our heatslave worchester bosch 12/14 keeps blowing the internal fused any i?

we have replaced the fuse inside the control panel but when it is switched on again it blows could it be the reset button unit?
pam ford, March 2007


done
could be many things, need an engineer to do some checks.

hi-spec plumbing, March 2007
link Click here to see other fixes for Bosch.