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Unread 11-09-2017, 02:32 PM   #1
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Default checking 48v controller

Is there a method for checking a Curtis controller Model#1510A-5250. It appears that it has a short. I would like to verify before I purchase another unit.
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Unread 11-09-2017, 06:49 PM   #2
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Default Re: checking 48v controller

Check with David at Revolution Golf Cars, he may be able to help you out.
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Unread 11-09-2017, 09:08 PM   #3
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Default Re: checking 48v controller

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Originally Posted by 43pump View Post
Is there a method for checking a Curtis controller Model#1510A-5250. It appears that it has a short. I would like to verify before I purchase another unit.
What are your symptoms?
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Unread 11-13-2017, 11:39 AM   #4
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Default Re: checking 48v controller

the symtoms I am having are,49 volts to the on off key(whether key is on or off), solenoid pulled in and 49 volts, the controller has 49 volts to B- to B+;49 volts B- to M: zero volts from M to B+;also large electrical arc when reconnecting positive battery post with key off.
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Unread 11-13-2017, 05:54 PM   #5
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Default Re: checking 48v controller

Quote:
Originally Posted by 43pump View Post
the symtoms I am having are,49 volts to the on off key(whether key is on or off), solenoid pulled in and 49 volts, the controller has 49 volts to B- to B+;49 volts B- to M: zero volts from M to B+;also large electrical arc when reconnecting positive battery post with key off.
Un-Plug the Tow/Run Switch and see if the battery arcs when you hook it up. Also check the resistor on the solenoid and let me know if it's getting hot.
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Unread 11-14-2017, 02:40 PM   #6
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Default Re: checking 48v controller

I disconnected the tow/run switch and the arcing went away. But there is no resistor on solenoid. I still have 49 volts on both sides of solenoid posts with key off.
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Unread 11-14-2017, 09:52 PM   #7
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Default Re: checking 48v controller

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Originally Posted by 43pump View Post
I disconnected the tow/run switch and the arcing went away. But there is no resistor on solenoid. I still have 49 volts on both sides of solenoid posts with key off.
That's normal. Does it arc when the tow/run switch is connected, but in the TOW position? When in the TOW position you should not get an arc. There should be a resistor on your solenoid. The 1510 controller needs one. Otherwise, you're "shocking" the controller every time you engage the solenoid when you drive it. This can cause permanent damage to the controller and may have caused the issue you're experiencing.
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Unread 11-14-2017, 09:53 PM   #8
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Default Re: checking 48v controller

Call me tomorrow with your multimeter in hand and we'll troubleshoot it together. 706-836-7210.
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Unread 11-14-2017, 10:10 PM   #9
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Default Re: checking 48v controller

May be off topic but I had the same problem with an alltrax controller after I retwired my ezgo cart. And it was caused by the charging receptacle I just hooked up the negative wire from it to the nearest negative battery post When it should of been hooked up to the end of battery packs negative post So basically the controller wasn't turning on. Even though the controller still had 48v and the solenoid did too. On my setup there's a 3rd white wire from the charging receptacle that goes to the controller and harness and apparently it has something to do with turning the controller on. I thought maybe this info would help. even though it's on a different cart u might be overlooking something as small as that. . Hope u figure it out.
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