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Old 07-18-2013, 12:29 PM   #1
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Batteries not charging. Help.

I am by all accounts an amateur on our maiden voyage in our coach. The batteries
charge under engine power but under shore power I am not getting a charge. Any
suggestions what to look for?

It is a 2000 American Tradition 37TRS with heart interface link 1000.
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Old 07-18-2013, 12:31 PM   #2
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Find your charger/converter and see if it has power. Could be a breaker or fuse. Start there.
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Old 07-18-2013, 12:38 PM   #3
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Monitor shows AC in light on.
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Old 07-18-2013, 01:16 PM   #4
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You should have a DVM and actually measure the voltage to the converter. Some monitors only check a nearby AC line and don't go to the converter to check power. Check for breakers on the converter itself. They can have DC breakers or fuses. Then some rigs have large DC fuses in the battery compartment. A meter is the best piece of equipment to have.
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Old 07-18-2013, 01:20 PM   #5
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Quote:
Originally Posted by rECUpirate View Post
Monitor shows AC in light on.
I try not to rely on the panel as a source of truth.
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Old 07-18-2013, 02:33 PM   #6
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Yeah house batteries appear fine for now. Chasis batteries are a different story. They were dead (under 6 volts) after less than one day of sitting. Plus check engine light is now on. Anyone know where I locate the OBDII plug in?
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Old 07-18-2013, 02:58 PM   #7
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How old are the batteries? Are they up on water (distilled water) are the battery post clean if they need to be clean remove the - side (black) first then the + side (red) after they are clean do the + side then the - side.
Get something like this and plug into a power port, it will show the power of the battery all the time, works great.
Prime Products 12-2020 12 Volt Digital Meter : Amazon.com : Automotive
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Old 07-18-2013, 03:15 PM   #8
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Most chassis batteries charge from the alternator only. not shore power. Going dead after a day or two is not normal and indicates a problem with either the batteries or connections or worse case, charging system.
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Old 07-18-2013, 03:25 PM   #9
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Most chassis batteries aren't charged from the charger inverter unless a echo charge or similar has been added. Chassis batteries only charge from the alternator when the coach is running. Something is on and draining that battery .... Like the dash radio .. That would do it unless the radio is on a switch to run it off the house batteries ( many have a battery selector switch for the radio .. Some don't .
Look for a small box with wires going to both battery banks in the Battery bay for the echo charger or similar. If you don't have one it won't charge when plugged in.
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Old 07-18-2013, 10:12 PM   #10
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First of all you had soem excellent suggestions on what to check. Did you do that if so you might have unplugged something or blown a fuse from the alternator to the chasis battery. If the check engine light was not on before you did any troubleshooting and it is now then go back and check what you worked on before.

My inverter has a remote control panel one of the switches on that is charge. It lets you set up the voltage going to the coach batteries depending on the kind of batteries they are. Could that switch have been turned off the reason for your not charging. This would not affect the chassis batteries but might have been your original problem.
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Old 07-21-2013, 11:21 AM   #11
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It appears I have separate issues. One appears to be a fried circuit board in the inverter/charger. Anyone have suggestions for a reliable company in the Atlanta area to help repair/resolve this type of issue?
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Old 07-21-2013, 11:35 AM   #12
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Bestconverters.com for a replacement. Tell them what you have and they will send you a new and better replacement model.
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Old 07-21-2013, 12:24 PM   #13
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Quote:
Originally Posted by rECUpirate View Post
Yeah house batteries appear fine for now. Chasis batteries are a different story. They were dead (under 6 volts) after less than one day of sitting. Plus check engine light is now on. Anyone know where I locate the OBDII plug in?
Most,(all?), coaches charge both the chassis battery/batteries, and the house batteries, via the alternator when the engine is running.

However, as built, most charge ONLY the HOUSE batteries via shore power.

They DO NOT/WILL NOT charge the CHASSIS battery/batteries when plugged in.....unless a charging device is added....(Tik L Start, Echo Charger, BatterMINder, etc.).

Your OBDII port should/will be up under the dash, near your steering column.

Mel
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(with a solar charger added to the chassis batteries).
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Old 07-21-2013, 09:55 PM   #14
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How long should Chassis bat's last mine is a 2008?
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