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

Location:
Appliances temperature control seems to be operating correctly, ensure all basic system checks have been carried out i.e., system pressure, air removed from system, auto air vent open, system and heat exchanger free of sludge 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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