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Old 11-04-2014, 01:27 PM   #1
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Hot/Neutral Reverse Code

I've had two microwaves fail in the last few months. Both worked sporadic, and then not at all, and neither would work on a house plug after I took them out of the trailer.

My refrigerator works fine on gas, but not on electric.

I checked the plug for the microwave, and the refrigerator and get a Hot/Neutral Reverse code on my tester for as well as the other plugs in the trailer.

Googling tells me I probably have a loose ground wire somewhere.

Does anyone have advice for me?

I'm barely competent with basic electrical so don't even know where to begin.

I used my 110 adapter and the plugs test OK.

Thanks,
Matt
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Old 11-04-2014, 05:15 PM   #2
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Hot/Neutral Reverse Code

The hot and neutral may be reversed in the trailer cord plug. If the outlet tests OK.
Do you have a molded plug on the shore power cord?
Have you checked the voltage. High or low voltage may be the culprit when it comes to the microwave problem.
If it is high. It may be the reason for the refer problem. In that the heating element burnt out.


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Old 11-05-2014, 09:53 AM   #3
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I found the problem.

After reading some threads on this forum, I checked the plug THAT AN ELECTRICIAN put in for me. He had the wires switched. Damn, damn, damn. Ruined two microwaves and cost me $200.00 for Camper Clinic to attempt a fix months ago. They said, "We can't find a problem," and charged me two hours labor." I wish they had told me to check the plug in my garage.
It took me five minutes to switch the wires and now all is well....I hope nothing else is damaged by this incompetent electrician.

Hurray for this forum, which has helped me on numerous occasions.
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Old 11-05-2014, 10:54 AM   #4
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This is exactly why I installed an EMS Power Protection unit. Instead of replacing appliances you'd be wondering "Why is the EMS not allowing the power to connect and showing reverse polarity?"
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Old 11-05-2014, 11:33 PM   #5
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Thanks Dave
I don't know what that is but I'll find out.
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Old 11-05-2014, 11:54 PM   #6
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RV surge protector

These are not cheap, but can prevent all sorts of expensive damage. It will let you know if the polarity is reversed as well as protect aganst power surges.

http://www.campingworld.com/shopping...y-30-amp/58464

Ken
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Old 11-05-2014, 11:55 PM   #7
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Quote:
Originally Posted by Matt Kline View Post
After reading some threads on this forum, I checked the plug THAT AN ELECTRICIAN put in for me. He had the wires switched. Damn, damn, damn. Ruined two microwaves and cost me $200.00 for Camper Clinic to attempt a fix months ago. They said, "We can't find a problem," and charged me two hours labor." I wish they had told me to check the plug in my garage.
It took me five minutes to switch the wires and now all is well....I hope nothing else is damaged by this incompetent electrician.
Glad you found the problem, as having the hot and neutral reversed is not a good thing, but I wouldn't expect it to ruin your microwave. Maybe you just got a couple of defective microwaves, or there is something else going on.
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