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Unread 12-10-2012, 10:03 AM   #1
Not Yet Wild
 
Join Date: Jan 2009
Posts: 19
Default Reset without Run/Tow

Quote:
Resetting the Club Car On board computer - reset the OBC

To reset the OBC the following must be done in this
order:
If no Tow/Run Switch then skip that step

Key Switch to Off
Forward/Reverse to Neutral
Tow/Run Switch to Tow
Disconnect the Battery NEGATIVE () wire
from the Battery Minus terminal on the battery
pack.
Put the Tow/Run to Run
Forward/Reverse Switch to Reverse
Key Switch to On
Lock the throttle pedal down
The reverse buzzer will sound and go off in about 30
seconds. Leave the cart like that for 5 min to cause the
OBC to reset.
To reconnect the OBC back into the system:
Key Switch to Off
Forward/Reverse Switch to Neutral
Tow/Run switch to Tow
Reconnect the Batt wire to the battery minus
terminal on the battery pack.
I read the sticky and tried this even though my carts don't have a run/tow switch. Didn't work and I'm sure it could be that I have a few bad comps but wanted to see if you can do it without the runtow. Anybody know of a way to try to reset the OBC with a 2002 DS that doesn't have the run/tow?

Thanks
Waz
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Unread 12-10-2012, 01:47 PM   #2
Gone Wild
 
Join Date: Dec 2010
Posts: 458
Default Re: Reset without Run/Tow

What did not work ? The procedure is correct, how did you come to the conclusion that it did not reset. If the buzzer went off and finally died away the capacitor is discharged and the system has no power source, and the OBC will reset.
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Unread 12-10-2012, 02:01 PM   #3
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Join Date: Jan 2009
Posts: 19
Default Re: Reset without Run/Tow

Quote:
Originally Posted by Golfdog View Post
What did not work ? The procedure is correct, how did you come to the conclusion that it did not reset. If the buzzer went off and finally died away the capacitor is discharged and the system has no power source, and the OBC will reset.
The buzzer did go off and I think I did everything the way it was supposed to except for the tow switch.

The reason I tried was to see if I could get one of the carts to quit charging. The charger won't go off. I assumed that the OBC was bad.

After the procedure the charger still won't go off and I have several chargers so its not that I don't think.
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Unread 12-10-2012, 02:11 PM   #4
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Default Re: Reset without Run/Tow

Does the buzzer normally work when you reverse?
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Unread 12-10-2012, 02:36 PM   #5
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Default Re: Reset without Run/Tow

Yes. I've got several carts that I need to figure out on why they wont go off :(
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Unread 12-10-2012, 03:10 PM   #6
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Join Date: Dec 2010
Posts: 458
Default Re: Reset without Run/Tow

Quote:
Originally Posted by Wazzey View Post
Yes. I've got several carts that I need to figure out on why they wont go off :(
It sounds as though the capacitor is shot because if the batteries are connected and the reverse sounds but does not sound when you disconnect the batteries then the capacitor is not storing power. However if the capacitor is not storing power then the OBC should reset. The quickest method of checking whether its the OBC or Charger is to find a charger that you know switches off and plug it into a cart that does not switch off with its charger. If that charger does not switch off its the OBC thats the issue.
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Unread 12-12-2012, 01:55 PM   #7
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Join Date: Jan 2009
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Default Re: Reset without Run/Tow

The reverse does sound when I disconnect the batteries and it goes off when I push on the pedal like it says. I'm just saying that when I went through the process of trying to reset the OBC that it didn't fix my problem of over charging (chargers wont shut off for specific carts after the try at resetting the OBC)

I tried the reset process on a couple other carts that I have been having problems with and that didn't stop the problem of overcharging either.

Looks like I just need a new OBC I guess.

Thanks for the help
Mike
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Unread 12-12-2012, 02:13 PM   #8
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Join Date: Jul 2012
Posts: 912
Default Re: Reset without Run/Tow

OBC reset is not 100% effective at fixing an OBC problem. Also, are you saying the charger does not shut off after 16 hours?

You could have a bad bat in the pack that will cause this same symptom and result in overcharging the good bats, the bad bat will not allow the pack to come up to voltage to alert the obc to shut off the charger. You might want to check your bat readings witha voltmeter.
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Unread 12-12-2012, 02:27 PM   #9
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Default Re: Reset without Run/Tow

Will do that... thanks
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Unread 12-21-2012, 12:00 PM   #10
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Default Re: Reset without Run/Tow

Went ahead and put a new comp on one of the carts and it seems to be having the same issues. (charger won't go off) Charger stays charging at a high rate 16 amp and the lowest after a few hours I saw it go down to was around 12 amps. Went ahead and let it try and charge all night and the charger did shut off but the battery light was flashing on and off. Checked all the batts and they were 8.2 to 8.25 individually and across all of them was only 48.5. Put the cart up against the wall and started it in drive and the batts went down to 44 with a slight load. These are fairly new Crown batts...
Just afraid to put the charger on this cart and another one that is doing about the same thing.

Any ideas on where I go from here... Can one of the bats be bad even thought they all read over 8V individually?

Thanks
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