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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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Thread Tools | Display Modes |
03-31-2020, 07:49 PM | #1 |
48/400/Alltrax HS motor
Join Date: Jan 2007
Location: Liberty SC, Garden City SC
Posts: 6,190
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Customer cart
Customer cart is a TXT series. Put a SR 400amp 36 volt altrax controller in it back in August of last year. Cart has ran fine until this past weekend. I went over today and hooked the laptop up to it and got the 4 green lights and then solid green. Checked everything had no codes that I saw.
The cart want move at all. No statues light at all unless I hook the laptop to it. I checked voltage and the small activation wires on the solenoid are working but the controller isn't powering up nothing. The solenoid makes no sound at all when I turn the key on and press the gas pedal but the voltage passes through the 2 small terminals according to my voltmeter anyway. I didn't check the white & black though form the ITS to the controller.??? But shouldn't the statues light come on from the Key switch being on & pedal being pressed? I told them to bring it to the house and I would take a better look at it. Any thoughts on what to look for? |
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04-01-2020, 06:44 AM | #2 |
Gone Wild
Join Date: Dec 2009
Location: Aiken, SC
Posts: 13,141
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Re: Customer cart
If there is power on b+ and b- as well as the + and - of J1 I would think that the controller has issues.
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04-01-2020, 08:42 AM | #3 |
Gone Wild
Join Date: Nov 2011
Location: S.E. Mi.
Posts: 531
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Re: Customer cart
ITS micro switch? Molex connector between pedal box and controller? Pretty much check the activation circuit until you find out where you lose power.
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04-01-2020, 03:57 PM | #4 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Customer cart
Here's a schematic with the KSI voltage path highlighted.
No shown on it is the in-line connector at the end of the gray cable from the pedal box. There is a red wire from the solenoid coil to the controller's KSI (Red) jack that turns on the SR. |
04-01-2020, 06:05 PM | #5 |
48/400/Alltrax HS motor
Join Date: Jan 2007
Location: Liberty SC, Garden City SC
Posts: 6,190
|
Re: Customer cart
Ok they dropped the cart off today and here are some screen shots. If I hook the computer up it will flash 4 green over and over but never goes solid. If I disconnect the computer nothing. If I ground the solenoid to the battery pack it clicks with the gas pedal but nothing happens. I get 39+ on B+ .
Taking the black & white wires loose at the controller and I get all kinds of crazy voltage readings. |
04-01-2020, 06:38 PM | #6 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Customer cart
The SR is partially powered up by the +5V in the USB connection. Only the logic circuits are active, which includes Toolkit's monitoring screen.
When USB is connected, the LED repeatedly blinks which throttle type is selected - 4 flashes = EZGO ITS. The monitor screen shows the Keyswitch Input is ON, so the is pack voltage on the KSI jack. Also shows a battery voltage that is above the set points, so B- is connected and B+ is connected, which means the SR ought to be powering up when pedal is pushed. Contact Alltrax, they may have some more tests, but I suspect the SR is bad. Added: Doesn't need the ITS sensor to power up. |
04-01-2020, 09:36 PM | #7 | |
48/400/Alltrax HS motor
Join Date: Jan 2007
Location: Liberty SC, Garden City SC
Posts: 6,190
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Re: Customer cart
Quote:
I will be calling them in the morning. |
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04-02-2020, 09:07 PM | #8 |
48/400/Alltrax HS motor
Join Date: Jan 2007
Location: Liberty SC, Garden City SC
Posts: 6,190
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Re: Customer cart
I called and they are out of the office for 2 weeks!
I got e-mails from them though asking questions that I had already answered but...now I'm waiting on another e-mail reply. I'm pretty sure the controller has gone out. |
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