Bosch she55 diagnostic - Bosch Evolution 500 SHE45M05UC Stainless Steel Dishwasher

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Service Manual
https://applianceassistant.com/ServiceManuals/bosch_shi_shu_shv_dishwasher_1998.pdf

Diagnostic Mode

How to Troubleshoot the Test Cycle on a Bosch Dishwasher

Hunker https://www.hunker.com > ... > Dishwashers
Bosch dishwashers come with a built-in test cycle option, known as the Bosch dishwasher diagnostic mode, to help identify what's going wrong. The test cycle ...

https://www.google.com/search?q=bosch+shu5312+diagnostic+mode

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Had a E90 fault,bosch condenser dryer found if I disconnected pump plug on the pcb mounted rear rhs of machine, rear connector with 2 red wires, fault would not be present and dryer would run, removed pump cleaned, and spun by hand, reassembled and operated correctly

"water not draining" and "Not getting water" seem to be mutually exclusive.
If it is not draining but the motor is running you need a pump replacement.
If it isn't getting water you may need a water valve.

You can always check out this troubleshooting guide, it should give you an overall overview of the situation and help out:
Common Bosch Dishwasher Problems And Solutions

You can find a PDF copy here: Bosch Classixx 5 Manual

Are the instructions on how to run the diagnostic test listed in the manual? FYI, I couldn't run the test on my Bosch DW because it was just too broken. Over the years the dishwasher essentially fried its own circuit board with excessive heat, which I learned is a problem common to Bosch DW's. Bosch told me the lifespan of my model was 10 years; mine was 11 years old (but was repaired once or twice). I replaced it with a Miele; no problems yet after 4 1/2 months.

If it works when water is added the the over flow switch is ok
Here is the diagnostics guide Bosch dishwasher service guide





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Resoldering the relay, regardless of how proficient one is at soldering, will not be a long term solution. The melted/burned solder joint is a secondary result of the initial failure, which is the relay itself. There is a solution that is more permanent and less costly than replacing the control with a new one.
Do a search for Bosch 266746 control and you will locate someone who has studied the problem and found a safe, long term solution.

Bosch dishwasher all cycles start at 2H and get hungup on 1 min.