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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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03-26-2017, 09:54 AM | #1 |
Getting Wild
Join Date: Apr 2010
Location: Aiken South Carolina
Posts: 105
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Pre charge failure XCT500
Ok guys got the xct controller hooked up and turned the key on and I have 1green light and 6 blinking red lights. This is telling me I have a pre charge failure and im not sure what that is. I have a brand new battery pack and I have not got the chance to charge them yet and was wondering if this could be the problem. Also looking for a new 48 volt charger if someone has a good deal on one.
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03-26-2017, 10:40 AM | #2 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: Pre charge failure XCT500
Xct cannot use a precharge resistor on the solenoid. Try that first.
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03-26-2017, 12:09 PM | #3 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Pre charge failure XCT500
You're getting the error code before the solenoid clicks?
What is the voltage between the main + and - terminals on the battery pack? What is the voltage on the controller's B+ terminal? Until the solenoid clicks, the voltage on the XCT's B+ terminal will be slightly less than the battery pack voltage. I'm pretty sure the XCT pre-charges the filter capacitors via J1 Pin-5, which is wired to the battery side large terminal of the solenoid. I'm not sure what the trigger point is for the pre-charge error , but on my 42V system, B+ on the controller is about 0.5V less than the voltage on Pin-5. Like CG says, remove the pre-charge resistor on the solenoid if there is one. Note: There ought to be a diode between the larger solenoid terminals as well as a diode between the smaller terminals. |
03-26-2017, 02:10 PM | #4 |
Getting Wild
Join Date: Apr 2010
Location: Aiken South Carolina
Posts: 105
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Re: Pre charge failure XCT500
Hey Johnnie this is a brand new 400 amp solenoid and controller and the manual says it could be a stuck solenoid. It is brand new and just installed and since my battery pack has not been charged could this be the problem.
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05-22-2020, 11:56 AM | #5 |
Not Yet Wild
Join Date: Nov 2019
Posts: 8
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Re: Pre charge failure XCT500
Any update here? I am having the same issue...cart was working fine, then stopped..cannnot get past this error.
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05-22-2020, 01:18 PM | #6 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Pre charge failure XCT500
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