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Installation and Servicing
SECTION 4 - FAULT FINDING
4.1 FAULT FINDING CHART MAIN MENU
NO CH BUT DHW OK
NO DHW BUT CH OK
BLANK DISPLAY
FLOW TEMPERATURE SETPOINT
CANNOT BE INCREASED TO 80ºC
Go to Section 4.14
No CH but DHW OK
Go to Section 4.15
No DHW but CH OK
Go to Section 4.16
Blank Display
Ensure Flow Temp
is not limited within
Installer Mode
(see Section 2.28)
Go to Section 4.2
Overheat Lockout
Check if Flow
Thermistor correctly
clipped to pipe
Replace Flow
Thermistor
Go to Section 4.3
Ignition Lockout
Go to Section 4.4
Flame Loss
Go to Section 4.12
No Water Flow Fault
Go to Section 4.5
Flame Loss
Restart boiler by
pressing RESTART
Check Pump wiring
Replace Pump
1. Check flow and
return thermistors
securely clipped to
pipes.
2. Check flow &
return thermistors
(use values from
Section 4.7)
Unblock Pump
Go to Section 4.13
No Connection to
Primary PCB
5 Restarts within 15
minutes
Turn power off and on
Go to Section 4.6
Flame On before Gas
Valve On
Go to Section 4.7
Flow Thermistor Fault
Go to Section 4.8
Outside Sensor Fault
Go to Section 4.9
Return Thermistor
Fault
Go to Section 4.10
Fan Fault
Replace PCB
Go to Section 4.11
Low Water Pressure
Less than 185V to boiler
then check voltage at
boiler mains in.
Check if local generator is
<185V, if so contact
electricity provider.
If mains voltage is OK,
replace pump.
If problem persists,
replace primary PCB.
OVERHEAT LOCKOUT
Check other gas appliances work
If pre-payment meter check credit
If not, contact gas supplier
Restart boiler.
If fault persists contact installer
01482 498663
EXIT
RESTART
LOW MAINS VOLTAGE
LOW WATER PRESSURE
FLOW/RETURN REVERSED
IGNITION LOCKOUT
FLAME LOSS
TOO MANY RESETS
FLOW THERMISTOR FAULT
OUTSIDE SENSOR FAULT
RETURN THERMISTOR FAULT
FAN FAULT
PCB FAULT
FLAME ON BEFORE GV ON
THERMAL FUSE LOCKOUT
NO WATER FLOW FAULT
PCB REPLACED
PUMP LOW VOLTAGE FAULT
FLOW/RETURN THERMISTOR FAULT
PUMP ROTOR BLOCKED
NO CONNECTION TO PRIMARY PCB
Summary of Contents for VOGUE MAX COMBI 26
Page 4: ...4 Installation and Servicing...
Page 6: ...6 Installation and Servicing...
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