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01-14-2021, 07:59 PM
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#1
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Junior Member
Brand: Thor Motor Coach
State: Illinois
Posts: 24
THOR #20237
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power
i recently went to check everything out from last time in m/h everything worked perfect before, now the house batteries are dead and inverter wont come on, any ideas to check it had been unplugged from shore power but is plugged in now.
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01-14-2021, 08:15 PM
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#2
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Senior Member
Brand: DRV
Model: Mobile Suites 36RSB3
State: Florida
Posts: 276
THOR #17449
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Unless you have a battery disconnect they will go dead when unplugged from shore power.
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01-14-2021, 08:20 PM
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#3
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Junior Member
Brand: Thor Motor Coach
State: Illinois
Posts: 24
THOR #20237
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how do i charge them back up? i am completly new to this
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01-14-2021, 08:23 PM
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#4
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Senior Member
Brand: DRV
Model: Mobile Suites 36RSB3
State: Florida
Posts: 276
THOR #17449
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Plugging back into shore power should bring them back to full charge
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01-14-2021, 08:27 PM
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#5
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Senior Member
Brand: Thor Motor Coach
Model: 37LS outlaw
State: New Jersey
Posts: 516
THOR #5248
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Check what?
The inverter is powered from the batteries, until they are charged it won’t work.
If you were in store mode, you won’t be able to change to in use mode until the batteries get a charge (the use ,store relay operates from those batteries.
Batteries are disconnected from the converter in store mode, so even on shore power they wouldn’t charge.
Either put a charger on them or start the engine and let the alternator charge them. Until you can operate the use,store relay.
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01-14-2021, 08:35 PM
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#6
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Junior Member
Brand: Thor Motor Coach
State: Illinois
Posts: 24
THOR #20237
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on the inverter control panel im getting a no inverter comm message?
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01-14-2021, 08:38 PM
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#7
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Junior Member
Brand: Thor Motor Coach
State: Illinois
Posts: 24
THOR #20237
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how long should that take?
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01-14-2021, 08:49 PM
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#8
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Junior Member
Brand: Thor Motor Coach
State: Illinois
Posts: 24
THOR #20237
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Where would the use store relay be located?
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01-14-2021, 09:08 PM
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#9
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,389
THOR #7035
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Quote:
Originally Posted by racer
Where would the use store relay be located?
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Year, Make, Model of RV?
Finding the relay won't do you much good. You need to find your USE/STORE (Salesman/Battery Disconnect) switch that operates the relay. SHould be right at you doorway entry.
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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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01-14-2021, 09:20 PM
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#10
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Junior Member
Brand: Thor Motor Coach
State: Illinois
Posts: 24
THOR #20237
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2016 palazzo
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01-14-2021, 09:20 PM
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#11
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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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Put a decent battery charger on those house batteries, and let them take a good overnight charge.
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01-14-2021, 09:24 PM
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#12
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Junior Member
Brand: Thor Motor Coach
State: Illinois
Posts: 24
THOR #20237
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i have 4 batteries do i just put a 12 volt charger on one of the batteries?
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01-14-2021, 09:42 PM
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#13
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Junior Member
Brand: Thor Motor Coach
State: Illinois
Posts: 24
THOR #20237
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will i need to charge each battery one at a time?
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01-14-2021, 09:57 PM
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#14
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Senior Member
Brand: DRV
Model: Mobile Suites 36RSB3
State: Florida
Posts: 276
THOR #17449
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If the batteries had a charge before you unplugged from shore power, just plug back in and check the next day. If they aren't charged the look for the switch the others have mentioned. I don't know your coach, but a lot just need to be plugged in
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01-14-2021, 10:46 PM
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#15
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,389
THOR #7035
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Quote:
Originally Posted by racer
i have 4 batteries do i just put a 12 volt charger on one of the batteries?
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That would depend on whether they were 6 volt batteries wired in a series-parallel fashion (most likely) or 12 volt batteries all wired in parallel. Post a picture of your house battery bank for a better answer.
__________________
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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01-14-2021, 10:48 PM
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#16
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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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Quote:
Originally Posted by racer
i have 4 batteries do i just put a 12 volt charger on one of the batteries?
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Are your batteries 12 volt... or 6 volt? If they are 12 volt, just hook the charger to one of the batteries.
I'm not sure about 6 volt hookup. My instinct would be to hook to the output cables from the batteries. But I've never hooked a 12 volt charger to 6 volt batteries...
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01-15-2021, 12:27 AM
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#17
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Senior Member
Brand: Thor Motor Coach
State: Missouri
Posts: 2,328
THOR #6903
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Hook your charger to the terminals on the coach where the battery bank terminates
You will need a manual charger or use jumper cables to initiate charging on dead batteries
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01-15-2021, 01:48 AM
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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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lw's directions are spot on!
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01-15-2021, 02:36 AM
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#19
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Senior Member
Brand: Thor Motor Coach
Model: 2016 Siesta Sprinter 24ST
State: Florida
Posts: 604
THOR #2812
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Caution-- Racer if you are not sure how to connect a charger, get someone to help. A wrong connection could make this much worse.....
A 4 battery setup is usually 6 volt batteries.
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U.S. Coast Guard retired- 1956-1985
Pensacola, Florida
2016 Siesta 24ST
1972 Moto Guzzi Eldorado
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01-15-2021, 12:18 PM
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#20
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Senior Member
Brand: Thor Motor Coach
Model: Hurricane 31D
State: Virginia
Posts: 137
THOR #5638
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Quote:
Originally Posted by Hooligan2
Caution-- Racer if you are not sure how to connect a charger, get someone to help. A wrong connection could make this much worse.....
A 4 battery setup is usually 6 volt batteries.
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I would have to agree with Hooigan. Based on the questions asked and the follow up posts by the OP I think this problem is a bit beyond their abilities to correct and they should seek out additional assistance. Mistakes at this point can be physically and financially painful.
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2006 Hurricane 31D built on a 2006 Ford F53
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