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Old 10-14-2011, 08:14 PM   #1
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Low battery voltage warning message

On our 2011 Coachmen Sportscoach, the warning message shows up on the dash message center (low battery voltage). This message comes on only in the morning before we move from our campsite (for 2-3 minutes). It does not show up again for the rest of the day.

How can I have low battery voltage when the MH is plugged in to 50 amps as some as possible after driving 400 miles? Isn't there a charging system for all batteries on the MH.

We've had the problem checked out at the dealer. No low voltage problem was found and no explanation given for the message.

Anyone out there have an idea of what's going on? thanx
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Old 10-14-2011, 08:33 PM   #2
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Might just be like with a car before you start it and all the warning lights come on till it resets everything after you start it.
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Old 10-16-2011, 09:20 AM   #3
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It sounds as though your house system is not charging the coach batteries. I don't know of Coachman rigs do this or not - some coaches do not include this feature for some reason (Winnabago did not for many years and still does not in some models). Ask a Coachman dealer about yours.

If yours should be charging the chassis batteries, it may be that the relay that interconnects to the two systems may be failing.
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