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Hello
I have a Bosch dishwasher I am having a problem with. It is not filling with water when I turn it on. I have checked across the 2 terminals with the dishwasher running and I have 0 volts. Each one of these terminals to ground has 120 volts though. I think the 120 volts should be across the terminals though. What does the 120 volts to ground mean?
Any help as to what my next step would be would be greatly appreciated.
Thanks in advance
Mike
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Rank: Member
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You don't say specifically, but I suspect you are testing across the terminals to the inlet valve. If so, the control is calling for water (because the 120 VAC to ground is present), so that means that you are losing the neutral somewhere. I suspect one of the switches on the water fill assembly has issues. The picture below will help identify the switches you will need to test. That assembly is mounted on the LH side of the tub. Appliance Ninja attached the following image(s):
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Rank: Member
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Joined: 12/26/2007(UTC)
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Thanks very much for your quick reply. Yes, I checked between the terminals on the water inlet valve first and found the 120 volts to ground.
I will check the float switch next. Thanks for the post with the link to the switches.
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Rank: Member
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You bet, let me know what you find!
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Rank: Member
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Ninja
Well, I checked the float switch, manually it moves up and down okay. I took the leads off and checked continuity, that seemed okay also.
I plugged the connector in and turned on the dishwasher.
The top of the connector had a red and white wire, the middle connector had a single gray wire, and the bottom had a single white wire.
With the dishwasher on and the connector plugged in, I checked voltage where the wires went in.
I had 120 volts between the red/white and single gray. Also had 120 volts between the single gray and single white wire. (top prong/middle prong & bottom prong/middle prong)
0 volts between the top red/white and bottom single white wire.
120 volts from top red/white to ground and 120 volts between bottom single wire and ground.
Not sure where to go from here.
Thanks again
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Rank: Member
Groups: Registered
Joined: 11/12/2013(UTC)
Posts: 957
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The page below will help you test from the control. There are several things involved with that fill. I figured it would be something common, but looks like not. Let me know what you find with the tests below. Appliance Ninja attached the following image(s):
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Rank: Member
Groups: Registered
Joined: 12/26/2007(UTC)
Posts: 4
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Thanks Ninja. I will troubleshoot that next and let you know.
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Rank: Member
Groups: Registered
Joined: 11/12/2013(UTC)
Posts: 957
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You are very welcome, keep me posted!
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