Bosch dishwasher SMS46ii00G/41 – E22 sometimes E15

[twicknix]

This dishwasher is around 4 years old, this is a bit of an odd problem. First call was the e15, found standing water on the base, suctioned out the water, checked for leaks on wash pump, drain pump and other places where it has been known for leaks yet nothing. It’s one of those metal tank, I wonder if it needs a new sump seal?

Slightly off track here, the E22 comes on nearly every time at the end of the cycle. The fault code says drainage issue (it always drains where required so the drainage isn’t the issue), am I looking at faulty drain pump that doesn’t like drying stage due to heat exposure? Should I replace the drain pump?

I don’t know if both error messages are related e15 and e22, still couldn’t pinpoint what is causing it. Maybe it is two faults – leaking sump and dodgy drain pump? Thoughts?

Thanks
Matt

[Author]

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