98 DS Running Problem

pe_kay@ · 12-21-2019, 02:38 PM

Hi to all, I am new to this forum and am hopping for some answers.

Serial No. A9824-666492

Issue I am having....
When I try drive the cart, the cart moves slowly and the it’s as if the controller quits. I loose all power until I lift my foot and try again with the same results.

I have 49.5v across batteries, inputs and outputs seem to be in order. Applying 24v to motor disconnected runs motor fine. Connections are good and clean.
When I check voltage across terminals A1 and A2 on the motor I only see up to under 10v before it quits, when I disconnect A1 and A2 and check voltage on the wires I can get up to 48v. Obviously this is an unloaded test.

My thoughts are leading to the controller but just wanted to make sure.
Any help would be greatly appreciated.

Mooncarter · 12-21-2019, 02:49 PM

Is the solenoid clicking (engaging)?

pe_kay@ · 12-21-2019, 05:25 PM

Sure is.

Mooncarter · 12-21-2019, 06:08 PM

What throttle system do you have? Did this just happen, or did you buy the cart not running?

pe_kay@ · 12-22-2019, 02:41 AM

It has the multi step potentiometer. Possibly called v-glide? (Wiper switch)
I back probed the yellow wire after the throttle. Had 3.75v which slowely went down to 0v as I slowly depressed the throttle until wide open. All inputs were correct.

Cart sat for a while then went to use it and had this problem.

pe_kay@ · 12-24-2019, 04:10 AM

Anyone got any ideas?

fsu1tm · 12-24-2019, 07:25 AM

Just wondering if you've checked your batteries? Both sitting and under load? 49.5V is 70% SOC but you could have a bad battery that is dropping out when under load. If a battery drops out and the pack voltage goes to0 low as a result, your controller may not have enough power, which could be causing your problem. Check out this post:

http://www.buggiesgonewild.com/elect...batteries.html

12-21-2019, 02:38 PM	#1
pe_kay@ Not Yet Wild Join Date: Dec 2019 Posts: 4	98 DS Running Problem Hi to all, I am new to this forum and am hopping for some answers. Serial No. A9824-666492 Issue I am having.... When I try drive the cart, the cart moves slowly and the it’s as if the controller quits. I loose all power until I lift my foot and try again with the same results. I have 49.5v across batteries, inputs and outputs seem to be in order. Applying 24v to motor disconnected runs motor fine. Connections are good and clean. When I check voltage across terminals A1 and A2 on the motor I only see up to under 10v before it quits, when I disconnect A1 and A2 and check voltage on the wires I can get up to 48v. Obviously this is an unloaded test. My thoughts are leading to the controller but just wanted to make sure. Any help would be greatly appreciated.
pe_kay@ Not Yet Wild Join Date: Dec 2019 Posts: 4

12-21-2019, 02:49 PM	#2
Mooncarter Gone Insane Join Date: Oct 2016 Location: Richmond, VA Posts: 14,214	Re: 98 DS Running Problem Is the solenoid clicking (engaging)?

12-21-2019, 05:25 PM	#3
pe_kay@ Not Yet Wild Join Date: Dec 2019 Posts: 4	Re: 98 DS Running Problem Sure is.
pe_kay@ Not Yet Wild Join Date: Dec 2019 Posts: 4

12-21-2019, 06:08 PM	#4
Mooncarter Gone Insane Join Date: Oct 2016 Location: Richmond, VA Posts: 14,214	Re: 98 DS Running Problem What throttle system do you have? Did this just happen, or did you buy the cart not running?

12-22-2019, 02:41 AM	#5
pe_kay@ Not Yet Wild Join Date: Dec 2019 Posts: 4	Re: 98 DS Running Problem It has the multi step potentiometer. Possibly called v-glide? (Wiper switch) I back probed the yellow wire after the throttle. Had 3.75v which slowely went down to 0v as I slowly depressed the throttle until wide open. All inputs were correct. Cart sat for a while then went to use it and had this problem.
pe_kay@ Not Yet Wild Join Date: Dec 2019 Posts: 4

Today
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12-24-2019, 04:10 AM	#6
pe_kay@ Not Yet Wild Join Date: Dec 2019 Posts: 4	Re: 98 DS Running Problem Anyone got any ideas?
pe_kay@ Not Yet Wild Join Date: Dec 2019 Posts: 4

12-24-2019, 07:25 AM	#7
fsu1tm Gone Wild Join Date: Jan 2015 Location: Seminole Country Posts: 836	Re: 98 DS Running Problem Just wondering if you've checked your batteries? Both sitting and under load? 49.5V is 70% SOC but you could have a bad battery that is dropping out when under load. If a battery drops out and the pack voltage goes to0 low as a result, your controller may not have enough power, which could be causing your problem. Check out this post: http://www.buggiesgonewild.com/elect...batteries.html

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