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Old 10-16-2016, 06:41 PM   #1
Junior Member
Brand: Thor Motor Coach
Model: Tuscany 34ST
State: Oregon
Posts: 25
THOR #1149
Generator Mystery

This morning walking by my coach I find the generator running. We did not start it and the coach was locked. It is plugged into shore power so the batteries are up.
I unplugged shore power and verified that power to the outlet was good. I turned off the generator and plugged the shore power back in. Heard a good thunk as the transfer switch engaged. Checked the panel and the coach is indeed receiving electricity.
I do have the auto start set up to start the generator when the batteries get low, but they are not low.
Any ideas?


Steve & Patti Shelton
2015 Tuscany XTE 34ST
2014 Jeep Cherokee
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Old 10-16-2016, 10:30 PM   #2
Senior Member
SuperD's Avatar
Brand: Thor Motor Coach
Model: 2017 Windsport 29M
State: Indiana
Posts: 3,692
THOR #5196
That IS weird! First I would turn off auto start since you are plugged in. Next, at some point I would unplug, turn auto start on and see what happens. Sensor for low battery may be bad causing auto start even when batteries are charged. Or maybe you have one of those little electrical gremlins that are hard to find and very annoying! Not a big fan of auto start, have seen to many problems with it.

USMC Veteran
FMCA 101070S

Dave & Myra
One day your life will flash before your eyes,
make sure it's worth watching!
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Old 10-18-2016, 01:26 AM   #3
Senior Member
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Brand: Thor Motor Coach
Model: Palazzo 35.1
State: New Jersey
Posts: 137
THOR #2831
Or is it possible that the AC power was lost, causing the genny to start? We had a CG that was installing new service, killed the power to all the CG. In addition to mine, about a dozen other generators fired up.
Glenn & Jeanne
2014 Palazzo 35.1
2015 Equinox Toad
BlueOx tow system
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