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

Location:
The internal frost protection brings the pump on at 10°C, the burner will ignite at 7°C. In these conditions the boiler will be protected against freezing. Once the temperature of the appliance reaches 12°C the boiler switches off with a 30 second pump overrun. Normal operation will then resume.
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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