Been to this dishwasher before for the same fault about a year ago. It is the plastic tub version with the little float (part # 188106) in the sump under a cover around the size of a £1 coin. On my last call, I removed the float, cleaned it with washing up liquid and used my bottle brush (vital tool) to clean the inside of it also. This worked fine and I even showed the customer how to do this herself. She has called me back a year later telling me that she does this cleaning procedure maybe every 2 or 3 washes. The fault is intermittent flooding out of the door due to an over fill. I have played with the plastic float inside that operates the flood protection and that is working ok. Maybe the magnetic field inside this float fades in time????
Anyone any ideas? I’m tempted to order up a float as they are only about £5 retail
Cheers.
Rob.