I believe the system needs resetting as, from the research I've done so far, the unit overheated. However, I don't have a manual and I can't see anything obvious that could be a reset button. Anyone able to tell me exactly what I'm looking for and where it will be inside the unit, e.g. is it inside the control panel, fixed to the side of a pipe, etc.?
f5= overheat stat requires reseting. inside boiler top left, two wires with red button, with the power turned off, push in . its quite small about the size of 20p. this is a safty device, it means the boiler has reached 90oc. dont keep on resetting. call expert.
andy the gas man
October 2010
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