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Old 04-03-2019, 05:02 PM   #1
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Brand: Thor Motor Coach
State: Florida
Posts: 7
THOR #14494
No Power

My coach has been parked for a while I went to run to generator and found that I have no power unless its shore power. I don't even here the noise I usually hear when I hit the use/store switch. I tried all the breakers and theyre fine. and my generator will not start. Any suggestion on how to troubleshoot?

Thanks.
Cathie
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Old 04-03-2019, 05:24 PM   #2
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Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 11,235
THOR #8860
Is your "Use/Store" switch set to the "Use" position?
(Sorry: I had to ask.)
My other guess would be that your coach batteries are just dead from being parked. Can you hook a charger up to them?
Good luck!
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Current coach: Tiffin Wayfarer 24 BW
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Old 04-03-2019, 05:55 PM   #3
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Brand: Thor Motor Coach
Model: 2013 ACE 30.1
State: Alberta
Posts: 917
THOR #2631
Well usually the generator cranks/starts off the coach (house) batteries.....so no cranking and the fact that you also don't hear any relay noise when you operate the use/store switch, likely means your coach batteries are dead. I don't know what kind of battery control system you have in your coach but you could try the emergency start switch by the driver to see if you hear that relay operating (likely you won't since many of the emergency start relays are powered off coach batteries too). The other problem with the emergency switch is you have to hold it on while someone else operates the use/store switch.

So probably you will need to charge the coach batteries off a regular 12vDC auto battery charger; or boost them with another battery etc. Once the voltage is up over 10-11 volts or so you should be able to operate the use/store switch and hear the latching relay operate again. If that all goes without a hitch then shore power (if connected) should be charging the coach batteries again.....but use a voltmeter to verify that the coach battery is charging (see 13.1v or higher on the voltmeter).
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Old 04-03-2019, 06:20 PM   #4
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Brand: Thor Motor Coach
Model: Palazzo 33.3 34'bunkhouse
State: Alabama
Posts: 1,796
THOR #4735
first of all, tell us WHAT coach make/model you have!
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