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

Location:
The pressure gauge is restricted blocked or faulty, as the low pressure sensor is fitted in the same hydroblock it is likely this is blocked too.
Upon completion of the fault diagnostics carry out final electrical safety tests and checks as per TOPs (C6).
Part Number: J04577


Refer to ADAPT for further information.

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