Sunsaver 10 error code - Fiberglass RV

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Old 02-21-2020, 04:54 PM   #1
Name: Jeff
Trailer: Boler
Posts: 49
Sunsaver 10 error code

So my Sunsaver 10l Solar Controller is giving me an error code. Iíve had my Lifeline AGM battery plugged into a smart charger all winter like I always do. This is the first time Iíve had error codes with this in the 8 years Iíve had it. Itís sequencing between red & green then yellow. According to the manual it means 3 things. Itís either ďexternal wiring error, load over current, or load short circuitĒ. But I donít know what that all means. What should I check first? Thanks in advance.

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Old 02-27-2020, 08:48 AM   #2
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Trailer: Trillium
Posts: 878
load over current might represent batteries that are too low, and trying to draw more than your controller can put out
load short circuit could mean a short in the wires going to the battery, or a battery that has failed
external wiring error-??? did you change anything when you set it up for the winter?

I would disconnect from everything and check battery voltage, if low manual charge, if ok, reconnect solar and see if error goes away check all wiring for loose,burnt connections

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Old 02-27-2020, 09:12 AM   #3
Name: Shawn
Trailer: Bigfoot
British Columbia
Posts: 32
We had the same problem on our Sunsaver controller a couple of summers ago. It was simply a loose connection on one of the fuses.
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Old 02-27-2020, 11:16 AM   #4
Name: Jeff
Trailer: Boler
Posts: 49
Thanks. I changed all the fuses, and didnít notice anything weird. But maybe I missed something. Iíll poke around again.
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