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Unread 07-10-2019, 08:13 PM   #11
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Default Re: Ezgo pds bottomed out and now won't go

It sounds like you found the way to do it, but here’s an old bgw that describes it too. How to test a 48 volt electric motor

Keep bumping this along for someone with a definitive answer, but I still think your solenoid activation circuit is separate and doesn’t have anything to do with the motor. Are you able to follow that diagram I posted?
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Unread 07-10-2019, 08:42 PM   #12
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Default Re: Ezgo pds bottomed out and now won't go

1. The attached PDF file is a pretty good checklist for a PDS motor and controller. It is for a stock PDS motor, but the Ohmic values for the PQ motor ought to be in the same ballpark.

2. Also attached is drawing of how to test a sepex motor.

3. Put controller in diagnostic mode and listen for beeped error codes. Text at bottom of attached label tells you how to put controller in diag mode.

---------------
The bad news is; if the motor is shorted out it probably took the controller along with it.

The good news is; an Alltrax XCT48400-PDS controller really perks up a PDS.
Attached Images
File Type: jpg Motor Test - Sepex.jpg (91.7 KB, 0 views)
File Type: jpg PDS Label on Controller Cover.JPG (142.9 KB, 0 views)
Attached Files
File Type: pdf EZ-GO PDS with 1206MX Control.pdf (1,002.2 KB, 0 views)
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Unread 07-10-2019, 08:50 PM   #13
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Default Re: Ezgo pds bottomed out and now won't go

There’s the guy you were looking for. Stick with johnnieb and you’ll soon have your answer.
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Unread 07-10-2019, 08:58 PM   #14
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Default Re: Ezgo pds bottomed out and now won't go

Quote:
Originally Posted by JohnnieB View Post
1. The attached PDF file is a pretty good checklist for a PDS motor and controller. It is for a stock PDS motor, but the Ohmic values for the PQ motor ought to be in the same ballpark.

2. Also attached is drawing of how to test a sepex motor.

3. Put controller in diagnostic mode and listen for beeped error codes. Text at bottom of attached label tells you how to put controller in diag mode.

---------------
The bad news is; if the motor is shorted out it probably took the controller along with it.

The good news is; an Alltrax XCT48400-PDS controller really perks up a PDS.
And has reverse polarity protection so this will never happen again and ~ has a 2 yr unlimited replacement warranty. Whoot woot
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Unread 07-11-2019, 03:37 AM   #15
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Default Re: Ezgo pds bottomed out and now won't go

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Originally Posted by Cobra,1 View Post
Did you have calves dissconnected from motor when checking?
Not doing so might give inaccurate readings.
No I didn't. I'll run another test with it disconnected.
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Unread 07-11-2019, 03:47 AM   #16
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Default Re: Ezgo pds bottomed out and now won't go

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Originally Posted by scottyb View Post
And has reverse polarity protection so this will never happen again and ~ has a 2 yr unlimited replacement warranty. Whoot woot
Thanks! I'm going to do these tests first thing in the am.
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Unread 07-11-2019, 03:57 AM   #17
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Default Re: Ezgo pds bottomed out and now won't go

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Originally Posted by orangeman6 View Post
Here you go.
This is a big help thanks!
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Unread 07-11-2019, 03:20 PM   #18
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Default Re: Ezgo pds bottomed out and now won't go

Quote:
Originally Posted by JohnnieB View Post
1. The attached PDF file is a pretty good checklist for a PDS motor and controller. It is for a stock PDS motor, but the Ohmic values for the PQ motor ought to be in the same ballpark.

2. Also attached is drawing of how to test a sepex motor.

3. Put controller in diagnostic mode and listen for beeped error codes. Text at bottom of attached label tells you how to put controller in diag mode.

---------------
The bad news is; if the motor is shorted out it probably took the controller along with it.

The good news is; an Alltrax XCT48400-PDS controller really perks up a PDS.
I tired to do the diagnostic on the controller but I'm no longer getting the reverse buzzer. Tried multiple times and the buzzer will not chime.
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Unread 07-11-2019, 03:27 PM   #19
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Default Re: Ezgo pds bottomed out and now won't go

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Originally Posted by Johnny2010 View Post
I tired to do the diagnostic on the controller but I'm no longer getting the reverse buzzer. Tried multiple times and the buzzer will not chime.
If you are getting opens where you should be getting low Ohms when you check your motor, and getting low Ohms where you should get opens, chances are high that the motor and controller have departed this earthly veil of tears.
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Unread 07-13-2019, 06:21 PM   #20
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Default Re: Ezgo pds bottomed out and now won't go

Quote:
Originally Posted by JohnnieB View Post
1. The attached PDF file is a pretty good checklist for a PDS motor and controller. It is for a stock PDS motor, but the Ohmic values for the PQ motor ought to be in the same ballpark.

2. Also attached is drawing of how to test a sepex motor.

3. Put controller in diagnostic mode and listen for beeped error codes. Text at bottom of attached label tells you how to put controller in diag mode.

---------------
The bad news is; if the motor is shorted out it probably took the controller along with it.

The good news is; an Alltrax XCT48400-PDS controller really perks up a PDS.
Ok so I got the switch to beep in reverse. I tried to put it in diagnostic mode but it only beeped when the key is in the on position which was 2 beeps total. I dont have a personality chip in it. So seems like a new controller and motor is due
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