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Old 11-25-2021, 10:22 PM   #1
DaveMJ
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Default Lester Summit II - Max Amp Hours Fault

Does anyone know what would cause this error?

The manual does not offer any advise, all it says is: "MAX AMP-HOURS – Maximum amp-hours for the overall charge cycle was met".

1.jpg2.jpg3.jpgScreenshot_20211125-221924.jpg

Is it just saying that the charge cycle has ended because the applied Amp Hours exceeds the expected battery capacity, implying the batteries are near end of life.

Its a 95 48v Club Car DS with Duracell Batteries, profile appears to be correct for the batteries. Charger is connected directly to the pack, so I'm assuming OBC has been bypassed.
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Old 11-25-2021, 10:48 PM   #2
Fairtax4me
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Default Re: Lester Summit II - Max Amp Hours Fault

Is the charger mounted on-board? So wires run straight from the pack to the charger terminals?
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Old 11-26-2021, 05:54 AM   #3
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Default Re: Lester Summit II - Max Amp Hours Fault

Quote:
Originally Posted by Fairtax4me View Post
Is the charger mounted on-board? So wires run straight from the pack to the charger terminals?
Yes it is onboard connected directly to the pack.
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Old 11-26-2021, 08:50 AM   #4
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Default Re: Lester Summit II - Max Amp Hours Fault

I bet it's because it never gets disconnected from the pack between charge cycles. Try disconnecting it and reconnecting it before the next charge cycle and I bet it doesn't throw that fault.
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Old 11-26-2021, 09:29 AM   #5
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Default Re: Lester Summit II - Max Amp Hours Fault

Assuming that it’s set for on-board use in the app, it does not need to be disconnected.
I would think there is a connection issue, either a loose terminal or corrosion or one of the charger connections. Also check that all battery cable connections are clean and tight.
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Old 11-28-2021, 06:50 PM   #6
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Default Re: Lester Summit II - Max Amp Hours Fault

I disconnected from the pack, let sit for a few minutes, reconnected and it charged with no errors. I have no idea why.
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Old 11-28-2021, 06:58 PM   #7
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Default Re: Lester Summit II - Max Amp Hours Fault

It Must have got confused about something?
Sometimes electronics get goofy and just need a reset.
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