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04-22-2019, 09:44 PM
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#1
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Member
Brand: Thor Motor Coach
Model: Challenger 37TB
State: Connecticut
Posts: 98
THOR #3785
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HELP! - Stuck without house power
Hi All!
So I unplugged my rig from shore power at my house for our first trip of the season. Now, the refrigerator and TV outlets don’t work when I switch the inverter on and use the house batteries.
- They work on shore power
- They work on generator power
- Ceiling lights, water pump and other stuff connected to inverter work on house batteries
I’m dry camping on Assateague now, and I’m worried my food will go bad overnight as I have to turn off my generator.
2016 Challenger 37TB with Xantrex pro 1800 inverter
Can anyone offer some suggestions?
Thanks in advance,
Bill
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Bill Tozzo
New Fairfield, CT
2016 Challenger 37TB
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04-22-2019, 10:37 PM
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#2
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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Are you able to measure the power output from the inverter?
I'd put a meter on it, and see if it's putting out power...
Then I'd start looking "downstream" from the batteries.
Good luck in your search!
__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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04-22-2019, 10:41 PM
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#3
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Axis/Vegas Enthusiast
Brand: Thor Motor Coach
Model: Axis 24.4
State: Michigan
Posts: 9,837
THOR #1150
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I would look for the breaker near the house batteries. Look for a little box with a red button on it (and perhaps a yellow flag--if the flag is showing push it back in).
Of course: Not completely sure a Challenger has a breaker but since almost all the other Thor coaches have one I'm reasonably sure there is one.
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04-22-2019, 10:43 PM
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#4
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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Thanks, jamie: I forgot to throw that one onto the pile...
__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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04-22-2019, 10:48 PM
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#5
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Senior Member
Brand: Thor Motor Coach
Model: Miramar 34.4
State: Iowa
Posts: 794
THOR #4488
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On my Miramar (2016) the inverter (2000 watt) runs the fridge and a few plugins on the passenger side, such as the TV outlets. The inverter doesn't operate the water pump or ceiling lights since they are DC current. The inverter just converts DC battery to AC current for the plugins I mentioned and the fridge.
With all that said, are your sure the inverter is turned on? I also believe there is a breaker on the inverter itself...speaking from memory so not sure.
In any case your residential fridge will be fine overnight from 10pm until 7am. I have dry camped without running the generator over night and bad batteries running the fridge...that's how I know. Just don't open the fridge door until you retstart the genny.
Hope this helps
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04-22-2019, 10:52 PM
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#6
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Senior Member
Brand: Thor Motor Coach
State: Georgia
Posts: 2,585
THOR #4735
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Quote:
Originally Posted by BillT
- Ceiling lights, water pump and other stuff connected to inverter work on house batteries...
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those items AREN'T connected thru the Inverter, but thru the fuse panel, and the battery bank
it sounds like either you Inverter is not actually ON, or the batteries are low enough that the Inverter has hit it's LBCO(low battery cutoff) and will not continue providing 120v power.
__________________
the Turners...
two Campers, two Electric cars
former diesel pusher traveler
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04-22-2019, 10:58 PM
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#7
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Member
Brand: Thor Motor Coach
Model: Challenger 37TB
State: Connecticut
Posts: 98
THOR #3785
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Hmmm. Got it.
The inverter is on. At least the switch in the coach for the inverter is on and says 13.5 and 01.
So with my limited knowledge it looks like it’s on and the batteries are ok.
Is there something I’m missing?
__________________
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Bill Tozzo
New Fairfield, CT
2016 Challenger 37TB
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04-22-2019, 11:00 PM
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#8
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Senior Member
Brand: Thor Motor Coach
State: Georgia
Posts: 2,585
THOR #4735
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check your breakers in your Main panel box...
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04-22-2019, 11:04 PM
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#9
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,122
THOR #7035
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Your inverter has its own Automatic Transfer Switch (ATS) which allows 120 VAC to flow to the fridge and TV outlets when supplied by Shore Power (SP) or the generator, but switches to the Inverter output of 120 VAC when those two sources are not available. So either the Inverter ATS has failed or the 120 VAC output from the inverter is not being applied to the Inverter ATS: maybe the Inverter output breakers need to be reset? Maybe the entire Inverter needs to be powered down and reset.
__________________
Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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04-22-2019, 11:17 PM
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#10
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Member
Brand: Thor Motor Coach
Model: Challenger 37TB
State: Connecticut
Posts: 98
THOR #3785
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Ok.
- Checked the switch with the flag in the battery compartment. Tripped it and reset it. All good.
- I’ve attached a picture of the inverter panel.
I don’t have a tester unfortunately. But us there anything else I can check?
Thanks everyone,
Bill
__________________
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Bill Tozzo
New Fairfield, CT
2016 Challenger 37TB
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04-22-2019, 11:18 PM
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#11
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Member
Brand: Thor Motor Coach
Model: Challenger 37TB
State: Connecticut
Posts: 98
THOR #3785
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Could the switch on the panel be on and the inverter off?
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Bill Tozzo
New Fairfield, CT
2016 Challenger 37TB
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04-22-2019, 11:22 PM
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#12
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Senior Member
Brand: Thor Motor Coach
State: Georgia
Posts: 2,585
THOR #4735
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sounds like you have a tripped output breaker on the Inverter, if you have not tripped breakers in your Main panel...
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04-22-2019, 11:42 PM
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#13
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Member
Brand: Thor Motor Coach
Model: Challenger 37TB
State: Connecticut
Posts: 98
THOR #3785
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That’s music to my ears because it sounds like an easy fix. But I searched around the inverter and couldn’t find anything except two cables and a wire that looks like a telephone plug. Which I assume is the lead to the panel. No switches, breakers etc.
It’s a Xantrex Pro 1800.
Where is the output breaker?
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Bill Tozzo
New Fairfield, CT
2016 Challenger 37TB
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04-22-2019, 11:47 PM
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#14
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Senior Member
Brand: Thor Motor Coach
Model: Miramar 34.4
State: Iowa
Posts: 794
THOR #4488
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Find your inverter...probably on the wall in one of your storage compartments. It may need to be reset.
The picture you show of the inverter panel inside the coach is displaying the pass through voltage, as someone already said. So that doesn't mean the inverter is working or that the batteries are fully charged. When unplugged and genny off, then it will display the pass through voltage of just the batteries.
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04-23-2019, 01:14 AM
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#15
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Member
Brand: Thor Motor Coach
Model: Challenger 37TB
State: Connecticut
Posts: 98
THOR #3785
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Ok. I already looked around the inverter. There are no switches or controls. The only switch is the power switch inside the coach. Is there a hidden switch somewhere? Do I have to take it apart to reset it? All I can do is turn it on and off, but you folks are telling me that doesn’t mean it was ever on to begin with.
__________________
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Bill Tozzo
New Fairfield, CT
2016 Challenger 37TB
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04-23-2019, 03:45 PM
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#16
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Senior Member
Brand: Thor Motor Coach
Model: Palazzo 35.1
State: New Jersey
Posts: 138
THOR #2831
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You have a 15amp circuit breaker on the inverter.
User manual : http://www.xantrex.com/documents/Pow...ork)%20(1).pdf
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Glenn & Jeanne
2014 Palazzo 35.1
2015 Equinox Toad
BlueOx tow system
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04-23-2019, 04:19 PM
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#17
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Member
Brand: Thor Motor Coach
Model: Challenger 37TB
State: Connecticut
Posts: 98
THOR #3785
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Solved. Bad inverter. Mobile tech and Xantrex confirmed. $2100.00 bucks but it’s covered by my extended warranty.
Thank you all!
__________________
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Bill Tozzo
New Fairfield, CT
2016 Challenger 37TB
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04-23-2019, 05:00 PM
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#18
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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Glad to hear that the mystery has been solved, and that the warranty will be footing the bill!
__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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04-23-2019, 05:10 PM
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#19
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Member
Brand: Thor Motor Coach
Model: Challenger 37TB
State: Connecticut
Posts: 98
THOR #3785
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Thanks. I hear a lot of horror stories about warranties, but this one has paid for itself 3 times and I still have 2 more years.
__________________
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Bill Tozzo
New Fairfield, CT
2016 Challenger 37TB
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04-23-2019, 06:16 PM
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#20
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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Here's to hoping that this is the last time, that you need to use it!
__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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