just fitted new pcb but it will not work heat or dhw
old pcb would not run CH but run DHW found burnt out track and lose resister.
fitted new board no fault codes and no on /of light for 40.c instant hot water does not light up, any one no if there is codes to set to get working
old pcb would not run CH but run DHW found burnt out track and lose resister.
fitted new board no fault codes and no on /of light for 40.c instant hot water does not light up, any one no if there is codes to set to get working