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Old 05-26-2015, 11:46 AM   #1
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House batteries?

I have a little problem.
I purchased a 2011 Winnebago Access last year and everything was fine up to now. It seems that I am getting no power from my house batteries but they test fine with a battery tester. All electrical systems work when I am plugged into AC but when I unplug, I can't even turn on a single house light. The house battery switch is on. Any thoughts?
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Old 05-26-2015, 11:53 AM   #2
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House batteries?

History - Was your Rv plugged in during winter storage? Condition of batteries when inspected - corrosion, still have water over plates? Age of batteries?
Batteries need to be tested to see if they will hold a charge.
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Old 05-26-2015, 12:04 PM   #3
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Have you checked circuit breakers?
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Old 05-26-2015, 02:31 PM   #4
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Many RVs have a battery disconnect switch.. This may be set in STORE mode.. In my case the switch itself failed and thus the device that makes the connection did not.. IT was easy to fix.

On many RVs there is a circuit breaker (or fuse) sometimes the circuit breaker is manual reset. Instructions for my RV show such a breaker but builder did something different.
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Old 05-26-2015, 03:30 PM   #5
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Thanks for the rapid suggestions

The batteries are only one year old and look fine using a volt meter, even when applying a load.
The breakers and fuses in the main fuse box are good.

The disconnect switch is in the " on" position but maybe I have a bad switch like wa8yxm.
Can you tell me how you fixed it?
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Old 05-26-2015, 03:59 PM   #6
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Batteries can show voltage and 0 amps. Need to load test.
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Old 05-26-2015, 04:06 PM   #7
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Load test looked good and I was even able to jump the cab battery with the house batteries.
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Old 05-26-2015, 04:09 PM   #8
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Quote:
Originally Posted by Joe64 View Post
The batteries are only one year old and look fine using a volt meter, even when applying a load.
The breakers and fuses in the main fuse box are good.

The disconnect switch is in the " on" position but maybe I have a bad switch like wa8yxm.
Can you tell me how you fixed it?
Quote:
Originally Posted by jcebrow View Post
Batteries can show voltage and 0 amps. Need to load test.
He did say even under load.

When you flip the house battery disconnect switch, do you hear the solenoid?
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Old 05-26-2015, 04:21 PM   #9
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Yes, I believe I do hear the solenoid. Also, the green light on the switch lights when it is in the "on" position.
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Old 05-26-2015, 05:03 PM   #10
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Find the solenoid you hear. Check voltage on both big terminals.

Don't have it plugged in.

With it off you will have volts on one side, with it on, volts should be on both sides.

Most times they clunk on, but don't make the connection, when bad.
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Old 05-26-2015, 05:26 PM   #11
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Interesting. I will definitely try that............in the morning.
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Old 05-26-2015, 06:09 PM   #12
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You may also have negative ground to the chassis that is rusted, broken or corroded. Many RVs have 2-3 of them mounted to the frame rail. I have one near the battery compartment and another near the generator. In a different forum I belong to, at least for my model this has been an issue.
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Old 05-27-2015, 02:25 PM   #13
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Problem solved

While searching for the solenoid, I came across another set of breakers. One of which was flipped. Re-setting this breaker solved the problem.
I had no idea there was a second set of breakers accessable from a compartment outside of the RV. The owners manual makes no mention of this set of breakers.
Thank you all for your help. I learned a lot about my RV in the last 24 hours.

Joe
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Old 05-27-2015, 06:03 PM   #14
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Did you know you can download the entire set of wire diagrams - and others too?

I know of 4 panels so far on my rig - one is chassis fuses and then 3 CB panels. Plus I heard there are hidden ones, such as connected to my radio and I know there are two or three in the refrigerator circuit boar. Oh, and a fuse on my battery disconnect relay too.
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