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Old 05-30-2010, 07:29 AM   #1
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No Power on Neutral side.. Siemans Dist Panal


My friends diswasher quit so i went to his house to take a look for him. I discovered that the wire coming to the dishwasher only has power on the BLACK wire.

If i touch the BLACK and the WHITE wire with my voltage tester I have nothing.

If I touch the BLACK and GREEN wire I have 120 volts.

WHITE and GREEN wires---NOTHING..

I went to the breaker panal, the dishwasher is on its own circut, The Ground wire and WHITE wire are securely fastened to the Nuetral Bar. Breaker is securely inserted.

Tried different breaker... No change...

Where next????
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Old 05-30-2010, 08:07 AM   #2
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It sounds like you lost the neutral (white wire) somewhere between the dishwasher and the panel! You are going to have to trace the circuit and find where the neutral was lost! Is the dishwasher hardwired or cord and plug? If it is cord and plugged check for a neutral at the outlet, if not check the box it is hardwired into. Test from hot to neutral at each point and keep tracing until you find it.

Sometimes the dishwasher and the disposal or trash compactor share a circuit so you might check them too!
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Old 05-30-2010, 08:10 AM   #3
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it is hardwired
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Old 05-30-2010, 08:23 AM   #4
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White wire (neutral) has a break somewhere and not letting the circuit make its loop back to the panel. Is it hardwired, or does it have a rec? Check all connections again, wire nuts, etc..

No sparky here, just speaking from my own experience.


I would disconnect the wires at the panel and the dishwasher wall connection. At the box, with the black also disconnected, I would tie the white wire and the bare ground wire together making sure they cannot touch anything within the panel. Then at the dw wall connection, where the wires are disconnected, check for continuity between the white and the bare ground wire. If no continuity, the white wire has a break somewhere in it. I say the white wire because you say you have power when checking from the black to the bare ground when energized.

Since you will be working inside the panel, and I do not know how much experience you have, throw the main breaker killing all the circuits, in case the wires disconnected on that end gets against something still hot.

If you have continuity between the white and bare ground, the problem is elsewhere.


I repeat, I am not a certified electrician, but I have some experience with electrical ciruits. Proceed at your own risk.
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