSURE TEST POINT
VOLTAGE RECTIFICATION AT SPARK GENERATOR (NO DEMAND)
{GAINPCBACS}
ENSURE NO DEMANDS AND BOILER IS NOT ATTEMPTING TO IGNITE
RESISTANCE IGNITION LEAD
DISCONNECT SPARK IGNITION LEAD FROM ELECTRODE AND PCB
VOLTAGE GAS VALVE AT PCB
{GAINPCBACS}
PRESSURE GAS INLET DROP
ATTACH U-GAUGE TO GAS INLET PRESSURE TEST POINT
OBSERVATION SPARKING OCCURS
REMOVE ELECTRODE LEA
RESISTANCE GAS VALVE AND HARNESS
REMOVE CONNECTOR 35 FROM THE PCB
INSPECTION AIR INTAKE AND VENTURI
REMOVE AIR INTAKE MA
INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS
REMOVE BURNER MODULE UNIT ASSEMBLY FROM BOILER
INSPECTION ELECTRODE
REMOVE ELECTRODE ASSEMBLY FROM BOILER
INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS / ELECTRODE
REMOVE BURNER MODULE UNIT ASSEMBLY FROM BOILER
INSPECTION ELECTRODE
REMOVE ELECTRODE ASSEMBLY FROM BOILER
RESISTANCE IGNITION LEAD
DISCONNECT SPARK IGNITION LEAD FROM ELECTRODE AND PCB
INSPECTION ELECTRODE
REMOVE ELECTRODE ASSEMBLY FROM BOILER
INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS / ELECTRODE
REMOVE BURNER MODULE UNIT ASSEMBLY FROM BOILER
PRESSURE EXPANSION VESSEL
BOILER DRAINED, PRIMARY SYSTEM WATER
OBSERVATION DIVERTER VALVE PADDLE
REMOVE DIVERTER VALVE STEPPER MOTOR
RESISTANCE STEPPER MOTOR AND HARNESS
REMOVE CONNECTOR X3 FROM THE PCB
INSPECTION INTERNAL BY-PASS
DRAIN PRIMARY SYSTEM WATER FROM BOILER
REMOVE INTERNAL BY-PASS
VOLTAGE RETURN EXTERNAL CONTROLS
{GAINPCBACS}
DISCONNECT FLOW SENSOR (DHW)
REMOVE ELECTRICAL CONNECTOR TO DHW FLOW SENSOR
VOLTAGE RETURN EXTERNAL CONTROLS
{GAINPCBACS}
RESISTANCE FLOW TEMPERATURE SENSOR
REMOVE CONNECTORS FROM FLOW SENSOR
TEMPERATURE FLOW PIPE (FROST PROTECTION)
ATTACH FGA TEMPERATURE SENSOR TO PRIMARY HEAT EXCHANGER FLOW CONNECTION
OBSERVATION DISPLAY CH OR DHW SYMBOL
ENSURE NO DEMANDS
RESET APPLIANCE - FAULT CODE
ENSURE NO DEMANDS ARE PRESENT
RESET APPLIANCE - FAULT CODE
ENSURE NO DEMANDS ARE PRESENT
RESISTANCE FLOW SENSOR AND HARNESS
REMOVE CONNECTOR X20 FROM PCB
RESET APPLIANCE - FAULT CODE
ENSURE NO DEMANDS ARE PRESENT
RESET APPLIANCE - FAULT CODE
ENSURE NO DEMANDS ARE PRESENT
RESET APPLIANCE - FAULT CODE E3
ENSURE BOILER IS COOL
ENSURE NO DEMANDS ARE PRESENT
VOLTAGE MAINS INPUT PCB
{GAINPCBACS}
RESET APPLIANCE - FAULT CODE F1
ENSURE NO DEMANDS ARE PRESENT
ENSURE BOILER IS COOL
RESISTANCE FLOW TEMPERATURE SENSOR
REMOVE CONNECTORS FROM FLOW SENSOR
OBSERVATION FLUE GAS TEMPERATURE
INSERT TEMPERATURE PROBE INTO FLUE GAS TEST POINT
RESISTANCE FLOW TEMPERATURE SENSOR
REMOVE CONNECTORS FROM FLOW SENSOR
RESISTANCE DHW TEMPERATURE SENSOR
REMOVE CONNECTORS FROM DHW SENSOR
PRESSURE STANDING RETURN
ATTACH U-GAUGE TO IN
INSPECTION ELECTRODE
REMOVE ELECTRODE ASSEMBLY FROM BOILER
RESET APPLIANCE - FAULT CODE
ENSURE NO DEMANDS ARE PRESENT
VOLTAGE FAN CONTROL
REMOVE 1 CONNECTOR F
RESISTANCE FAN CONTROL HARNESS
REMOVE FAN CONTROL CONNECTOR FROM FAN ASSEMBLY
RESISTANCE POWER CABLE FAN ASSEMBLY
REMOVE FAN POWER CONNECTOR TO FAN ASSEMBLY
INSPECTION ELECTRODE
REMOVE ELECTRODE ASSEMBLY FROM BOILER
RESET APPLIANCE - FAULT CODE
ENSURE NO DEMANDS ARE PRESENT
RESISTANCE PUMP AND HARNESS
REMOVE CONNECTOR 20 FROM THE PCB
RESISTANCE GAS VALVE AND HARNESS (FUSE)
REMOVE CONNECTOR 35 FROM THE PCB
RESISTANCE IGNITION LEAD
DISCONNECT SPARK IGNITION LEAD FROM ELECTRODE AND PCB
RESET APPLIANCE - FAULT CODE
ENSURE NO DEMANDS ARE PRESENT
INSPECTION ELECTRODE
REMOVE ELECTRODE ASSEMBLY FROM BOILER
INSPECTION ELECTRODE
REMOVE ELECTRODE ASSEMBLY FROM BOILER
RESET APPLIANCE - FAULT CODE
ENSURE NO DEMANDS ARE PRESENT
RESISTANCE DHW TEMPERATURE SENSOR
REMOVE CONNECTORS FROM DHW SENSOR
RESISTANCE DHW TEMPERATURE SENSOR
REMOVE CONNECTORS FROM DHW SENSOR
RESISTANCE FLOW TEMPERATURE SENSOR
REMOVE CONNECTORS FROM FLOW SENSOR
INSPECTION PLATE HEAT EXCHANGER
ISOLATE AND DRAIN CO
OBSERVATION DIVERTER VALVE PADDLE
REMOVE DIVERTER VALVE STEPPER MOTOR
RESISTANCE STEPPER MOTOR AND HARNESS
REMOVE CONNECTOR X3 FROM THE PCB
INSPECTION DHW FLOW COMPONENTS
DRAIN THE DOMESTIC H
RESISTANCE DHW TEMPERATURE SENSOR
REMOVE CONNECTORS FROM DHW SENSOR
RESISTANCE FLOW TEMPERATURE SENSOR
REMOVE CONNECTORS FROM FLOW SENSOR
INSPECTION PLATE HEAT EXCHANGER
ISOLATE AND DRAIN CO
BOILER OUTPUT
SET BOILER TO 100% OUTPUT
INSPECTION INTERNAL BY-PASS (OVERHEAT)
DRAIN PRIMARY SYSTEM WATER FROM BOILER
REMOVE INTERNAL BY-PASS
INSPECTION AIR INTAKE AND VENTURI
REMOVE AIR INTAKE MA
DISCONNECT CONNECTOR X20
REMOVE CONNECTOR X20 FROM PCB AND MAKE SAFE
RESISTANCE PUMP CABLE
REMOVE CONNECTOR 20 FROM THE PCB
GAIN ACCESS TO PUMP CONNECTIONS (TOP OF PUMP)
RESISTANCE PUMP CABLE
REMOVE CONNECTOR 20 FROM THE PCB
GAIN ACCESS TO PUMP CONNECTIONS (TOP OF PUMP)
RESISTANCE PUMP CABLE
REMOVE CONNECTOR 20 FROM THE PCB
GAIN ACCESS TO PUMP CONNECTIONS (TOP OF PUMP)
OBSERVATION FAN RUNS (NO DISPLAY)
REMOVE 1 CONNECTOR FROM OVERHEAT STAT AND MAKE SAFE
INSPECTION AIR INTAKE AND VENTURI (OUTPUT)
REMOVE AIR INTAKE MA
INSPECTION BURNER / HEAT EXCHANGER FLUEWAYS
REMOVE BURNER MODULE UNIT ASSEMBLY FROM BOILER
VOLTAGE PUMP AT PCB
{GAINPCBACS}
INSPECTION FAN - INTERNAL
WITH AIR INTAKE MANIFOLD AND FAN VENTURI REMOVED FROM PREVIOUS TEST
RESISTANCE HARNESS FLOW SENSOR
REMOVE CONNECTOR FROM FLOW SENSOR
System Information
- Total Tests: 465
- Sequence Logic: Decoded from encrypted .seq file
- Navigation: Dynamic based on pass/fail results
- Source: 4731307 GW SWIFTFLOW 100 SIT Control