i have a glow worm space saver 75 ,we had a power cut weeks ago after that the boiler keeps tripping the main for the whole house, i fiddle with the isolated switch the wiring and it worked for a couple weeks but now its tripping the fuse again . pleace help !!!!
you have a short circuit somewhere on the boiler, or a loose connection. if it happens when the boiler has been on for a while then it is probably the gas valve solenoid, the pump (or the fan if it has one) causing the problem once the heat has built up inside it.
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