my biasi boilers blowing it's fuse?

cant tell with the limmited info but should not have 13 amp fuse in anyway 3 amp

tim
January 2009

yes i agree it could be the pump or the pcb. If you no a corgi reg plumber tell him/her to follow the wires from the pump to the pcb and disconect that coneector block. put a new fuse in and and turn on just for a few seconds and see if it blows. if it does its prob your pcb if not it is the pump

trainee corgi man ?
November 2008

it could be the pump

b
November 2008