I HAVE THE ABOVE UNIT WHICH WAS SERVICED 2 MONTHS AGO AND JUST NOTICED NO HOT WATER OR HEATING, ON CHECKING THE UNIT THE DISPLAY IS BLANK
THERE IS POWER GETTING THROUGH FROM THE TIME CLOCK TO THE UNIT . THE FUSE ON THE CONTROL BOARD IS FINE . PLEASE CAN YOU ADVISE IF POSSIBLE OF WHAT COULD CAUSE THIS OR HOW TO FIX

I WHITBREAD, May 2008

suspect the pcb board is the fault

bill, May 2008