Baxi duo tec forty boiler ability reduction?

Qusetions: can an individual guide? we have a very baxi duo tec forty boiler. it's misplaced all ability. now we have had the circuit board replaced these days - worked for an hour and has shut down yet again.

Any tips on what the issue could possibly be?

Thanks.

Answers:What do you signify its misplaced ability? would be the boiler obtaining ability through the change? If it really is and then the boiler is dead then modified the 1amp swiftly blow fuse about the circuit board.

Who modified the pcb? Why not get them back again?

Answers:Was the fuse checked about the pcb ahead of renewal?
The most probable fault will likely be the pump or even the fan unit.
The resistance about the motors must be checked ahead of any more new components are fitted.
It could possibly be feasible that there is usually a h2o leak someplace that is certainly blowing the circuit.
You could cellular phone Baxi to get a fix?