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

Location:
Connects the main PCB to the: Hot water flow turbine, fan hall sensor, pump speed control (if fitted), return & heat exchanger temperature sensors and low water pressure switch.
Upon completion of the fault diagnostics carry out final electrical safety tests and checks as per TOPs (C6).

Refer to ADAPT for further information.

Please leave Feedback about this diagnosis via:
XSOL FEEDBACK FORM
Phone - 722429
or Email - Diaglab@britishgas.co.uk