On some sprints there used to be a resetable overheat stat at top of heat exchanger can`t remember which side others had a self re-setting one . I would check this first. Wiring diagram should be on back of front panel
However, removing the combustion chamber cover should be done by a CORGI or competent person because of the risk of not resealing properly and letting CO into the room.
"""i am registered and new to break down and repair. also no to good with putting thing s down in writing. I only require a bit of help and guidence! """
I come across many newly registered CORGIs who I would be somewhat worried about in this situation ( including one of our registered operatives! ).
Its quite easy to tighten up screws when the case is incorrectly located and create a potentially dangerous situation.
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