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Author Topic: Zero SR/S Firmware Update Issue  (Read 944 times)

konacyclist

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Zero SR/S Firmware Update Issue
« on: March 13, 2021, 08:55:58 PM »

I did a firmware update yesterday to version 19. After the firmware update, I charged the bike to prepare for a ride. I noticed it was charging at a much lower than usual rate. I have a Premium model SR/S with the dual chargers. OK I thought, new battery management firmware was part of the upgrade so maybe it is conditioning the battery or something. I check on the bike later and it had stopped charging hours sooner than it had originally indicated it would take. The state of charge is 100% but the range is only 15 miles!

At this point, I should add that I had recently had a Power Tank installed by my dealer. There had been no issues with the bike following that installation other than I was underwhelmed by the negligible improvement in range, if indeed there was an improvement. I was somewhat concerned that the bike was not utilizing the added battery capacity but at least it was charging normally and I was getting around 90 miles highway range.

Any thoughts?

Lou Galiano
« Last Edit: March 14, 2021, 12:43:20 AM by konacyclist »
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2020 ZERO SR/S Premium
2022 BMW R1250RT

konacyclist

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Re: Zero SR/S Firmware Update Issue
« Reply #1 on: March 14, 2021, 12:41:29 AM »

Good news! I uncovered the bike this morning and prepared to try and correct the problem mentioned above. I turned the bike on and was pleasantly surprised to see 100% state of charge and 100 miles highway range, not the 15 mile range I was seeing yesterday. I don't know how the problem corrected itself, only that it did.

Lou Galiano
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2020 ZERO SR/S Premium
2022 BMW R1250RT

Crissa

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Re: Zero SR/S Firmware Update Issue
« Reply #2 on: March 14, 2021, 12:16:58 PM »

Range is based upon some historical data, so it can give weird answers at times.

Perhaps it had bad data from the update still in the variable.

-Crissa
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2014 Zero S ZF8.5

DonTom

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Re: Zero SR/S Firmware Update Issue
« Reply #3 on: March 15, 2021, 12:59:35 AM »

I did a firmware update yesterday to version 19. After the firmware update, I charged the bike to prepare for a ride. I noticed it was charging at a much lower than usual rate.
By any change did you START that charge near or above 80% SOC to compare?  If so, that is why the rate was limited to below 2KW charging.

-Don-  Reno, NV

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2017 Blk/Gold HD Road Glide Ultra
2017 Org Zero DS ZF 6.5/(now is 7.2)
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