I have a Bosch SHU4302UC. Wash cycle runs fine, but when it the rinse scycle starts it runs forever. Sounds like the water comes in for ther rinse cycle and then it just rinses forever. I have tried resetting the cycles but that does not seem to have done anything
Soldier connection on my circuit board was clearly burnt. I re-soldiered and now my dishwasher heats and runs off normally.
I have a Bosch SHU5316 -- same symptoms -- turned out to be the control module (the thing with the lights & buttons on it). First replaced under parts warranty. The next time, I did it myself (you take part of the door apart). Not too bad to do, but the module cost about $100. Since this was the second time it happened, I bought a "lifetime" replacement warranty on the module ($10). Best ten bucks I ever spent. I am on my third module.
Do you have high temp rinse or sanitize selected? This will pause the timer during the final rinse cycle to heat the water. The sensor might be bad. Try the quick cycle, I don't think this heats the water.
SOURCE: Dishwahser rinse cycle running for hours
I'd say it is the control module is out -- cost about $100 (I am on my third). I got a "lifetime" warranty when buying my second one. If you are handy, you can replace it yourself. You can call Bosch to confirm this (I did). It mounts inside the door. I have a Bosch SHU5316.
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RINSE CYCLE WILL RUN FOR 6 HOURS AND STILL WILL RUN UNLESS YOU TURN IT OFF. TEMPERATURE DOES NOT SEEM TO GET WARM LIKE IT USED TO. THE RUBBER GASKET IN THE BOTTOM OF THE FOOD GRINDER WAS WORN OUT. I REPLACED IT BE TO NO AVAIL.
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