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Old 11-29-2022, 09:00 PM   #1
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Batteries not charging

Environment:
2017 Cedar Creek Silverback, 38IK, with WFCO WF-9855 charger, 2 new 6v FLA Batteries, on shore power.
Problem:
The charger is working putting out over 13v however the batteries aren’t being charged. Putting on a portable solar panel brings the batteries up to 12.51 in a few hours.
Question:
Is there a fuse that would prohibit the batteries from charging, and if so, where is it?
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Old 11-29-2022, 09:54 PM   #2
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Where are you testing converter output voltage?
Many converters in Cedar Creeks have output/reverse polarity protection fuses but they are typically located near the output cable connections on the converter.Click image for larger version

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Old 11-29-2022, 11:32 PM   #3
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unplug solar and shore power
use multi meter to test if any 12v inside.... at the fuse panel

if no 12v...... check for a battery disconnect switch

If yes ....
check to see the output wires from back of converter AND where they attach to fuse panel are tight.

plug in shore power
measure the voltage at the converter output... red and black connection at rear of converter should be about 13.6v


If no voltage coming from converter output ... check breaker
and there is 2 or 3 fuses (like car fuses) on the back of the converter.
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Old 11-29-2022, 11:53 PM   #4
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I checked the voltage at the red/black outputs on the charger
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Old 11-30-2022, 12:08 AM   #5
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did you unplug solar ?
we don't want the solar interfering with the tests


what was your reading at back of the converter 13.6?
is the SAME 13.6 reading at the battery terminals.


IF NO ... look for a battery disconnect switch
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Old 12-03-2022, 05:21 PM   #6
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Sorry for the delay in responding, was under the weather. The good news is that all is well. For some reason the battery disconnect was set to off so the batteries weren’t getting charged. Rookie mistake even though I’ve been at it 20+ years. Thanks the replies.
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