Try running the [https://www.manualslib.com/manual/575380/Bosch-Shi-4302.html?page=74&term=test&selected=10#manual|test program] as described in the service manual for the dishwasher and check if there are any error codes displayed. (Don't be misled by the title of the manual. Your model range is also included i.e. SHU5315)
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Try running the [link|https://www.manualslib.com/manual/575380/Bosch-Shi-4302.html?page=74&term=test&selected=10#manual|test program] as described in the service manual for the dishwasher and check if there are any error codes displayed. (Don't be misled by the title of the manual. Your model range is also included i.e. SHU5315 - see Table of Contents)
The manual also contains the schematics which may help.
Hi @nls666
Try running the [https://www.manualslib.com/manual/575380/Bosch-Shi-4302.html?page=74&term=test&selected=10#manual|test program] as described in the service manual for the dishwasher and check if there are any error codes displayed. (Don't be misled by the title of the manual. Your model range is also included i.e. SHU5315)
The manual also contains the schematics which may help.