Description of functioning
technical
P38
Failures and Fault Finding:
The different type of failures the boiler will show with a lockout light:
F01
The boiler trys 3 times to establish the fl ame:
each sequence lasts 6 seconds between
each sequence the stop time is 5 seconds
If the ionisation electrode fails to detect a flame
the boiler will lock out (F1)
locked.
When the boiler is working and the fl ame fails due to a malfunction of the gas valve
or ionisation electrode after 1 second without fl ame detection the boiler will shut down
(gas valves) The boiler will then attempt to relight if no flame is detected the boiler will
lock out (F1)
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POSSIBLE CAUSES
-NO GAS
-NO SPARK
- FAULTY GAS VALVE
- FAULTY IONISATION ELECTRODE
- FAULTY PCB