Overheat lockout 1 Fill system to 1.0 bar 2 Bleed radiators
3 Check radiator valves open
4 Reset boiler 5 Contact installer
Go to Frame 76
Flow Temperature Overheat Lockout
Ignition lockout /
Flue Overheat
1 Check other gas appliances work
2 Reset boiler
3 Contact Installer
Go to Frame 77
Ignition Lockout
Low water pressure 1 Fill system to 1.0 bar
Go to Frame 79
Low Water Pressure
2 Bleed radiators
Flame loss 1 Check other gas appliances
Go to Frame 80
Flame Loss
2 contact installer
Too many resets Contact installer
5 Resets with 15 minutes
Turn power off and on
Fault 8 Contact installer
3 Contact installer
Go to Frame 78
False Flame Lockout
Fan fault Contact installer
Go to Frame 81
Fan Fault
Return thermistor fault Contact installer
Go to Frame 82
Return Thermistor Fault
Outside sensor fault Contact installer
Go to Frame 83
Outside sensor fault
Low mains voltage Contact electricity provider
Low mains voltage
Contact Electricity Provider
PCB Fault Contact installer
If PCB is a spare check Boiler Chip Card
(BCC) fitted otherwise replace PCB
PCB Replaced Reset boiler
Reset the boiler
Flow thermistor fault Contact installer
Go to Frame 82
Return Thermistor Fault
Boiler Chip Card Fault Contact installer
Go to Frame 85
BCC Fault
Go to Frame 86
No CH operation but DHW works OK
No CH operation but DHW operates OK
Go to Frame 87
No DHW but CH operates OK
No DHW operation but CH operates OK
No Display
Go to Frame 88
No Display
12 month service interval request
Contact installer
It is recommended to have the boiler serviced
Reset the boiler to clear message
Note. Boiler status display information is shown in shaded boxes below. Up to six messages will be displayed in rotation.
RESET PROCEDURE - To reset boiler, turn mode knob to reset position and immediately turn knob back to required setting.
207895-2.indd 57 02/01/2013 09:38:50
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