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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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04-02-2015, 07:05 AM | #1 |
Not Yet Wild
Join Date: Apr 2014
Location: North Carolina
Posts: 6
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EZGO Running Slow with new batteries
Need a little help. I have a 05 ezgo pds that I just put new Trojan batteries in. Battery's read 38.3 volts when fully charged.
The cart moves really slow going forward, if I put it in reverse and then go forward again it will run fast again, until I stop, then it creeps again. It doesn't "fix itself" everytime I put it in reverse, just about every other time. Whats wrong with this thing? lol |
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04-02-2015, 08:28 AM | #2 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: EZGO Running Slow with new batteries
Put controller in diagnostic mode and listen for error codes.
Text at bottom of attach label tells you how to put into diagnostic mode. |
04-02-2015, 08:34 AM | #3 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,356
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Re: EZGO Running Slow with new batteries
Generally speaking it could be the solenoid is welded shut or the speed magnet has failed.
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04-02-2015, 10:20 AM | #4 |
Not Yet Wild
Join Date: Apr 2014
Location: North Carolina
Posts: 6
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Re: EZGO Running Slow with new batteries
I put it in diagnostic mode yesterday, I got the one beep and then nothing else. When I tried to drive it again then it started beeping. Is that how its suppose to work? I waited about 5 minutes and it never beeped so I tried to drive it then it started to beep. It was 3 then 2 beeps.
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04-02-2015, 10:23 AM | #5 |
......................
Join Date: Apr 2009
Location: FT Lauderdale FL.
Posts: 16,416
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Re: EZGO Running Slow with new batteries
Welcome to BGW
3 - 2 is a fault code for solenoid welded |
04-02-2015, 10:27 AM | #6 |
Not Yet Wild
Join Date: Apr 2014
Location: North Carolina
Posts: 6
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Re: EZGO Running Slow with new batteries
So the solenoid may be bad, would that be the case if it runs up to speed if I backup first?
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04-02-2015, 10:36 AM | #7 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,356
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Re: EZGO Running Slow with new batteries
The control is sensing the solenoid welded closed. It is going into limp mode for safety. Replace solenoid with a HD 200a model. Check out our sale.
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04-02-2015, 12:30 PM | #8 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: EZGO Running Slow with new batteries
!!!!!! Be sure to place Run/Tow switch to Tow before Disconnecting or reconnecting anything electrical !!!!!!
Disconnect J1, spray the contacts in both Plug & Jack with contact cleaner and repeatedly insert Plug back into Jack while contacts are still damp. Repeat for J3 and J4. If that doesn't do the trick, jack rear wheels off ground and put rear of half ton cart on jack-stands so it doesn't run over somebody or something while troubleshooting. Using a DVM (Digital Volt Meter), measure and record battery pack voltage at least to the nearest 1/10 volt. (IE: Fully charged 36V battery pack will be 38.2V or slightly above.) Leave DVM negative test lead attached to battery pack's main negative terminal. With Run/Tow = Run, Keyswitch = ON, F/R = F and Pedal depressed until solenoid clicks, measure voltage at: (While Plugs are inserted into Jacks) J1 Pins 1, 3, 4, 5, 6, 8 & 9 J3 Pins 1, 2, 3 & 4 J4 Pins 1 & 2 Every one of the 13 test points listed should have FULL battery pack voltage. If any are less than full battery pack voltage, fix the switch and/or wires attached to that switch. (Pin numbers and switches shown on attached schematic) If the voltage is good at all those test points, and you are still getting reduced performance and the 3-2 beep code, the controller is probably bad. ------------ FWIW: The 3-2 error code is generated when the voltage on the controller's B+ terminal does not fall below the voltage at J1 Pin-5 when the solenoid's coil is not being energized by the controller. Three things can cause that set of circumstances: 1. The voltage at J1 Pin-5 is less than FULL pack voltage. (Note: "Check auxiliary power", is the first "Correction Required" action listed for a 3-2 beep code) 2. Solenoid contacts welded closed. (Replacing solenoid is the second corrective action listed on PDS label) 3. Voltage comparator in controller is bad. (If any part of controller is bad, the whole thing has to be replaced.) |
04-02-2015, 12:47 PM | #9 |
Not Yet Wild
Join Date: Apr 2014
Location: North Carolina
Posts: 6
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Re: EZGO Running Slow with new batteries
Thanks guys, I've ordered the solenoid and i'll try to clean the contacts while i'm waiting on it to get here.
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03-05-2021, 08:00 PM | #10 |
Not Yet Wild
Join Date: Mar 2021
Posts: 7
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Re: EZGO Running Slow with new batteries
Mine is doing the same thing. Did the solinoid fix it?
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