this a01 fault code comes on on my boiler, i've read the other topics about it possibly being the pcb board. now my burner does not ignite at all, can just see the spark clicking in the glass window on the burner. could this possibly mean that the actual gas valve inside the boiler is faulty? or is itt still the pcb board? any help with this would be great. many thanks
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ariston microgenus A01
- Thread starter martyn88
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