XSol Diagnostic System

VOKERA EXCELL 96E

G.C. NUMBER 47 094 1

Next: &16, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

EXPANSION VESSEL

MODE SELECTOR SWITCH TO CH POSITION
(AFTER TURNING TO LOCKOUT/RESET POSITION).

Next: &nff, !f109

CENTRAL HEATING

MODE SELECTOR SWITCH TO CH POSITION (AFTER TURNING TO LOCKOUT/RESET POSITION).

Next: &1, ?110, ?112, ?114

HOT WATER

MODE SELECTOR SWITCH TO DHW POSITION

Next: &2, ?96, ?98, ?100

C/H MODULATION

{ISOLATEMAINSPOWER}<

Next: &3, !f95

C/H BURNER IGNITES

MODE SELECTOR SWITCH TO CH POSITION (AFTER TURNING TO LOCKOUT/RESET POSITION).

Next: &4, !f94

C/H FAN RUNS

MODE SELECTOR SWITCH TO CH POSITION (AFTER TURNING TO LOCKOUT/RESET POSITION).

Next: &5, f91

DHW MODULATION

{ISOLATEMAINSPOWER}<

Next: &6, f84

DHW FLAME SENSE

MODE SELECTOR SWITCH TO DHW POSITION

Next: &7, f81

DHW BURNER IGNITES

MODE SELECTOR SWITCH TO DHW POSITION

Next: &8, f72

DHW SPARKING

MODE SELECTOR SWITCH TO DHW POSITION

Next: &9, f61

DHW FAN RUNS

MODE SELECTOR SWITCH TO DHW POSITION

Next: &10, f40

DHW DEMAND

{ISOLATEMAINSPOWER}
MODE SELECTOR SWITCH IN OFF POSITION

Next: &11, f33

STANDBY: FAN STATIONARY

MODE SELECTOR SWITCH TO LOCKOUT/RESET POSITION

Next: &12, !f32

STANDBY: STATUS LED

MODE SELECTOR SWITCH TO LOCKOUT/RESET POSITION

Next: &13, ?20, ?22

SYSTEM CHECKS

{ISOLATEMAINSPOWER}

Next: &14, !f18

VOKERA EXCELL 96E

{ISOLATEMAINSPOWER}<

Next: &15, !f17

EXPANSION VESSEL

Next: End

DHW FAN RUNS 3

IGNITION CONTROL BOX

Next: End

DHW SPARKING

SPARK ELECTRODE AND LEAD

Next: End

ELECTRICAL SAFETY CHECKS

ELECTRICAL CHECK

Next: End

SYSTEM CHECKS

Next: End

STANDBY:STATUS LED

2A FUSE

Next: End

STANDBY:STATUS LED

240V AC SUPPLY

Next: End

NO LEDS ALIGHT

THERMISTOR

Next: End

STANDBY:STATUS LED

STATUS LED

Next: End

STANDY: FAN STATIONARY

THERMISTOR

Next: End

DHW DEMAND

DHW THROTTLE

Next: End

DHW DEMAND

DHW FLOW SWITCH DIAPHRAGM

Next: End

DHW FAN RUNS

DHW FLOW MICROSWITCH

Next: End

DHW FAN RUNS

HIGH LIMIT THERMOSTAT

Next: End

DHW FAN RUNS

PUMP

Next: End

DHW FAN RUNS

BOILER FLOW SWITCH DIAPHRAGM

Next: End

DHW FAN RUNS

AIR PRESSURE SWITCH

Next: End

DHW FAN RUNS

IGNITION CONTROL BOX

Next: End

DHW SPARKING

AIR PRESSURE SWITCH TUBE

Next: End

DHW SPARKING

FLUE

Next: End

DHW SPARKING

FLUE VENTURI TUBE

Next: End

DHW BURNER IGNITES

IGNITION CONTROL BOX

Next: End

DHW BURNER IGNITES

GAS VALVE SOLENOID 1 (TOP SOLENOID)

Next: End

DHW BURNER IGNITES

GAS VALVE SOLENOID 2 (BOTTOM SOLENOID)

Next: End

DHW BURNER IGNITES

GAS VALVE ASSEMBLY

Next: End

DHW FLAME SENSE

SENSE ELECTRODE AND LEAD

Next: End

DHW MODULATION

THERMISTOR

Next: End

DHW MODULATION

MODULATION COIL

Next: End

CH FAN RUNS

IGNITION CONTROL BOX

Next: End

CH BURNER IGNITES

IGNITION CONTROL BOX

Next: End

CH MODULATION

IGNITION CONTROL BOX

Next: End

HOT WATER

DIVERTER VALVE

Next: End

NOISY OPERATION

SECONDARY HEAT EXCHANGER

Next: End

HOT WATER

PRIMARY HEAT EXCHANGER

Next: End

HOT WATER: DHW TEST PREVIOSLY PASSED, CH SYSTEM NOISY

Next: End

HOT WATER: QUIET OPERATION

Next: End

CENTRAL HEATING

DIVERTER VALVE

Next: End

CENTRAL HEATING: DHW TEST PREVIOSLY PASSED, CH SYSTEM NOISY

Next: End

CENTRAL HEATING : QUIET OPERATION

Next: End

DHW FAN RUNS 2

IGNITION CONTROL BOX

Next: End

DHW SPARKING

IGNITION CONTROL BOX

Next: End

FLASHING RED NO WARNING LED

THERMISTOR

Next: End

STANDBY:STATUS LED

IGNITION CONTROL BOX

Next: End

DHW DEMAND

DHW INLET FILTER

Next: End

DHW DEMAND

DHW FLOW SWITCH VENTURI

Next: End

DHW FAN RUNS

BOILER FLOW SWITCH VENTURI

Next: End

DHW FAN RUNS

BOILER FLOW MICROSWITCH

Next: End

DHW FAN RUNS

FAN

Next: End

DHW SPARKING

AIR PRESSURE SWITCH

Next: End

DHW BURNER IGNITES

BURNER INJECTORS

Next: End

DHW FLAME SENSE

IGNITION CONTROL BOX

Next: End

DHW MODULATION

IGNITION CONTROL BOX

Next: End

DHW MODULATION

GAS VALVE ASSEMBLY

Next: End

CH FAN RUNS

ROOM THERMOSTAT/LINK

Next: End

QUIET OPERATION, RADIATORS COLD

SECONDARY HEAT EXCHANGER

Next: End

QUIET OPERATION, RADIATORS WARM

CHARACTERISTIC TEST FROM HOT WATER

Next: !p101

PREVIOUS DHW TEST FAILED, CH SYSTEM NOISY

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: !p104

DHW TEST PREVIOUSLY PASSED, CH SYSTEM NOISY

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: !p106

QUIET OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: !p108

PREVIOUS DHW TEST FAILED, CH SYSTEM NOISY

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: !p111

DHW TEST PREVIOUSLY PASSED, CH SYSTEM NOISY

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: !p113

QUIET OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: !p115

FLASHING RED NO WARNING LED

CHARACTERISTIC TEST FROM STANDBY: STATUS LED

Next: !p21

NO LEDS ALIGHT

CHARACTERISTIC TEST FROM STANDBY: STATUS LED

Next: p23

NOISY OPERATION

CHARACTERISTIC TEST FROM HOT WATER

Next: p97

QUIET OPERATION, RADIATORS COLD

CHARACTERISTIC TEST FROM HOT WATER

Next: !p99

04/02/2013 11:27:12 1303_2_50_1 04/02/2013 14:47:37

04/02/2013 11:53:10

Next: End

DHW MIN FLOW RATE

{ISOLATEMAINSPOWER}
TURN ON HW TAP

Next: p35, f34

DHW THROTTLE SETTING

{ISOLATEMAINSPOWER}
TURN ON HW TAP

Next: !p37, !f36

BOILER FLOW SWITCH OPERATION

{ISOLATEMAINSPOWER}<

Next: p42, f41

WATER PUMP SUPPLY

MODE SELECTOR SWITCH TO DHW POSITION

Next: p44, f43

DHW FLOW MICROSWITCH

{ISOLATEMAINSPOWER}
UNPLUG BOTH M3 & M5 FROM PCB

Next: p46, !f45

DC SUPPLY 2

MODE SELECTOR SWITCH TO DHW POSITION

Next: !p56, !f117

AIR PRESSURE DIFF SWITCH: AIR DETECT

MODE SELECTOR SWITCH TO DHW POSITION

Next: p63, f62

AIR PRESSURE DIFFERENTIAL SWITCH TUBE

{ISOLATEMAINSPOWER}

Next: p65, !f64

GAS VALVE SUPPLY VOLTAGE

MODE SELECTOR SWITCH TO DHW POSITION

Next: p74, !f73

SENSE ELECTRODE VOLTAGE

{ISOLATEMAINSPOWER}<

Next: !p83, !f82

DHW MODULATION VOLTAGE

{ISOLATEMAINSPOWER}<

Next: p86, f85

THERMISTOR RESISTANCE

{ISOLATEMAINSPOWER}
CAREFULLY REMOVE WIRES FROM THERMISTOR.

Next: !p88, !f87

C/H DEMAND VOLTAGE (OUT)

MODE SELECTOR SWITCH TO C/H POSITION (AFTER TURNING TO LOCKOUT/RESET POSITION).

Next: !p93, !f92

2 A FUSE

{ISOLATEMAINSPOWER}

Next: p25, !f24

MAINS SUPPLY

Next: p27, !f26

THERMISTOR: OPEN CIRCUIT

{ISOLATEMAINSPOWER}
CAREFULLY REMOVE WIRES FROM THERMISTOR

Next: p29, !f28

STATUS LED

{ISOLATEMAINSPOWER}
UNPLUG M4 FROM PCB

Next: !p31, !f30

DHW FLOW SWITCH DIAPHRAGM

{ISOLATEMAINSPOWER}

Next: !p39, !f38

BOILER FLOW MICROSWITCH

MODE SELECTOR SWITCH TO DHW POSITION

Next: p54, f53

WATER PUMP RUNNING

{ISOLATEMAINSPOWER}
MODE SELECTOR SWITCH TO DHW POSITION
REMOVE PUMP CENTRAL INSPECTION SCREW

Next: p50, !f49

HIGH LIMIT THERMOSTAT

{ISOLATEMAINSPOWER}
REMOVE PLUGS M3 AND M5 FROM THE PCB

Next: !p116, !f47

BOILER FLOW SWITCH DIAPHRAGM

{ISOLATEMAINSPOWER}

Next: !p52, !f51

AIR PRESSURE DIFFERENTIAL SWITCH: NO AIR

{ISOLATEMAINSPOWER}
UNPLUG M5 FROM CONTROL BOX

Next: p58, !f57

FAN SUPPLY

MODE SELECTOR SWITCH TO DHW POSITION

Next: !p60, !f59

SPARK GENERATOR

{ISOLATEMAINSPOWER}

Next: !p118, !f119

FLUE

Next: p67, !f66

FLUE VENTURI

{ISOLATEMAINSPOWER}

Next: !p69, !f68

GV1 SOLENOID RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE WIRES FROM GV1 SOLENOID NOTING LOCATIONS.

Next: p76, !f75

GV2 SOLENOID RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE WIRES FROM GV2 SOLENOID NOTING LOCATIONS.

Next: p78, !f77

BURNER PRESSURE

{ISOLATEMAINSPOWER}<

Next: !p80, !f79

MODULATION COIL RESISTANCE

{ISOLATEMAINSPOWER}

Next: !p90, !f89

CENTRAL HEATING

MODE SELECTOR SWITCH TO CH POSITION (AFTER TURNING TO LOCKOUT/RESET POSITION).

Next: !p102, ?103, ?105, ?107

Welcome to the XSol Diagnostic System

System Information