The unit has a mustard coloured module with a 4Amp 240V PCB mounted Fuse just after the 240V mains power input. This fuse has gone bang.

Can someone help me with what the resistance values of the wires connecting to this module to find out if fault is a pump or a coil etc

If there are any other suggestions they would be greatly appreciated.

David, February 2007

Check the resistance of all loads that are external to the module. If the module does not show physical signs of damage I would would carry out a resistance check on solenoids, motor, drain pump,etc.
The root cause of the fuse blowing may be either a load fault (a short or very low resistance) or an earth fault.

garryk, February 2007