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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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05-14-2021, 10:00 PM | #1 |
Not Yet Wild
Join Date: May 2021
Posts: 4
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LED charge light won't go out - won't move
We have 4 EZGO TXT 48v carts at our Little League Baseball park. One of them won't move.
I used this cart Wednesday evening and it worked flawlessly. I worked on this cart by using one of the other carts that work as a template to measure voltage and other things. I played around for about 2 hours today and could not figure out why power was not getting from the speed controller to the motor. I swapped out the speed controller and the cart that worked still worked: the cart that wouldn't move still wouldn't move. After about 2 hours I pushed it back in the shed and plugged it back in. All the batteries check out fine and are fully charged. When I pushed it in I plugged it in and at that point I noticed the LED light by the receptacle was on (did not notice it until it was back in the shade as it was bright and sunny outside). I unplugged the cart and the light remained on. I tried another charger and same outcome. I looked at the working one and the light was off. I plugged in the working one and the light came on. I tried to move it with the charger plugged in and it would not move with the charger connected. Therefore I deducted that there is some sort of safety device that won't allow it to move if it is plugged in. I tried the others on the charger where this cart sits and the charger is operating properly - except when it is plugged into this particular cart with the led light lit. The charger has the red light blinking (2 times) and the orange light next to it - no other lights are on although it does do a quick system check. Once again, I switched the chargers with all the other carts and all chargers work properly - except when plugged into the one that the led light won't turn off. By the process of elimination I believe the cause of the light to remain on is causing the cart not to move as the cart thinks it is still plugged in when it is unplugged. Am I on the right track or am I out in left field (so to speak)? If I am on the right track how to I turn the light off? Thanking all of you in advance for any suggestions you may have. |
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05-15-2021, 07:15 AM | #2 |
Gone Wild
Join Date: Dec 2009
Location: Aiken, SC
Posts: 13,128
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Re: LED charge light won't go out - won't move
Charger port has a logic board in it that has probably failed. You can try tapping it and see if it goes off. Blue wire that comes off the back of the port is the trigger wire for the lockout. If you put 48 volts on the harness side of the wire the cart should run.
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05-15-2021, 09:14 AM | #3 | |
Not Yet Wild
Join Date: May 2021
Posts: 4
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Re: LED charge light won't go out - won't move
Quote:
Could you elaborate a bit more on these statements? Appreciate it but let me take a stab. The blue wire is connected to the logic board and if the board fails the blue wire keeps the light on??? The second sentence I am at a loss completely. Unless what you are saying is to use a jumper wire to bypass the plug??? How would I go about testing the logic board? I really appreciate you helping me. Thank you. |
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05-15-2021, 01:08 PM | #4 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: LED charge light won't go out - won't move
The charge port has failed, it's not repairable, replace it, or bypass the blue wire. If the light is on, the charge port is telling the controller "a charger is plugged in, we cant drive until charger removed" via the blue wire. I have seen this failure several times over the years.
If you want to test the board in the charge port, just play "parts swapper" with a charge port from a different cart. |
05-15-2021, 07:14 PM | #5 | |
Not Yet Wild
Join Date: May 2021
Posts: 4
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Re: LED charge light won't go out - won't move
Quote:
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06-01-2021, 06:21 AM | #6 |
Not Yet Wild
Join Date: May 2021
Posts: 4
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Re: LED charge light won't go out - won't move
@cgtech, @kgsc
Thank you for the help. This was indeed the problem and the solution. Much appreciated. |
06-01-2021, 06:42 AM | #7 |
Gone Wild
Join Date: Dec 2009
Location: Aiken, SC
Posts: 13,128
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Re: LED charge light won't go out - won't move
Glad you got it worked out
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