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Old 07-27-2019, 04:16 PM   #1
Tmartin8
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Cool Alltrax SR48500 error battery over voltage

Newb here, building Ezgo need help PLEASE
Cart won’t go. Getting alltrax error code “battery over voltage” (1 green 3 red)
98 ezgo TXT Series 36V converting to 48V
Installed all new of the following:
Alltrax SR48500
D&D motor
HD Forward reverse switch
HD solenoid
LITHIUM battery pack (56volts)

TIA...
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Old 07-27-2019, 04:19 PM   #2
LukeL
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Default Re: Alltrax SR48500 error battery over voltage

That’s something you can turn off in the toolkit software. Have you plugged it into a laptop? I had the same problem with mine after a full charge.
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Old 07-27-2019, 04:32 PM   #3
PingEye3
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Default Re: Alltrax SR48500 error battery over voltage

Using laptop, raise max voltaqe to 62V. Standard for 48v systems. That one is probably programmed for a 36V system and the max voltage is set to low.
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Old 07-27-2019, 04:48 PM   #4
Tmartin8
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Default Re: Alltrax SR48500 error battery over voltage

I’ll try that and let you know THX!
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Old 07-27-2019, 05:04 PM   #5
scottyb
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Default Re: Alltrax SR48500 error battery over voltage

Can't turn it off I know of? 62v is max setting
Could be the pack is slightly exceeding this and you have to wait for the pack to settle - I have one pack that finishes at 65v and it will throw this fault code if I unplug and try to go at 65v. 1-2 minutes later we are good to go.
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Old 07-27-2019, 05:28 PM   #6
LukeL
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Default Re: Alltrax SR48500 error battery over voltage

Raise it- not turn it off. Wish you could turn it off. Mine also finishes around 64-64.
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Old 07-27-2019, 05:59 PM   #7
Tmartin8
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Default Re: Alltrax SR48500 error battery over voltage

Quote:
Originally Posted by PingEye3 View Post
Using laptop, raise max voltaqe to 62V. Standard for 48v systems. That one is probably programmed for a 36V system and the max voltage is set to low.
Thank you, that worked. What should KSI be set to? Throttle cuts out when gas pedal is all the he way down.
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Old 07-27-2019, 06:00 PM   #8
LukeL
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Default Re: Alltrax SR48500 error battery over voltage

That shouldn’t happen. Are you watching the throttle graph as you press it? Maybe you should clear auto cal. Sometime that helps.
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Old 07-27-2019, 06:22 PM   #9
Tmartin8
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Default Re: Alltrax SR48500 error battery over voltage

Quote:
Originally Posted by Tmartin8 View Post
Thank you, that worked. What should KSI be set to? Throttle cuts out when gas pedal is all the he way down.

High throttle was disabled. 24 mph top speed now.
Thanks a TON!
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