boiler wont fire up and is showing f4 code even after pressing reset button. Is there anything i can do to fix it as am on a very tight budget ... thanks
f1 or f4 code usually electrode faulty. new electrode reqd. F1 do's not light. F4 lights but do's not rectify.
electrode is main fault on this boiler. F1 ,F4.
oops
October 2012
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