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Thread: Solar not working
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01-04-2021, 03:51 PM #1
Solar not working
The solar is not working on my 398M
There is no voltage present on the line from the solar panel to the controller. Is there a inline fuse somwhere?2021 398M Full Body Paint 8k axles. LRH tires. Disc brakes.
Two bathrooms, no waiting 155 fresh, 104 black, 104 grey 1860 watts solar.
800AH BattleBorn Batteries No campgrounds 100% boondocking
2020 Silverado High Country 3500 dually crewcab Duramax Allison
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01-04-2021, 06:42 PM #2
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01-04-2021, 08:12 PM #32021 398M Full Body Paint 8k axles. LRH tires. Disc brakes.
Two bathrooms, no waiting 155 fresh, 104 black, 104 grey 1860 watts solar.
800AH BattleBorn Batteries No campgrounds 100% boondocking
2020 Silverado High Country 3500 dually crewcab Duramax Allison
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01-04-2021, 08:27 PM #4
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Contact customer service and ask for copies of all the paperwork you should have received. As for the fuse, I spent hours trying to find a fuse for the solar port. Finally found the fuse was never installed.
2020 F-250 XLT SuperCrew 7.3L Blue Ox SwayPro, 2020 Imagine 2600RB,
1600W Solar w/525AH LiFePO4, Victron 3000W, Road Armor w/wet bolt suspension, VisionWork Camera System, Peplink MAX BR1 Pro 5G Mobile Router,MicroAir EasyStart
Amateur Radio Call N9XGZ FMCA#489460 Escapees SKP#166379
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01-04-2021, 10:35 PM #5
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David and Peggy
2019 Ford F350 Lariat, 6.7L Diesel, Dually, Long Bed
Running with 20k Reese Goosebox (Love It) and Ford Factory "Puck" system.
Stopping with 8,000 lb Disc Brakes and Titan Hydraulic over Electric Brakes system.
Powering all this fun with 1200 Watts of Solar, two Tesla, Model S, battery modules, 24 volt Victron Inverter.
2018 Solitude 310 GK
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01-05-2021, 01:29 AM #62021 398M Full Body Paint 8k axles. LRH tires. Disc brakes.
Two bathrooms, no waiting 155 fresh, 104 black, 104 grey 1860 watts solar.
800AH BattleBorn Batteries No campgrounds 100% boondocking
2020 Silverado High Country 3500 dually crewcab Duramax Allison
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01-05-2021, 09:03 AM #7
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- Mar 2018
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- Somerset, WI
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I installed inline fuses as in this pic -- between selected MC4 connectors. Maybe you didn't realize what you were looking at?
Also, how cold is it at the batteries and are they Lithium? If the temp is near freezing, a Lithium battery BMS will stop current flow to prevent battery damage -- and the controller will report 0 amps.
-SteveSteve and Renee
2018 Solitude 310GK, disc brakes, Morryde SRE4000/XFactor with heavy duty shackles
2012 Ram 3500 SRW 6.7 Diesel, air bags
18k B&W Companion, non-slider
640 watts solar, 400 amp-hour Lion Safari UT 1300 battery bank
Aims 1500 watt inverter/charger with ATS
Somerset, WI
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01-05-2021, 12:29 PM #8
I actually installed one of those on the panel I added. There is nothing on the factory panel.
LA battery, and it is not that cold in Phoenix.
I picked the coach up at the dealer last week, they had it for a month, The battery was dead, had to jump it. I should have checked the solar operation right then. But I didn't, and went right into the upgrade I had been waiting to do. At this point, I am hoping that someone knows where the factory fuse may be hiding. The only other possibility is that the MP4 2 into one connectors I used are defective. I neglected to check them for continuity... To get to them I gotta remove the large 300 watt panel as it is under that. Not a fun job.2021 398M Full Body Paint 8k axles. LRH tires. Disc brakes.
Two bathrooms, no waiting 155 fresh, 104 black, 104 grey 1860 watts solar.
800AH BattleBorn Batteries No campgrounds 100% boondocking
2020 Silverado High Country 3500 dually crewcab Duramax Allison
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01-05-2021, 12:42 PM #9
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I would start by back tracing the wires from the Solar Charge Controller to the Panels.
Do you have a combiner box on the roof? Maybe there is a loose connection on the roof? Next is check each string of panels. If you have power on the roof and no power at the Controller, the wire is bad in-between.David and Peggy
2019 Ford F350 Lariat, 6.7L Diesel, Dually, Long Bed
Running with 20k Reese Goosebox (Love It) and Ford Factory "Puck" system.
Stopping with 8,000 lb Disc Brakes and Titan Hydraulic over Electric Brakes system.
Powering all this fun with 1200 Watts of Solar, two Tesla, Model S, battery modules, 24 volt Victron Inverter.
2018 Solitude 310 GK
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01-05-2021, 05:30 PM #10
I found the problem.
On the roof where the factory solar panel plugs into the gland it uses MP4 connectors. When the factory assembled one of the connections, they installed female ends in both housings. Then they somehow forced them together. One of the female ends managed to slide into the other female end about 1/8" deep This distorted both parts and the connection failed. I haven't replaced the MP4 connector yet. Ran out of time so I will do it tomorrow. I doubt my dealer would have ever found it2021 398M Full Body Paint 8k axles. LRH tires. Disc brakes.
Two bathrooms, no waiting 155 fresh, 104 black, 104 grey 1860 watts solar.
800AH BattleBorn Batteries No campgrounds 100% boondocking
2020 Silverado High Country 3500 dually crewcab Duramax Allison
Re-pack bearings necessary?
Today, 09:29 PM in Axles, Brakes, and Suspension