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09-20-2019, 09:11 PM | #1 |
Not Yet Wild
Join Date: May 2009
Location: Miss
Posts: 34
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48volts on all motor terminals
I have been going over this 2004 precident all week. It had no batteries at all, I purchased a new set today and installed them. I discovered a couple of connections to the motor that were not according to the diagram and corrected them. I was able to get the wheels to turn briefly but only in reverse. That was regardless of the switch position, forward or reverse. One position gave a faster rotation but still in reverse.
I have double checked the wiring and disconnected the motor to check it per the manual. It checks good. The last time I tried it I heard a hum but had no rotation. In checking the motor terminals I found 48 volts on all 4 terminals. Having the key on or off made no difference so I disconnected the batteries for the night as I had other things to do. Sorry, I have done no searches and don’t know where to start on this tomorrow. Any advice is appreciated. |
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09-20-2019, 10:59 PM | #2 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: 48volts on all motor terminals
If you are getting 48v on all four (4) terminals (A1/2 & F1/2) then there is an internal short in your motor..... Did you do a continuity test?
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09-21-2019, 07:45 AM | #3 |
Not Yet Wild
Join Date: May 2009
Location: Miss
Posts: 34
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Re: 48volts on all motor terminals
I did and it checked out good
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09-21-2019, 08:55 AM | #4 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: 48volts on all motor terminals
Were all cables completely removed from the motor when you performed the test?
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09-21-2019, 09:16 AM | #5 |
Not Yet Wild
Join Date: May 2009
Location: Miss
Posts: 34
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Re: 48volts on all motor terminals
all were off.
I just checked it again. motor was fine. I checked the leads to the motor. 48 volts on green and orange 20 volts on white 5 volts on blue these are the same with switch on or off and for/rev in any position. I am thinking controller but I don't want to jump to quick on that. |
09-21-2019, 10:35 AM | #6 |
Gone Wild
Join Date: Aug 2011
Posts: 553
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Re: 48volts on all motor terminals
The controller sinks (negative) it does not source (positive) motor hooks direct to positive
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09-21-2019, 11:50 AM | #7 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: 48volts on all motor terminals
If you probe just the A1/A2 wires and get the solenoid closure you should have ~5vdc. As you increase the pedal travel it should go to 48vdc.
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09-22-2019, 07:16 AM | #8 |
Not Yet Wild
Join Date: May 2009
Location: Miss
Posts: 34
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Re: 48volts on all motor terminals
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09-22-2019, 08:08 AM | #9 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: 48volts on all motor terminals
You can leave them connected as long as you are certain there are no motor shorts.
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