Fault Finding - IDEAL Logic+ Combi 24 Installation And Servicing

73 fAUlt findinG CHARt MAin MenU
Note. Boiler status display information is shown in shaded boxes below. Up to six messages will be displayed in rotation.
Overheat lockout
3 Check radiator valves open
Ignition lockout
2 Restart boiler
Too many restarts
Fault 8
Low water pressure 1 Fill system to 1.0 bar
Flame loss
Fan fault
Flow thermistor fault
Return thermistor fault
Outside sensor fault
Low mains voltage
PCB Fault
PCB Replaced
Boiler Chip Card Fault
12 month service interval request
No CH operation but DHW operates OK
No DHW operation but CH operates OK
No Display
Note that production boiler PCBs are factory pre-set to operate for boiler range and output, but when ordering Primary PCB as a spare, an
additional Boiler Chip Card (BCC) MUST also be purchased for your specific boiler range and output.
ReStARt PRoCedURe - To restart boiler, turn mode knob to restart position and immediately turn knob back to required setting.
58

Fault Finding

1 Fill system to 1.0 bar 2 Bleed radiators
4 Restart boiler 5 Contact installer
1 Check other gas appliances work
3 Contact Installer
Contact installer
Contact installer
2 Bleed radiators
1 Check other gas appliances
Contact installer
Contact installer
Contact installer
Contact installer
Contact electricity provider
Contact installer
Restart boiler
Contact installer
Contact installer
3 Contact installer
2 contact installer
Ideal Logic
Go to Frame 74
Flow Temperature Overheat Lockout
Go to Frame 75
Ignition Lockout
5 Restarts with 15 minutes
Turn power off and on
Go to Frame 76
False Flame Lockout
Go to Frame 77
Low Water Pressure
Go to Frame 78
Flame Loss
Go to Frame 79
Fan Fault
Go to Frame 80
Flow Thermistor Fault
Go to Frame 81
Return Thermistor Fault
Go to Frame 82
Outside sensor fault
Low mains voltage
Contact Electricity Provider
If PCB is a spare check Boiler Chip Card
(BCC) fitted otherwise replace PCB*
Restart the boiler
Go to Frame 83
BCC Fault
It is recommended to have the boiler serviced
Restart the boiler to clear message
Go to Frame 84
No CH operation but DHW works OK
Go to Frame 85
No DHW but CH operates OK
Go to Frame 86
No Display
+
Combi -
Installation and Servicing