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:

VOKERA 20 - 80 R.S. TURBO COMBINATION BOILER

G.C. NUMBER 47 094 0

Next: &89, *

NO FAULT FOUND

Next: nff

OVER-RUN CHECK

SUMMER/WINTER SWITCH SET TO WINTER.
HEATING THERMOSTAT TO MAX.
ONLY ONE RADIATOR ON.

Next: &nff, !f85

CENTRAL HEATING MODULATION CHECK

SUMMER/WINTER SWITCH

Next: &1, f82

CENTRAL HEATING CHECK

SUMMER/WINTER SWITCH SET TO WINTER.
PILOT ALIGHT.
HEATING THERMOSTAT TO MAX.

Next: &2, f75

MODULATE DOMESTIC HOT WATER CHECK

SUMMER/WINTER SWITCH SET TO SUMMER.
HW THERMOSTAT ON MAX.
CONNECT METER ACROSS MODUREG COIL.

Next: &3, f68

HOT WATER TEST

PILOT ON
SUMMER/WINTER SWITCH SET TO SUMMER.
HW THERMOSTAT TO MAX (FULLY CLOCKWISE).

Next: &4, f63

WATER FLOW TEST

REPLACE AIR CHAMBER COVER.
SUMMER/WINTER SWITCH SET TO SUMMER.

Next: &5, f54

MOVING AIR TEST

SUMMER/WINTER SWITCH SET TO SUMMER.

Next: &6, f43

DIFFERENTIAL VALVE OPERATION CHECK

SUMMER/WINTER SWITCH SET TO SUMMER.

Next: &7, ?39, ?41

SLOW FAN TEST

{GAINPCBACS}
REMO

Next: &8, f30

FLAME FAILURE TEST

PILOT LIT

Next: &9, !f29

PILOT ESTABLISHED CHECK

PILOT LIT, GAS VALVE KNOB HELD IN.

Next: &10, f24

PILOT LIGHT CHECK

HOLD IN GAS VALVE KNOB WHILST PRESSING
PIEZO IGNITER BUTTON

Next: &11, f19

SPARK TEST

REPEATEDLY PRESS PIEZO IGNITER BUTTON.

Next: &12, f16

CASE OFF

Next: &13, !f90

PILOT LIGHT CHECK

GAS SUPPLY

Next: End

PILOT LIGHT CHECK (FAIL)

HURRICANE PILOT - POLIDORO

Next: End

PILOT ESTABLISHED CHECK

THERMOCOUPLE - SHORT

Next: End

PILOT ESTABLISHED CHECK

ECO SPLIT WIRE / INTERRUPTOR

Next: End

FLAME FAILURE TEST

GASN VALVE 220 / 240V

Next: End

SLOW FAN TEST

Next: End

SLOW FAN TEST

PRINTED CIRCUIT BOARD - 20/80 RS TURBO

Next: End

SLOW FAN TEST

RESISTOR 560 OHM

Next: End

MOVING AIR TEST

MICROSWITCH - DOUBLE

Next: End

MOVING AIR TEST

FAN ASSEMBLY

Next: End

MOVING AIR TEST

FLUE SYSTEM

Next: End

WATER FLOW TEST

PRINTED CIRCUIT BOARD - 20/80 RS TURBO

Next: End

WATER FLOW TEST

PUMP - GRUNDFOS UPS 18/60

Next: End

HOT WATER TEST

SOLENOID 220/240V - GAS VALVE

Next: End

HOT WATER TEST

BURNER - MAIN - NG

Next: End

MODULATE DOMESTIC HOT WATER CHECK

PRINTED CIRCUIT BOARD - 20/80 RS TURBO

Next: End

MODULATE DOMESTIC HOT WATER CHECK

MODULATOR COIL C/W SPRING AND CORE

Next: End

MODULATE DOMESTIC HOT WATER CHECK

MICROSWITCH - DOUBLE

Next: End

CENTRAL HEATING CHECK

GAS VALVE MICROSWITCH REPLACEMENT

Next: End

CENTRAL HEATING CHECK

SWITCH (TIMED/CONSTANT)

Next: End

CENTRAL HEATING MODULATION CHECK

MICROSWITCH - DOUBLE

Next: End

OVER-RUN CHECK

THERMOSTAT - PUMP OVERRUN

Next: End

SPARK TEST

ELECTRODE SPARK

Next: End

CASE OFF

DIRECTION CHOICE OR CONTINUE

Next: End

PILOT LIGHT CHECK (PASS)

HURRICANE PILOT - POLIDORO

Next: End

PILOT ESTABLISHED CHECK

GASN VALVE 220 / 240V

Next: End

SLOW FAN TEST

SWITCH - MAIN POWER

Next: End

SLOW FAN TEST

FAN ASSEMBLY

Next: End

DIFFERENTIAL VALVE OPERATION CHECK

DIAPHRAGM - 5 SCREW MANIFOLD

Next: End

DIFFERENTIAL VALVE OPERATION CHECK

VALVE MECHANICAL 3 WAY

Next: End

MOVING AIR TEST

PRINTED CIRCUIT BOARD - 20/80 RS TURBO

Next: End

AIR PRESSURE SWITCH - NORMALLY CLOSED TEST

AIR PRESSURE SWITCH

Next: End

NORMAL FAN CHECK

AIR PRESSURE SWITCH

Next: End

WATER FLOW TEST

PUMP - GRUNDFOS UPS18/60

Next: End

WATER FLOW TEST

MICROSWITCH - SINGLE

Next: End

WATER FLOW TEST

DIAPHRAGM - FLOW SWITCH

Next: End

HOT WATER TEST

DOMESTIC HOT WATER HEAT EXCHANGER

Next: End

MODULATE DOMESTIC HOT WATER CHECK

THERMOSTAT - DHW

Next: End

CENTRAL HEATING CHECK

SUMMER / WINTER SWITCH

Next: End

CENTRAL HEATING CHECK

HEATING THERMOSTAT

Next: End

CENTRAL HEATING MODULATION CHECK

HEATING THERMOSTAT

Next: End

SPARK TEST

PIEZO IGNITER

Next: End

OPERATING PIN DOES NOT MOVE AT ALL

CHARACTERISTIC TEST FROM DIFFERENTIAL VALVE OPERATION CHECK

Next: !p40

OPERATING PIN STICKS

CHARACTERISTIC TEST FROM DIFFERENTIAL VALVE OPERATION CHECK

Next: !p42

26/08/2014 13:31:16 1712_1_50_1 09/01/2018 08:45:42

20/12/2017 15:32:01

Next: End

INSPECTION IGNITION ELECTRODE

Next: !p87, !f88

GAS SUPPLY CHECK

ATTACH PRESSURE GAUGE TO GAS VALVE PRESSURE INLET TEST POINT

Next: p21, !f20

THERMOCOUPLE VOLTAGE CHECK

PILOT LIT.
SET MULTIMETER TO 300 MV RANGE.

Next: p26, !f25

ON/OFF SWITCH CHECK

ON/OFF SWITCH SET TO ON.

Next: p32, f31

MAINS SUPPLY CHECK

Next: !p34, !f33

MAINS FAN CHECK

SUMMER/WINTER SWITCH SET TO SUMMER.

Next: p45, f44

AIR PRESSURE SWITCH - NORMALLY CLOSED TEST

SUMMER/WINTER SWITCH SET TO SUMMER.

Next: !p47, f46

MICROSWITCH (DHW FLOW SWITCH) CHECK

SUMMER/WINTER SWITCH SET TO SUMMER.
REMOVE CONNECTOR 6 - 12 AND CONNECTOR 17 - 23 FROM PCB.

Next: !p49, !f48

PUMP RUNNING CHECK

SUMMER/WINTER SWITCH SET TO SUMMER.

Next: p56, f55

PUMP 240 V TEST

SUMMER/WINTER SWITCH SET TO SUMMER.

Next: !p58, !f57

PUMP IMPELLER CHECK

BOILER DRAINED.

Next: !p62, !f61

OPERATOR RESISTANCE CHECK

DISCONNECT ONE WIRE FROM OPERATOR.

Next: p65, !f64

DC PSU CHECK

SUMMER/WINTER SWITCH SET TO SUMMER.
WATER THERMOSTAT TO MAX. (FULLY CLOCKWISE)

Next: p70, !f69

SUMMER/WINTER SWITCH CHECK

{GAINPCBACS}
SUMMER/WINTER SWITCH SET TO WINTER.

Next: p77, f76

GAS VALVE SWITCH CHECK

{GAINPCBACS}

Next: !p79, !f78

MICROSWITCH (MODUREG SWITCH) CHECK

SUMMER/WINTER SWITCH

Next: !p84, !f83

PILOT BURNER CHECK

Next: !p23, !f22

HIGH LIMIT THERMOSTAT

Next: !p28, !f27

RELAY 1 - NORMALLY CLOSED

SUMMER/WINTER SWITCH SET TO SUMMER.
ON/OFF SWITCH ON.

Next: p36, !f35

R560 CHECK

SUMMER/WINTER SWITCH SET TO SUMMER.

Next: !p38, !f37

NORMAL FAN CHECK

SUMMER/WINTER SWITCH SET TO SUMMER.
REMOVE COMBUSTION CHAMBER COVER.

Next: p51, !f50

FLUE CHECK

Next: !p53, !f52

FLOW SWITCH CHECK

SUMMER/WINTER SWITCH SET TO SUMMER.

Next: !p60, f59

CENTRAL HEATING CHECK

SUMMER/WINTER SWITCH SET TO WINTER.
PILOT ALIGHT.
HEATING THERMOSTAT TO MAX.

Next: !p67, !f66

MODUREG RESISTANCE CHECK

PULL OFF ONE WIRE FROM MODUREG.

Next: p72, !f71

MICROSWITCH (MODUREG SWITCH) CHECK

SUMMER/WINTER SWITCH

Next: !p74, !f73

CONSTANT CHECK

SUMMER/WINTER SWITCH SET TO WINTER.
ROOM STAT AT MIN.
TIMED/CONSTANT SWITCH TO CONSTANT.

Next: !p81, !f80

System Information

Total Tests: 88
Sequence Logic: Decoded from encrypted .seq file
Navigation: Dynamic based on pass/fail results
Source: 4731307 GW SWIFTFLOW 100 SIT Control