UK Appliance Repair Questions? Ask a Technician for Answers ASAP
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So you lift up the float and it fills?
OK so you are lifting up the overflow float correct under the unit?
Ok so the unit just overfills and never starts to run a cycle?
OK how do you get the water to stop filling in the unit?
Does the water stop right away then, this sounds like a fill valve issue, the valve could be sticking open or fill sensor could be bad and causing it to overfill, but normally that would be a bad valve typically on the Bosch units.
Ok what you can do is check to see if the unit is supplying constant power to the valve when you start a cycle....it should fill for about 1 minute then power should at some point be cut to the valve...if you lose power to the valve and it is still filling replace the valve. If it is still sending power to the valve the entire time until you open the door I would say you have a control issue.
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You would need to use a volt meter and place it across the two wires going to the valve when it is filling to check for power and watch it on your volt meter to see if power cuts off as it should to stop the unit from filling any further, chances are you just have a sticky valve causing the issue.
Yes just see if you have a volt meter