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

Location:
System. Refill and Vent the system. If a Sealed System ensure it is correctly pressurised and if Open vented ensure the cold feed arrangement is clear.
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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