Adjust, Service, Repair or Replace as necessary
Isolate Mains Power to appliance as per TOPs P4
Isolate Water and Gas as appropriate

Location:
Resistance tests have revealed no reason for fuse/s failure. Replace the fuse (correctly rated fuse/s only) if it fails again the PCB may need to be replaced or it may be that a boiler component fails during operation i.e. pump, fan, PCB etc.
Upon completion of the fault diagnostics carry out final electrical safety tests and checks as per TOPs (C6).

Refer to ADAPT for further information.

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or Email - Diaglab@britishgas.co.uk