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Old 03-15-2010, 08:14 PM   #1
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No shore power

No shore power


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Old 03-15-2010, 08:26 PM   #2
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Possibly the Automatic Transfer Switch (ATS). Try giving it a few taps with the handle of a screwdriver...

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Old 03-15-2010, 08:47 PM   #3
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Did you check the shore power source for voltage, etc?
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Old 03-15-2010, 09:47 PM   #4
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Yes it was correct
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Old 03-15-2010, 09:48 PM   #5
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Tap where ???
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Old 03-15-2010, 11:00 PM   #6
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If you have a transfer switch it should be near your shore chord. Give the box a tap.
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Old 03-19-2010, 11:49 AM   #7
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Let us know if your problem is corrected. In the meantme, welcome to the forum. What kind of RV do you have...type, make, year, model, length, etc. The more info we have the more likely we will be to give you a good answer. Is this a new or new-to-you RV? Is this a first time problem, or has it always been a problem? Is it 30 or 50 Amp service? Do you have a box near where the power cord enters the unit, or do you have a socket in a compartment for plugging in the cord?
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Old 03-19-2010, 12:34 PM   #8
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Shore power: Open Ground protection? Maybe... Phase reversal? Maybe?

I use Surge Guard: Portable Surge guard protection. Over/Under Voltage Protection
Checks power pedestal for damaging mis-wire conditions and has warning indicator for reverse polarity, dangerous current on ground wire and pedestal mis-wire.

There are several devices out there for checking. More damage is done due to undervoltage conditions or missing grounds than overvoltage or spikes.

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Old 03-19-2010, 10:44 PM   #9
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Interesting issue as if you state you have power with the Gen set. Given this then its a pretty good chance the problem is with the transfer switch, however, you also state you hear a click. Typically with shore power the main power xfer switch default position is shore power and the xfer switch should not click. However, your coach may be wired such that shore power causes the main power transfer switch to switch.

Also, depending on the brand of invertor/charger, there may be a xfer switch in the invertor and this could be the source of the "click". If the xfer switch in the invertor is indeed the click then the main xfer switch most likely is working as the invertor is receiving power. So additional info and diagnostics are required here to more closely isolate the problem source.

Provide more info about coach brand, invertor brand, ect and Let us know what you find.
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Old 03-20-2010, 07:01 AM   #10
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primeblg, welcome to iRV2.

You don't say what kind of coach you have, but some older and some smaller coaches don't have a transfer switch. You have to manually change a power cord from the output of the genny to shore power. If that's not the case with your coach, I suspect the transfer switch as others are suggesting. The contacts can become burnt, which means they can't make good contact, or the switch may fail, which means the contacts won't move.

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