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02-06-2022, 12:28 PM
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#1
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Montana Fan
Join Date: Mar 2020
Location: Marysville WA
Posts: 138
M.O.C. #26029
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No AC
Went to storage today I unplugged my unit and started the generator to exercise it medium load after a half hour shut it down and plugged it back in no ac to unit shut all breakers off and turned back on still no power 2021 3930FB with legacy package please help ???
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02-06-2022, 01:14 PM
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#2
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Montana Master
Join Date: Dec 2007
Location: Kansas City, Missouri
Posts: 2,707
M.O.C. #7992
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Sounds like the transfer switch thinks it is still on generator. Several reports on this forum about defective ATS automatic transfer switch.
__________________
2006 3000RK
2009 Ram 2500
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02-06-2022, 01:55 PM
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#3
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Montana Fan
Join Date: Mar 2020
Location: Marysville WA
Posts: 138
M.O.C. #26029
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When I look at display in the Monitor panel says shore power when I unplug it goes away when I start gen it displays gen then it lights up shore power when I plug in ac … is there away to reset this I just had back surgery so I’m limited on what I can do
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02-06-2022, 03:13 PM
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#4
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,370
M.O.C. #4831
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Sounds like a stuck ATS to me too. Do a Search on "automatic transfer switch" (or some variation) and you should find several posts, with pictures, of the switch, its location (behind the back passthru wall?) and how to reset it. You do want to get it replaced, hopefully under warranty.
__________________
Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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02-06-2022, 06:12 PM
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#5
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Montana Fan
Join Date: Jun 2019
Location: new river
Posts: 414
M.O.C. #24181
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like carl said more than likely the transfer switch is stuck. when you turned on the genny it switched over but now i bet the relay is stuck. happened to me and got a new one under warranty. if you have a bad back you will need to get an rv repair man or someone else to help you. it is behind the incommand module in the pass thu. hard to get at without a bad back. if someone can, probably be able to maunually push on it to get it to engage to shore. be careful while inside the transfer switch! and then get a new one if you want it to be able to transfer to gen.
al meyer
3931fb
az
__________________
al meyer
3931fb
az
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02-06-2022, 07:08 PM
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#6
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,703
M.O.C. #24086
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Some have had temporary success smacking the transfer switch with a screwdriver handle.
Some have bypassed it until the replacement ATS came in.
__________________
Daryl and Marianne,
2019 3130re 20th Anniversary Edition
2016 F350 Lariat
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02-15-2022, 01:37 PM
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#7
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Montana Fan
Join Date: Jan 2020
Location: Southoftheboarder :)
Posts: 109
M.O.C. #25725
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Late reading this post.
Curious if this AC was fixable with suggestions?
Anyone know?
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