This page shows real example boiler faults and how they were fixed. Please note not all the steps in between will be documented. The manufacturers flow charts would have been consulted and followed.
DateBrandModelFaultFixNotes
27/08/2018Main Combi 30 HEIgnition Failure light and fan light flashing on simultaneously shortly after pump starts. Pump runs, Fan does not run. Fan, Pump and AP ProvenPCB Replaced

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