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Old 01-31-2021, 03:01 PM   #1
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GT5 battery problems

Our new 2021 Georgetown GT5 chassis battery dies virtually overnight when parked, even when attached to shore power. House batteries stay OK and have to be used to start the unit. Dealer says it is a bad BCC. What is that, and what would cause the chassis battery to discharge so fast while the house batteries stay fine?
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Old 01-31-2021, 04:21 PM   #2
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I don't know the exact meaning of BCC but it stands for battery control unit. Mine is right next to the batteries. Less than 12" away. About 8" x 10" x 6" in size. It is what separates the house batteries from the chassis batteries. It controls what charges what, such as the converter and/or alternator, charging the house and chassis batteries.
First, check the voltage at both chassis and house batteries while on shore power and then disconnect and start the engine then check again. The converter or the alternator should show 13.6 volts or a little more.
Second, I would do a load test on the chassis battery. A bad battery could last only a few hours after charging. And sometimes not even hold a charge.
I can take a picture of my BCC if you like.
Once others read your post they will give you suggestions too.
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Old 01-31-2021, 05:01 PM   #3
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I’m attaching the cover plate of our BCC (Battery Control Center) on our Sunseeker. It’s found to the left of the entrance steps. On our Georgetown I believe it was under the entrance steps just above the battery tray.

Just enter BCC in the search box at the top right.
There’s quite the string of discussions usually in the Georgetown and FR3 forums.
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Old 01-31-2021, 06:11 PM   #4
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Your 2021 GT probably has one of the newer BCC's and I think it will be like this. Am not familiar with the differences between earlier and later versions. They both do the same thing but how accomplished is different. It typically is located close to the coach batteries.
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Old 01-31-2021, 07:49 PM   #5
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There was a run of bad BCC's (Battery Control Center) on 2021 units and there is a thread on that here. Forest River has worked with the vendor, Precision Circuits, to come out with fixed units. If yours is bad your dealer will need to order a replacement and install it for you.

Email Nick Hoover with Forest River at nhoover@forestriverinc.com and let him know what's happening. Be certain to include your VIN. Nick can tell you what needs done. People were experiencing random disconnects of the house batteries.

Also note that the Battery Disconnect switch must be set to "connected" for the house batteries and the chassis battery to charge from shore power. This is the spring-loaded rocker switch next to and behind the passenger seat. When connected to shore power, press the top of the switch. If you hear a "clunk" the house batteries were disconnected and will not charge from shore power.

Unless the yellow light on that switch has been rewired on the 2021 units, ignore it. It does not tell you whether the house batteries are connected or not.

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Old 02-02-2021, 03:24 PM   #6
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Quote:
Originally Posted by DLongest View Post
Our new 2021 Georgetown GT5 chassis battery dies virtually overnight when parked, even when attached to shore power. House batteries stay OK and have to be used to start the unit. Dealer says it is a bad BCC. What is that, and what would cause the chassis battery to discharge so fast while the house batteries stay fine?

DLongest,

Thank you for being a part of the Georgetown family.

Please accept our sincerest apologies for any inconveniences that you have experienced with the battery in your new Georgetown 5 Series GT5. Your satisfaction is very important to us; accordingly, we invite you to contact Nicholas Hoover in our Customer service department through the following personalized and direct link: https://www.forestriverinc.com/Direc...78761955658487.

This direct link is provided for your convenience in order that we may resolve your concerns as quickly as possible. We will strive to respond to you within 24 hours of receiving your correspondence.

Respectfully,
Forest River
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