20 Most Recent Bosch Evolution 300 SHE33M02UC Built-in Dishwasher - Page 5 Questions & Answers

If their is water at the bottom it's probably the water pump

Hot water, not boiling, get a rag, soak it and cover lid. Let it cool before having another go at undoing. Top tip, try to tighten, just a bit, as quite often it will go that way!

Pour boiling water over the cap and with a cloth unscrew whilt still hot.

possibly a dead control board

first find source of leak --valve -water line --door gasket --pump --drain --drain seal

More than likely the hinges will adjust as they may have been bent.

Check the water level.

sorry no clue as we do ours the old fashioned way by HAND

It appears that your model is probably SHEM63W52N/01 Bosch cunningly hide the heater inside the pump housing and sell the pump and heater as one unit! Having said that, the heater usually works or it doesn't. When it comes on is controlled by a control unit, another expensive part. I was looking for a relay, but there isn't one. The spray arms move by the water pressure making them spin. First of all I would remove them and check all the holes for blockages. Replace them and make sure they spin well by hand. If you are inclined, strip the pump and make sure is is clear of blockages and the impeller spins well. Check the continuity of the heater element. https://www.appliancepartspros.com/parts-for-bosch-shem63w52n-01.html ..

Check the spinner is not blocked or jammed.

These handles are often mounted from the back of the door. You might have to strip down the whole door to replace the old handle

It means that the dishwasher is not draining properly due to the drain filter being blocked

1. Defective cycle timer 2. Defective door interlock wiring or latch

The cycle timer could be defective.

Order the repair manual directly from Bosch.

Request the manual directly from Bosch.

It is most likely that it is failing due to old age and needs to be replaced.

Replace the defective cycle timer

Try cutting electrical power to it for 5 minutes. That may set electronics

Could be a defective cycle timer