vaillant turbomax blowing fuses

[P4ULT]

hi all i have a problem with a vaillant turbomax it keeps blowing the fuse on the right of the pcb almost instantly any ideas

 

[jpm]

hi all i have a problem with a vaillant turbomax it keeps blowing the fuse on the right of the pcb almost instantly any ideas

can you use a multimeter?disconnect pump connector,try it,reconnect pump and disconnect fan,try it.do you have a specific model number?If you dont have MI's let me know as I'll email them to you

 

[P4ULT]

pretty sure its the pump was gonna disconnect the pump and see if the fuse still blows if it doesnt can i assume that is the problem its a turbomax plus 24kw

 

[jpm]

pretty sure its the pump was gonna disconnect the pump and see if the fuse still blows if it doesnt can i assume that is the problem its a turbomax plus 24kw

eliminate pump/fan by disconnecting from pcb

 

[P4ULT]

eliminate pump/fan by disconnecting from pcb

sorted thats what i wanted to hear