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Old 10-24-2015, 04:40 AM   #1
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my verter is bad

Took the new MH (Thor 22e) for first run and the battery will not charge when plugged into the land line.
which verter is bad?http://www.irv2.com/forums/images/smilies/banghead.gif
The con or the in?

thanks for your help


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Old 10-24-2015, 04:49 AM   #2
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Make sure it is plugged in and circuit breaker is turned on.

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Old 10-24-2015, 04:50 AM   #3
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House battery or chassis battery?
Could be a bad battery....... you probably have the converter which charges the house battery as well as providing DC voltage to run lights and appliances requiring DC voltage.
You can test the battery(s). Put them on a separate charge.
Also locate the converter and test it's Output.

Do you have lights inside? Maybe a breaker has kicked or unit is store mode.
Is anything else not working?
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Old 10-24-2015, 04:57 AM   #4
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Originally Posted by Spydergeo View Post
Took the new MH (Thor 22e) for first run and the battery will not charge when plugged into the land line.
which verter is bad?http://www.irv2.com/forums/images/smilies/banghead.gif
The con or the in?

thanks for your help

If you have a 12V cutoff switch, make sure it is not turned off. The battery will most likely not charge if the switch is off.
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Old 10-24-2015, 05:16 AM   #5
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the house lights work and the main switch was on.
the breaker was on. I cycled all of them to be sure.

everything seems to work but the coach battery goes dead after a while.

thanks for your help

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Old 10-24-2015, 09:34 AM   #6
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Does "coach battery" mean the one that starts the engine? It may well be that your converter/charger does not provide charging to the chassis (engine) battery. In many models of coach it does not. If you have something drawing extra power from the chassis battery, it can run down quite quickly. Otherwise it should past weeks on its on.

There are devices you can add that will provide chassis battery charging while on shore power. The least expensive is the Trik-L-Start and it works fine.
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Old 10-25-2015, 04:23 AM   #7
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We have 2 batteries, 1 for the engine which is fine and 1 that runs the coach.
We do have a disconnect switch which shuts off the coach from the engine.
The engine battery is fine and when the motor is running it appears to charge the coach battery.
When the RV is plugged into the land power I figure it should charge the coach battery, but this is where I have the problem.

Arrive at the camp ground and the battery indicator show the coach battery is fully charge.
Next morning it is dead.
Fuses and breaker all good.

Being a newbie I do not know all the terminology.
From the replies I believe the converter is bad so it is off to the repair facility we go.

Again thank you all.
I do hate this spell check on my Macbook, but that is another story.

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Old 10-25-2015, 04:46 AM   #8
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You do know that many units will power up the house off the converter but not charge the battery if the switch is in the wrong position, don't you?

The thing to do is plug in the unit and measure the battery voltage at the battery with a meter. Flip the storage switch and see if the battery voltage goes up. You want it to go up.
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Old 10-25-2015, 08:12 AM   #9
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If the engine battery is going down over night, there may be some things still powered up after you stop. With the engine battery fully charged, disconnect the negative terminal of the engine battery. If it is still going down over night, the battery is bad. If the battery is staying charged over night, there are probably some things left on.

If the battery is suspect, take it to a shop and have it load tested.

Always disconnect the negative side first, because if your wrench touches the chassis, it's already grounded and safe. The other side is the positive terminal, and it's hot to chassis ground. Touching there can cause a short circuit with serious arcing, discharging very high current through the tool to ground.

As a side note, be careful out there!


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