The relay PCB needs replacement. Disconnect the unit electrically first. You will need to remove the top panel by undoing 3 screws at the back of the machine and sliding the cover off. Next, unscrew the relay PCB (printed circuit board, held by 2 screws), which is a small circuit board located behind the main control panel. Make a careful note of the connection of the PCB. Unplug the electrical cable lugs and fit a new PCB by reversing the above procedure. new PCB available online at around £14 excluding p+p.
RAK
September 2008