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:

OCEAN ALPHA 240

G.C. NUMBER 47 532 0

Next: &17, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

HOT WATER

SELECTOR SWITCH IN HW POSITION.
HW THERMOSTAT TO MAX.

Next: &nff, ?114, ?116

CH PUMP OVERRUN

SELECTOR SWITCH IN CH & HW POSITION.
CH THERMOSTAT TO MAX.

Next: &1, !f113

CENTRAL HEATING

SELECTOR SWITCH IN CH & HW POSITION.
CH THERMOSTAT TO MAX.

Next: &2, ?105, ?107

CH MODULATION

SELECTOR SWITCH IN CH & HW POSITION.
CH THERMOSTAT TO MAX.

Next: &3, f102

CH MAIN BURNER IGNITES

SELECTOR SWITCH IN CH & HW POSITION.

Next: &4, !f101

CH DEMAND LED (NEON)

SELECTOR SWITCH IN CH & HW POSITION.

Next: &5, f94

HW MODULATION

SELECTOR SWITCH IN HW POSITION.
HW THERMOSTAT TO MAX.

Next: &6, f89

HW MAIN BURNER IGNITES

SELECTOR SWITCH IN HW POSITION.
HW THERMOSTAT TO MAX.

Next: &7, f84

HW DEMAND LED (NEON)

SELECTOR SWITCH IN HW POSITION.

Next: &8, f79

PILOT FLAME FAILURE

SELECTOR SWITCH IN HW POSITION.

Next: &9, !f78

PILOT ESTABLISHED

SELECTOR SWITCH IN HW POSITION.

Next: &10, f73

HIGH SPEED FAN

SELECTOR SWITCH IN HW POSITION.

Next: &119, f32

SLOW FAN

SELECTOR SWITCH IN HW POSITION.

Next: &13, f29

MAINS POWER LED (NEON)

SELECTOR SWITCH IN HW POSITION.

Next: &14, f20

SYSTEM CHECKS

{ISOLATEMAINSPOWER}

Next: &15, !f19

OCEAN ALPHA 240

{ISOLATEMAINSPOWER}<

Next: &16, !f18

PILOT IGNITES

SELECTOR SWITCH IN HW POSITION.

Next: &11, f120

CH MAIN BURNER IGNITES

TEMPERATURE (CH) SENSOR

Next: End

CH MODULATION

MAIN PCB

Next: End

NOISY OPERATION

CH RETURN FILTER

Next: End

QUIET OPERATION

CH RETURN FILTER

Next: End

CH PUMP OVERRUN

MAIN PCB

Next: End

PILOT IGNITES

FLUE

Next: End

PILOT IGNITES

IGNITION MICROSWITCHES

Next: End

PILOT IGNITES

PILOT INJECTOR

Next: End

PILOT IGNITES

SPARK ELECTRODE LEAD

Next: End

PILOT IGNITES

SPARK ELECTRODE

Next: End

ELECTRICAL SAFETY CHECKS

ELECTRICAL CHECKS

Next: End

SYSTEM CHECKS

Next: End

MAINS POWER LED (NEON)

FUSE F2A

Next: End

MAINS POWER LED (NEON)

Next: End

MAINS POWER LED (NEON)

MAIN PCB

Next: End

SLOW FAN

MAIN PCB

Next: End

HIGH SPEED FAN

IGNITION MICROSWITCHES

Next: End

PILOT, HW DEMAND LED (NEON)

MAIN PCB

Next: End

HIGH SPEED FAN

AIR PRESSURE SWITCH

Next: End

HIGH SPEED FAN

(DIVERTER VALVE) FLOW VALVE MICROSWITCH ASSEMBLY

Next: End

HIGH SPEED FAN

TEMPERATURE (CH) SENSOR

Next: End

HIGH SPEED FAN

TEMPERATURE (DHW) SENSOR

Next: End

WARNING LED (NEON) ON

MAIN PCB

Next: End

PILOT ESTABLISHED

THERMOCOUPLE

Next: End

PILOT FLAME FAILURE

GAS VALVE

Next: End

HW DEMAND LED (NEON)

MAINS WATER INLET FILTER

Next: End

HW MAIN BURNER IGNITES

MAIN PCB

Next: End

HW MAIN BURNER IGNITES

GAS VALVE

Next: End

HW MODULATION

MAIN PCB

Next: End

HW MODULATION

TEMPERATURE (DHW) SENSOR

Next: End

CH DEMAND LED (NEON)

ROOM THERMOSTAT

Next: End

CH DEMAND LED (NEON)

MAIN PCB

Next: End

CH DEMAND LED (NEON)

NEON (LED) PCB

Next: End

CH MODULATION

TEMPERATURE (CH) SENSOR

Next: End

CENTRAL HEATING

PRIMARY HEAT EXCHANGER

Next: End

CENTRAL HEATING

Next: End

HOT WATER

DHW HEAT EXCHANGER

Next: End

HOT WATER

DIVERTER VALVE (PRIMARY FLOW VALVE)

Next: End

PILOT ESTABLISHED

GAS VALVE

Next: End

PILOT IGNITES

AIR PRESSURE SWITCH

Next: End

PILOT IGNITES

MAIN PCB

Next: End

PILOT IGNITES

GAS VALVE

Next: End

PILOT IGNITES

SPARK (IGNITION) GENERATOR

Next: End

MAINS POWER LED (NEON)

SUPPRESSOR

Next: End

MAINS POWER LED (NEON)

NEON (LED) PCB

Next: End

SLOW FAN

FAN ASSEMBLY

Next: End

PILOT, HW DEMAND LED (NEON)

NEON (LED) PCB

Next: End

HIGH SPEED FAN

PUMP

Next: End

HIGH SPEED FAN

(DIVERTER VALVE) PRIMARY FLOW VALVE DIAPHRAGM

Next: End

WARNING LED (NEON) ON

NEON (LED) PCB

Next: End

HIGH SPEED FAN

FAN ASSEMBLY

Next: End

PILOT ESTABLISHED

OVERHEAT THERMOSTAT

Next: End

HW DEMAND LED (NEON)

(DHW) FLOW VALVE MICROSWITCH ASSEMBLY

Next: End

HW DEMAND LED (NEON)

DHW FLOW VALVE DIAPHRAGM

Next: End

HW MAIN BURNER IGNITES

MAIN BURNER INJECTOR

Next: End

HW MODULATION

GAS VALVE MODULATING COIL

Next: End

CH DEMAND LED (NEON)

RELAY

Next: End

NOISY OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: p106

QUIET OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: p108

COLD RADIATORS

CHARACTERISTIC TEST FROM HOT WATER

Next: !p115

WARM RADIATORS

CHARACTERISTIC TEST FROM HOT WATER

Next: !p117

30/11/2012 11:49:33 1303_2_50_1 10/01/2013 13:32:21

30/11/2012 14:47:54

Next: End

CH POTENTIOMETER

{ISOLATEMAINSPOWER}
SET THERMOSTAT TO MAX.

Next: !p104, !f103

AIR PRESSURE SWITCH: AIR DETECT

SELECTOR SWITCH IN HW POSITION.

Next: p121, f122

FLUE

Next: !p123, !f124

IGNITION MICROSWITCH 2

{ISOLATEMAINSPOWER}

Next: !p127, !f128

PILOT BLOCKED

{ISOLATEMAINSPOWER}

Next: !p131, !f132

SUPPRESSOR VOLTAGE

SELECTOR SWITCH IN OFF POSITION.

Next: p22, f21

FUSE F2A

{ISOLATEMAINSPOWER}
SELECTOR SWITCH IN OFF POSITION.
REMOVE TERMINAL BLOCK COVER.

Next: p24, !f23

SLOW FAN VOLTAGE

SELECTOR SWITCH IN HW POSITION.

Next: !p31, !f30

DIVERTER VALVE SWITCH SPINDLE

SELECTOR SWITCH IN HW POSITION.

Next: p34, f33

PILOT, HW DEMAND LED (NEON)

SELECTOR SWITCH IN HW POSITION.

Next: p36, f35

IGNITION MICROSWITCH 1

{ISOLATEMAINSPOWER}

Next: !p38, !f37

WATER PUMP VOLTAGE

SELECTOR SWITCH IN HW POSITION.

Next: !p42, !f41

AIR PRESSURE SWITCH: NO AIR

{ISOLATEMAINSPOWER}

Next: p46, !f45

OVERHEAT THERMOSTAT

{ISOLATEMAINSPOWER}<

Next: !p118, f74

THERMOCOUPLE MV

{ISOLATEMAINSPOWER}<

Next: !p77, !f76

DHW FLOW VALVE

{ISOLATEMAINSPOWER}

Next: !p81, f80

MAINS INLET FILTER

{ISOLATEMAINSPOWER}
WATER OFF

Next: !p83, !f82

MAIN GAS VALVE VOLTAGE

SELECTOR SWITCH IN HW POSITION.

Next: p86, !f85

HW POTENTIOMETER

{ISOLATEMAINSPOWER}
SET THERMOSTAT TO MAX.

Next: p91, !f90

CH RELAY

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

Next: p96, f95

ROOM THERMOSTAT

{ISOLATEMAINSPOWER}
REMOVE TERMINAL BLOCK COVER.
ROOM THERMOSTAT CALLING FOR HEAT.

Next: !p98, !f97

CH RETURN FILTER

{ISOLATEMAINSPOWER}
WATER OFF

Next: !p110, !f109

CH RETURN FILTER

{ISOLATEMAINSPOWER}
WATER OFF

Next: !p112, !f111

IGNITION GENERATOR INPUT

{ISOLATEMAINSPOWER}
SELECTOR SWITCH IN HW POSITION.
CONNECT CROCODILE CLIP TO THERMOCOUPLE.

Next: p125, f126

IGNITE PILOT WITH MATCH

{ISOLATEMAINSPOWER}
SELECTOR SWITCH IN HW POSITION.
REMOVE COMBUSTION CHAMBER COVER.

Next: p129, f130

SPARK ELECTRODE LEAD

{ISOLATEMAINSPOWER}

Next: p133, !f134

ELECTRODE

{ISOLATEMAINSPOWER}

Next: !p135, !f136

MAINS LED VOLTAGE (HOT WATER)

SELECTOR SWITCH IN HW POSITION.

Next: !p28, !f27

MAINS POWER INPUT

{ISOLATEMAINSPOWER}
SELECTOR SWITCH IN OFF POSITION.
REMOVE TERMINAL BLOCK COVER.

Next: !p26, !f25

WARNING LED (NEON) ON

SELECTOR SWITCH IN HW POSITION

Next: p44, f43

PUMP RUNNING

SELECTOR SWITCH IN HW POSITION.

Next: !p47, f39

HIGH FAN VOLTAGE

SELECTOR SWITCH IN HW POSITION.

Next: !p55, !f54

DIVERTER VALVE MICROSWITCH OPERATION

{ISOLATEMAINSPOWER}

Next: p49, !f48

CH SENSOR

{ISOLATEMAINSPOWER}

Next: p51, !f50

HW SENSOR

{ISOLATEMAINSPOWER}

Next: !p53, !f52

HW BURNER PRESSURE

{ISOLATEMAINSPOWER}<

Next: !p88, !f87

HW SENSOR

{ISOLATEMAINSPOWER}

Next: !p93, !f92

MAINS LED VOLTAGE (CENTRAL HEATING)

SELECTOR SWITCH TO HW & CH POSITION.

Next: !p100, !f99

System Information

Total Tests: 119
Sequence Logic: Decoded from encrypted .seq file
Navigation: Dynamic based on pass/fail results
Source: 4731307 GW SWIFTFLOW 100 SIT Control