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09-17-2024, 06:53 AM
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#1 |
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Gone Wild
 Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,333
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Got an overcharge notice and charge shutdown
Must be Friday the 13th almost every day here!!?
 I plugged in my cart to charge yesterday. I went out about 4 hours later and the screen shows an "Overcharge" and the charger shut down. When I looked at the screen the voltage stopped (see pic) at 53.8. The normal charge is 57.3V. Then looking at each cell V (second pic) nothing is overcharged or even close to the HV limit. This morning, I backed the cart outta my garage, reset the BMS, and plugged it in again. I'm a bit perplexed....but maybe the ZEVA is at the end of its useful life?   |
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09-17-2024, 07:00 AM
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#2 |
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WARRANTY VOID
Join Date: Aug 2021
Posts: 3,140
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Re: Got an overcharge notice and charge shutdown
Maybe a one off glitch. Seems fine now
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09-17-2024, 11:21 AM
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#3 |
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Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,333
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Re: Got an overcharge notice and charge shutdown
Yup. I plugged it back in and got a full charge with no errors. Beats me!!
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09-19-2024, 01:11 PM
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#4 |
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Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,333
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Re: Got an overcharge notice and charge shutdown
Walked by my cart today and caught the BMS in the act of telling me a lie!! I charged it on the 17th, today is the 19th, I drove it a little....then I get this HV warning.
If you look behind the Warning, it appears to show voltage of 69.3. The actual voltage is 56.3 and when I tapped on the warning screen, the voltage showed the correct number. I have no clue why this occurred.   |
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09-20-2024, 07:31 AM
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#5 |
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Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,333
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Re: Got an overcharge notice and charge shutdown
Is it possible that the ZEVA is at the start of its failure? Should I be looking to replace my BMS?
If so, what brand\model would be one to use? |
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09-20-2024, 08:19 AM
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#6 |
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Getting Wild
Join Date: Mar 2024
Location: ontario/florida
Posts: 116
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Re: Got an overcharge notice and charge shutdown
Dirty/poor connection on the BMS sense leads?
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09-20-2024, 03:58 PM
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#7 | |
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Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,333
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Re: Got an overcharge notice and charge shutdown
Quote:
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