2012 DS 48v go no go

[NoleFan4Ever]

I watched the video several times and then framed by framed it. I ~believe what you are seeing is the regen brake activating after a full throttle shut down (and you have aftermarket vented plates which show more than a stock), which makes me wonder why or if your main solenoid is falling out. If you have a spare one, I would replace it. If you do not, I would hook my meter up to the 2 small terminals on the solenoid and then as it is running, you should have 48v, but if you loose it and the motor shuts down, then you can check each input to see whats dropping out. (The blue wire or blue/white wire)

If the 48v stays constant then you need to get on the controller side of the main solenoid and do it again to see if you drop a volt/volt and a half as that means the solenoid dropped out. One of those should hopefully identify where you are losing the input/output.

[TahoeDawgZ71]

Do what Nolefan said. See if the controller is telling the solenoid to shut down or if it's actually just dropping out while keeping voltage to the coil. The sparks from the motor don't seem alarming to me. Like Nolefan said, you can just see more of your motor since it's vented. This happens in all of them. The regen braking is stopping the cart abruptly and it's sparking where the brushes meet the commutator. I see no issues with this. We need to find out why it's stopping. Check the voltage to the solenoid and let us know what you find.

[WalterM6]

You should never run a DC motor no load. It will go into a run away condition and destroy your brushes or armature or anything else that can be destroyed.

[rose88]

Originally Posted by TahoeDawgZ71

Do what Nolefan said. See if the controller is telling the solenoid to shut down or if it's actually just dropping out while keeping voltage to the coil. The sparks from the motor don't seem alarming to me. Like Nolefan said, you can just see more of your motor since it's vented. This happens in all of them. The regen braking is stopping the cart abruptly and it's sparking where the brushes meet the commutator. I see no issues with this. We need to find out why it's stopping. Check the voltage to the solenoid and let us know what you find.

Thanks I will check and let you know.

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[rose88]

Originally Posted by NoleFan4Ever

I watched the video several times and then framed by framed it. I ~believe what you are seeing is the regen brake activating after a full throttle shut down (and you have aftermarket vented plates which show more than a stock), which makes me wonder why or if your main solenoid is falling out. If you have a spare one, I would replace it. If you do not, I would hook my meter up to the 2 small terminals on the solenoid and then as it is running, you should have 48v, but if you loose it and the motor shuts down, then you can check each input to see whats dropping out. (The blue wire or blue/white wire)

If the 48v stays constant then you need to get on the controller side of the main solenoid and do it again to see if you drop a volt/volt and a half as that means the solenoid dropped out. One of those should hopefully identify where you are losing the input/output.

Checked on 2 small terminals on main solenoid got 45.1v and went down to 42.4v before motor shut off and went to 0

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[rose88]

Originally Posted by rose88

Checked on 2 small terminals on main solenoid got 45.1v and went down to 42.4v before motor shut off and went to 0

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46.5v in pack before testing

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[TahoeDawgZ71]

Originally Posted by rose88

46.5v in pack before testing

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This is a huge problem. 46.5 volts in the battery pack is DEAD. This is more than likely your issue.

[NoleFan4Ever]

Amen. Voltage is not strong enough to hold the solenoid and all the other electronics....

[rose88]

Originally Posted by TahoeDawgZ71

This is a huge problem. 46.5 volts in the battery pack is DEAD. This is more than likely your issue.

Ok but it did it with 51v when it started

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[NoleFan4Ever]

Originally Posted by rose88

46.5v in pack before testing

Originally Posted by rose88

Checked on 2 small terminals on main solenoid got 45.1v and went down to 42.4v before motor shut off and went to 0

At 42vdc the solenoid would most likely not stay engaged and dropped out. I would fully charge the pack and retest so you are within proper testing parameters.