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Old 08-21-2014, 04:07 PM   #1
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50Amp Service Questions

For two years, I've used my Surgegard protector at every campground. Twice this last trip, I've had it not set correctly, giving me either a ? or a "reverse polarity" message. In both situations, I plugged straight in with the cord and got one of the blue lights on the power cord, but not both. And yet my power control center on the coach shows 50A service, completely normal, and everything runs normal - even two air conditioners ALL NIGHT (OK, it was West Texas).

So what gives? What are the blue lights telling me, and what is the Surgegard telling me? And two campgrounds in a row seems weird. We stayed in one for three weeks with no issues.

Never happy running without the Surgegard, but...
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Old 08-21-2014, 06:32 PM   #2
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It may be a failing sensor inside the surge guard... Or it may be a problem with the surge guard plug and/or cord. No way for me to tell remotly, easy hands on.
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Old 08-21-2014, 11:02 PM   #3
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I would check the connections on your power cord and the Surge Guard, they may have worked loose. Disconnect from power, get out a large screwdriver and tighten the four screws on the Surge Guard box. You may also want to slip the cover off of the transfer switch box and tighten the connections there. The transfer switch box is where the cord from the Surge Guard is going to on most hard mounted installations.
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Old 08-22-2014, 08:22 PM   #4
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Did you happen to take any readings with a multi-meter? I suspect that you may have found one of those places where both L1 & L2 were of the same polarity, but that is only a guess. Since the SurgeGuard uses a molded plug you won't be able to tighten anything in that.

How does the plug for the SurgeGuard look, and the receptacle on it also? What about the condition of the power cord for the RV? As was previously stated, with no more than we have to go on, it is just a matter of guessing.
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Old 08-22-2014, 08:35 PM   #5
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Do you have a key switch on SG and is it on or on bypass?
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Old 08-22-2014, 10:42 PM   #6
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If I understood correctly, your Surge Gard says there's a problem with the power so you set it aside and plugged in directly. If so, why carry the Surge Gard?
My a Progressive Industries HW50C showed a hot Neutral reversal at a campground a week ago. Next site over was open and the power was wired correctly. Had to use my extension cord but had good power.
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Old 08-23-2014, 07:33 AM   #7
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It is a portable SG, with all connections and cords looking good and solid. Ditto on the cable from the MH. I really don't think it is a connection issue, as I had just come from a CG where everything behaved completely normally. And without the SG, I still had 50A power with no problem indicated other than only having one of the blue lights on the power cord lit, instead of the usual two. I'm semi-savvy to electrical connections, but less familiar with 50A connections, which I understand have two legs.

So the question might be - what do the two blue lights indicate, and what are the possible reasons that only one of them would light?

As to why I didn't move - there wasn't any place to move to!
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Old 08-23-2014, 07:50 AM   #8
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Quote:
Originally Posted by COTuscany View Post

For two years, I've used my Surgegard protector at every campground. Twice this last trip, I've had it not set correctly, giving me either a ? or a "reverse polarity" message. In both situations, I plugged straight in with the cord and got one of the blue lights on the power cord, but not both. And yet my power control center on the coach shows 50A service, completely normal, and everything runs normal - even two air conditioners ALL NIGHT (OK, it was West Texas).

So what gives? What are the blue lights telling me, and what is the Surgegard telling me? And two campgrounds in a row seems weird. We stayed in one for three weeks with no issues.

Never happy running without the Surgegard, but...
First off you don't state what brand and model of surge guard you are using.

I have attached the web site links of the manuals for both the TRC brand and the Progressive Industries brand and neither mention anything about a BLUE light or lights.

http://trci.net/media/125322/34750-3...r%20manual.pdf

http://www.progressiveindustries.net/manuals/SSP50.pdf

If you have the TRC brand call them to see what their technical support says.

If you have the PI brand then call them.

In either case your unit appears NOT to be working as intended.

Dr4Film ----- Richard
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Old 08-23-2014, 08:47 AM   #9
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Actually, the blue lights are on the power cord of the coach, not the SG. The SG is the TRC portable unit that just about everyone uses. I'll check their website. But first question, does anyone know what the two blue lights on the coach cable plug indicate? I can't find any reference in my manuals.
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Old 08-23-2014, 08:57 AM   #10
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Quote:
Originally Posted by COTuscany View Post

Actually, the blue lights are on the power cord of the coach, not the SG. The SG is the TRC portable unit that just about everyone uses. I'll check their website. But first question, does anyone know what the two blue lights on the coach cable plug indicate? I can't find any reference in my manuals.
I am so sorry about MY confusion this morning. Obviously the coffee had not kicked in before reading your post.

I did not realize that the BLUE lights were on the power cord. I have never seen this type of power cord so I cannot offer any help other than to talk to your RV manufacturer technical service people to see what they say.

Personally, if the power is passing through the power cord correctly, I would ignore those lights. One of them may have popped and is no longer working as it should.

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