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Old 01-30-2019, 09:31 AM   #1
Dixie Chopper
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Default PDS with Alltrax only reverse

My 2009 PDS with Alltrax 400 will only go in reverse no matter what position the rocker switch is in. Voltage was a little low at 49.9. It’s charging now. Where should I start with troubleshooting? Controller blinks 4 greens when key turned on then stays on like normal. Thanks.
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Old 01-30-2019, 09:38 AM   #2
scottyb
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Default Re: PDS with Alltrax only reverse

If it goes in reverse when in forward or reverse the controller may have failed.
Call Alltrax tech support to verify and check warranty status. Pacific time 541-476-3565
What model Alltrax 400 are asking about?
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Old 01-30-2019, 09:56 AM   #3
Dixie Chopper
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Default Re: PDS with Alltrax only reverse

It’s a 48400 PDS I believe. I got it from you about 18 months ago. I’ll call them. Thanks.
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Old 01-30-2019, 11:18 AM   #4
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Default Re: PDS with Alltrax only reverse

If it is the XCT48400-PDS controller you partially identify in your signature block, I'd check for the voltages on J1-Pins 2 and 3 when in F and in R.

With F/R rocker switch in F, Pin-3 ought to have 48V and 0V on Pin-2.
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Old 01-30-2019, 11:49 AM   #5
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Default Re: PDS with Alltrax only reverse

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Originally Posted by JohnnieB View Post
If it is the XCT48400-PDS controller you partially identify in your signature block, I'd check for the voltages on J1-Pins 2 and 3 when in F and in R.

With F/R rocker switch in F, Pin-3 ought to have 48V and 0V on Pin-2.
Yes it is definitely the XCT48400 PDS. I spoke to Alltrax a few mins ago and he instructed me to check the orange wire on the 10-pin plug with the cart in forward. If it shows any voltage that indicates the F/R switch is bad. I’m assuming that’s the reverse wire and it shouldn’t have voltage with the cart in forward. It shows 41 volts. Looking at my Alltrax manual I can’t tell how the pins are numbered. Do you have a drawing with the pins numbered? Thanks JohnnieB
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Old 01-30-2019, 12:18 PM   #6
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Default Re: PDS with Alltrax only reverse

Attached is a picture of the J1 jack on a stock PDS controller, but the pin numbers and locations are the same on the XCT.

With the tab that locks the plug in place at the bottom, the row next to the tab is 6 thru 10. So Pin-2 (orange wire - reverse) is the second from left on top row.

BTW what I said in previous post was wrong and I corrected it.
Attached Images
File Type: jpg J1 shown with tab at bottom.jpg (385.0 KB, 0 views)
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Old 01-30-2019, 12:23 PM   #7
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Default Re: PDS with Alltrax only reverse

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BTW what I said in previous post was wrong and I corrected it.
Oops, it was correct.

I get mixed up about when voltage ought to be on Pins 2 & 3.
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Old 01-30-2019, 01:38 PM   #8
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Default Re: PDS with Alltrax only reverse

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Originally Posted by JohnnieB View Post
Oops, it was correct.

I get mixed up about when voltage ought to be on Pins 2 & 3.
No worries thanks for the help. You are correct .... pin 2 is the orange wire and it shows voltage with the cart in forward confirming that the switch is bad. Pin 2 should not have voltage with the cart in forward. I installed a cheap rocker from autozone just to try it and yes now it works. I have a replacement ordered. Thanks for the help guys.
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Old 01-30-2019, 02:15 PM   #9
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Default Re: PDS with Alltrax only reverse

Glad you fixed it. It would have been good to have had that bit of critical information in the 1st post.
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Old 01-30-2019, 02:42 PM   #10
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Default Re: PDS with Alltrax only reverse

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Originally Posted by scottyb View Post
Glad you fixed it. It would have been good to have had that bit of critical information in the 1st post.
What are you referring to Scotty?
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