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07-26-2018, 05:28 PM | #1 |
Not Yet Wild
Join Date: Aug 2017
Location: Florence SC
Posts: 47
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SR48400 not getting to full duty
Hey Guys, Hope everybody is enjoying their summer. So I have been reading in the forums here making sure my cart is at its best.
TXT series SR48400 all the goodies from Scotty. Its only going 15 MPH. so I'm looking for more speed. On the controller,using a DVM i'm taking a reading across B- and M-. When I press the peddle and get the click it reads 37.7 V(Current charge) Peddle to the floor 19.9 V. So its not dropping down to 0 V. Will adjusting the ITS correct this? Or is controller programing? Thanks Bax |
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07-26-2018, 06:18 PM | #2 |
Gone Wild
Join Date: Apr 2017
Location: SE TN
Posts: 2,218
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Re: SR48400 not getting to full duty
You should be using the monitor program in the Alltrax software. There you can check your throttle input. Make sure it goes to 100%. If not clear the auto-cal and check again.
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07-26-2018, 08:54 PM | #3 |
Not Yet Wild
Join Date: Aug 2017
Location: Florence SC
Posts: 47
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Re: SR48400 not getting to full duty
Completely forgot about that!
Thanks Bax |
07-28-2018, 09:38 AM | #4 |
Not Yet Wild
Join Date: Aug 2017
Location: Florence SC
Posts: 47
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Re: SR48400 not getting to full duty
So I tried to reset the Auto Cal for the throttle I got an Error.
If you guys at these screen shots and tell me what you think I would appreciate it. The first one is a monitor. I had the cart on blocks so Its free wheeling. Thanks James |
07-28-2018, 10:38 AM | #5 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: SR48400 not getting to full duty
Was the F/R lever in Reverse when the monitor screenshot was captured?
If so, what you see is more or less what is expected. (IE: Motor voltage 1/2 of Battery voltage) If not, you reverse switch is staying on when it shouldn't be. |
07-28-2018, 11:39 AM | #6 |
Not Yet Wild
Join Date: Aug 2017
Location: Florence SC
Posts: 47
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Re: SR48400 not getting to full duty
Go eye JohnnieB! I backed it in the barn last time i used it. Here is one in forward.!
Two things I noticed: The throttle was at 12% before the tires started to spin. Battery pack voltage shows 35.6 but I measured with my DVM i get 37.3 Thanks James |
07-28-2018, 11:52 AM | #7 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,358
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Re: SR48400 not getting to full duty
Nothing wrong there.
Can you capture a monitor file while driving and share it with us here? Let us take a look at motor rpm and temp as well as throttle and battery performance. |
07-28-2018, 12:39 PM | #8 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: SR48400 not getting to full duty
Quote:
2. Battery pack voltage drops when amps are being drawn from it. If you connect your DVM between the controller's B- and B+ terminals while the motor is drawing amps from the battery, the battery voltage shown on the monitor and your DVM will read the same , or close to it. |
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07-28-2018, 01:26 PM | #9 |
Not Yet Wild
Join Date: Aug 2017
Location: Florence SC
Posts: 47
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Re: SR48400 not getting to full duty
Thanks Scotty and JohnnieB
Scooty I'm working on getting the driving monitor file. Charging the cart and laptop. Side note: I stopping smoking 9 months ago now i can smell the batteries off gasing. |
07-28-2018, 02:56 PM | #10 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,358
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Re: SR48400 not getting to full duty
Congrats on the no smoking. It's been 20 years for me and I still consider it an accomplishment.
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