fuse inside combi keeps blowing?
Heating working for about an hour,then nothing. Checked boiler not working all external fuses aok internal fuse blowned,checked everything seems ok,changed fuse turned boiler on blow straight away ,tried this 2 more times still no joy each time they blow.The combis name is a FRIENDLY FORMAT 80E SIME.Please help if you can,THANK YOU.
Grabo, March 2009
