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10-02-2019, 11:09 PM
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#1
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Established Member
Join Date: Apr 2019
Location: Ottawa
Posts: 13
M.O.C. #23793
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Inverter gfi keeps tripping
So my problem persists, with the inverter tripping the gfi plug that is built in the unit. 2020 3931fb fridge wont stay on when running solely on batteries. Could it be because voltage drops down to 12volts or less? Maybe 1 solar panel is not enough? Anybody has experience with these 2000 watt inverters?
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10-03-2019, 04:52 AM
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#2
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Montana Master
Join Date: Aug 2009
Location: Grand Rapids
Posts: 1,896
M.O.C. #9561
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you have 2 issues I assume? gfi is one issue? refrig is other? put both in separate threads if so...it will get more responses.
if it is new, get back to the dealer and have him deal with those issues.
for refrig, how long do you keep it on battery? you can't keep it going for a long periods.
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10-03-2019, 06:16 AM
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#3
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Montana Master
Join Date: Aug 2015
Location: Mena
Posts: 504
M.O.C. #17723
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Question: Does the inverter shut down OR does the gfi trip? The inverter should tell you...
If the battery voltage is low or dips, ( 12.0 volts is low) the inverter will shut down.
You may have weak batteries.
In my case, the dealer supplied Marine/RV batteries just didn't hold up.
Need batteries rated in Amp/Hours not Cranking amps, and several of those.
Is the Ice Maker turned OFF while running on batteries?
It uses a bunch of power and will greatly shorten battery run time.
I don't have any solar panels... but my research says that one panel is not enough to run the fridge.
I hope this helps,
__________________
Ron & Rhonda
2021 3230CK Montana Legacy w/ Super SolarFlex
(old rig) 2015 Montana 3611RL 8K I.S., Disk Brakes, Sailun Tires
2015 F350 XLT Crew Dually 20K B&W Companion
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10-03-2019, 06:20 AM
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#4
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Established Member
Join Date: Apr 2019
Location: Ottawa
Posts: 13
M.O.C. #23793
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To be honest, I thought because of the solar panels, I could leave for a few days? Yes under warranty but we are 6 hours away from dealer, and leaving in 3 weeks for Florida.
Will contact dealer to see if they can help.
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10-03-2019, 06:23 AM
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#5
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Established Member
Join Date: Apr 2019
Location: Ottawa
Posts: 13
M.O.C. #23793
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Yes ice maker is off, batteries are 2-6 volts deep cycle batteries. I might have to get an extra panel.
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10-03-2019, 06:23 AM
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#6
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Established Member
Join Date: Apr 2019
Location: Ottawa
Posts: 13
M.O.C. #23793
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Sbourgon
Join Date: Apr 2019
Location: Ottawa
Posts:*7
To be honest, I thought because of the solar panels, I could leave for a few days? Yes under warranty but we are 6 hours away from dealer, and leaving in 3 weeks for Florida.*
Will contact dealer to see if they can help.
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10-03-2019, 07:20 AM
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#7
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,654
M.O.C. #24086
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Good thread on solar.
2019 montana solar package operation
http://www.montanaowners.com/forums/...ne+consumption
Useful links
Lithium batteries presentation at Escapees Convention.
https://youtu.be/PZ7HMRReZKY
Really interesting and not overly technical.
When you do the math, over the lifetime of the battery, it's a no brainer.
My next battery will be lithium Battleborn.
Sizing RV solar system. Panels, batteries, inverter.
__________________
Daryl and Marianne,
2019 3130re 20th Anniversary Edition
2016 F350 Lariat
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10-03-2019, 07:27 AM
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#8
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Established Member
Join Date: Apr 2019
Location: Ottawa
Posts: 13
M.O.C. #23793
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Thanks for the Info, can I add those batteries to the batteries I have now?
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10-03-2019, 07:48 AM
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#9
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Montana Master
Join Date: Aug 2015
Location: Mena
Posts: 504
M.O.C. #17723
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Good start on the batteries.
I went with 4 - 6 volt GC batteries and estimate I should get ~20 hours of power for my Res Fridg. and minimum other 12 V. items with a full charge.
You will want to match your power usage to your battery bank and solar power.
So, do your research!
__________________
Ron & Rhonda
2021 3230CK Montana Legacy w/ Super SolarFlex
(old rig) 2015 Montana 3611RL 8K I.S., Disk Brakes, Sailun Tires
2015 F350 XLT Crew Dually 20K B&W Companion
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10-03-2019, 09:03 AM
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#10
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Montana Fan
Join Date: Aug 2018
Location: Minden - NV
Posts: 499
M.O.C. #22360
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If the GFI on the inverter is a continuous problem, you can replace it a standard outlet. Refers aren't supposed to be on GFI protected outlets. Removing the GFI off the inverter doesn't effect the GFIs already in place in the trailer.
__________________
2013 F350 Lariat Ultimate CC LB
2019 3790RD
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10-03-2019, 09:35 AM
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#11
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,654
M.O.C. #24086
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Sorry I'm still learning about all this. I do not think you can mix lithium and lead acid batteries on the same charger. Different charge rates and capacities.
Verify that.
__________________
Daryl and Marianne,
2019 3130re 20th Anniversary Edition
2016 F350 Lariat
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10-03-2019, 09:59 AM
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#12
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Montana Master
Join Date: Sep 2013
Location: Pensacola (mail forward service)
Posts: 3,198
M.O.C. #13740
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Absolutely can not mix lithium and other battery types. Look at the fridge specs for max wattage of 120vac drain. This same wattage drain plus approx 10% will be drawn off of the 12vdc source except the current drain will be about ten times the ac draw. Gfi tripping on the inverter...not a big fan of gfi outlets on inverters. Okay for a lot of equipment, but not that great for fridges. A lot of inverters are made in China with Chinese parts...someday they will produce quality parts, but not today.
__________________
2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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10-03-2019, 11:35 AM
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#13
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Site Team
Join Date: Sep 2017
Location: Oro Valley
Posts: 3,899
M.O.C. #20477
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Sbourgon,
Your issues are still not clear. Is your fridge shutting down because the GFI is tripping or because the inverter is shutting down due to low DC voltage?
The inverter should continue to run at 12v, 2 golf cart batteries with 120 watts of solar (assuming it is working and getting decent sun) should have no trouble for 3 days unless you are running other high draw gear.
What other things either 12v or 120v are you running off your battery bank?
__________________
Zack and Donna plus Millie and Ranger
2018 3160RL
"Life is too short to stay indoors, enjoy the ride!"
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10-03-2019, 11:38 AM
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#14
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Montana Fan
Join Date: Aug 2018
Location: Minden - NV
Posts: 499
M.O.C. #22360
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Quote:
Originally Posted by AZ Traveler
The inverter should continue to run at 12v, 2 golf cart batteries with 120 watts of solar (assuming it is working and getting decent sun) should have no trouble for 3 days unless you are running other high draw gear.
What other things either 12v or 120v are you running off your battery bank?
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I disagree with this. 120W of solar won't maintain a fridge on two batteries especially with the other 12V loads in the trailer. I think the res. fridge are 350-400W without the ice maker running.
__________________
2013 F350 Lariat Ultimate CC LB
2019 3790RD
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10-03-2019, 11:45 AM
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#15
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Site Team
Join Date: Sep 2017
Location: Oro Valley
Posts: 3,899
M.O.C. #20477
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It really depends on what you set as the shutoff voltage for your inverter. You are down to likely 50-60 percent on the battery bank at 12v but it should still provide power for a short period.
We are all working with pretty limited info from the OP here.
__________________
Zack and Donna plus Millie and Ranger
2018 3160RL
"Life is too short to stay indoors, enjoy the ride!"
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10-03-2019, 12:35 PM
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#16
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Montana Master
Join Date: Aug 2009
Location: Grand Rapids
Posts: 1,896
M.O.C. #9561
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you can't keep your refrig contacted for long periods on battery only and expect to have your batteries to handle it.
DO YOU HAVE 2 SEPARATE ISSUES? is your gfi a separate issue? i can't imagine that your refrig is on a gfi. as i said earlier, you probably need to do two separate threads.
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10-10-2019, 04:28 AM
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#17
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Established Member
Join Date: May 2018
Location: Auburndale
Posts: 28
M.O.C. #21715
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My 2018 did the same thing
When my 2018 3721RL was brand new it did the same thing. The Inverter was faulty and was replaced under warranty. 8,000 miles later - no further issues with it.
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10-15-2019, 07:19 AM
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#18
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Montana Master
Join Date: Jan 2018
Location: Northville, NY
Posts: 807
M.O.C. #21158
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I had trouble with GFI tripping when traveling. Had the dealer check the inverter and he said my problem is having only one battery. On our current trip I have discovered that when I unhook shore power and it transfers to inverter the GFI trips. I now turn off the inverter when on shore power and after disconnecting I turn on inverter and everything works as it should. I also keep a remote thermometer in the fridge so I can monitor it while on the road. I don't have any solar so can't speak to that.
__________________
Jim B
2017 Lariat F-350 FX4, CC, SB, 6.7 PSD 4WD
2018 MONTY 3731FL, at our private winter site in GA
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10-15-2019, 10:50 AM
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#19
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Montana Master
Join Date: Oct 2017
Location: Bastrop
Posts: 2,892
M.O.C. #20753
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Issue could be transfer switch, or inverter itself
__________________
Mocha, one-eyed toothless, hurricane survivor, Pirate dog
2019 20th Anniversary Edition 3701LK
B&W 20K for Ford OEM Puck
2018 Ford F-350 Lariat CCLB PSD DRW KJ5CQH
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