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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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03-09-2014, 06:16 PM | #1 |
Gone Wild
Join Date: Jan 2012
Location: Conway,Arkansas 72032
Posts: 775
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low voltage
Guys I have a 1996 dcs that will not run. With all the standard test the only thing not right is the blue wire to the solenoid. It only has 25.9 volts. all other check show 36 volts. Charts tell the to check components (wiring) not sure what to look for, other than harness wiring. Suggestion?
Thanks Sonny |
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03-10-2014, 08:57 AM | #2 |
Gone Wild
Join Date: Jan 2014
Location: South Georgia
Posts: 1,120
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Re: low voltage
Does the solenoid click when you try to go?
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03-10-2014, 09:20 AM | #3 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: low voltage
Quote:
B+ gets to one of the solenoid's coil terminals via the Reed switch, Run/Tow switch, F/R switch and Key switch, so you should get full pack voltage on the terminal with the White/yellow and red wires attached when all those switches are closed. If you do, you will read B+ on the other small terminal (Blue wire) with the throttle pedal up. When you push the throttle pedal down far enough to close the pedal switch, the voltage on the terminal with the blue wire on it should drop to near Zero and the solenoid should click. If it is only dropping to 29.5 volts while the pack voltage is 36V, either the blue wire is bad, the controller is bad, or the B- cable from the B- terminal on the controller to the main negative terminal on the battery pack is bad. |
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03-10-2014, 08:15 PM | #4 | |
Gone Wild
Join Date: Jan 2012
Location: Conway,Arkansas 72032
Posts: 775
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Re: low voltage
Quote:
So I think I'll try a new alltrex controller. I'll let everyone know how it goes. Thanks all |
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03-11-2014, 05:16 AM | #5 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: low voltage
Quote:
Alltrax designed the DCX line of controllers to replace DCS controllers, so it is Plug-n-Play. Be sure to tell the vendor it is for a DCS so it comes with the correct Field Map (# 3 for a DCS motor) Also be sure to upgrade the solenoid too. |
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03-11-2014, 07:19 PM | #6 |
Gone Wild
Join Date: Jan 2012
Location: Conway,Arkansas 72032
Posts: 775
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Re: low voltage
JohnnieB
Thanks for the head up. I maybe getting in over this old head, but I have a few controllers off of some fairplay carts that was given to me. So I'm going to try to use them. I'm in the process of reprogramming them,( lets say trying) I rechecked all the wires and they are the same. I did hold the pedal down after the motor began to shake and low and behold it ran or tried to. Then shut down. One thing I can't understand. I never hear the solenoid click, But when I remove the wires and ohm it, check open. Any suggestions? Can a controller do crazy thing? other than just being bad. Thanks for the great advice Sonny |
03-12-2014, 06:10 AM | #7 |
Gone Wild
Join Date: Jan 2014
Location: South Georgia
Posts: 1,120
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Re: low voltage
Sounds like the solenoid coil is open and the motor is trying to run off the charge stored in the controller through the 475 ohm 10 watt pre charge resistor connected across the solenoid contacts. In this case the resistor will get real hot if you hold the pedal down.
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03-12-2014, 08:33 PM | #8 |
Gone Wild
Join Date: Jan 2012
Location: Conway,Arkansas 72032
Posts: 775
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Re: low voltage
Thanks Radio man I'll look into changing out the solenoid and see if that help before I do anything else. Just about out options. Other than controller.
Sonny |
03-12-2014, 08:46 PM | #9 |
Gone Wild
Join Date: Jan 2012
Location: Conway,Arkansas 72032
Posts: 775
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Re: low voltage
radio man after rereading your post. I'm checking the two big post and they are open not the field coils. I took a jumper wires(2) from pos.and neg off
the batteries and to the coil side of solenoid and it will not click as long as the 10 pin connector is plugged into the controller. When I remove the 10 pin connector, the solenoid works fine. This is just food for thought. Sonny |
03-12-2014, 11:42 PM | #10 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,406
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Re: low voltage
Try this, remove the blue (or black) wire(s) from the - negative side of the small posts and bring 36v - from the battery pack to the - side of the activation circuit (small posts). the cart may run like this? If it does run normally you can leave it on and run it.
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