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Curtis B.
Curtis B., Other
Category: Electric Vehicles
Satisfied Customers: 28066
Experience:  Worked on fleet of various electric vehicles, golf carts, scissor lifts and electric booms.
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Ezgo rxv won't move when I step on accelerator.

Customer Question

Ezgo rxv won't move when I step on accelerator.
Submitted: 10 months ago.
Category: Electric Vehicles
Expert:  Curtis B. replied 10 months ago.

48 volt RXV has to have a full 48 volts, to release the brake and drive. Do you have 48 volts, or more at the battery pack and to the solenoids?

Customer: replied 10 months ago.
Expert:  Curtis B. replied 10 months ago.

Does the solenoid click when you press the pedal? Does it send 48 volts to the brake? What is the pack voltage? Fully charged 48 volt system should be around 54 volts???

Customer: replied 10 months ago.
When I turn the key to F or D there is an immediate temporary lurch backward. Then nothing. This occurs without depressing the pedal. Then there is no responsiveness of the pedal. No movement.
Customer: replied 10 months ago.
These are brand new batteries. Fully charged. A related note; a little while bask I was driving and the brake stuck on. I just bought this cart (used but in real good condition) recently.
Expert:  Curtis B. replied 10 months ago.

Go to the brake on the drive motor and unbolt it from the drive motor and see if the cart will move.

Customer: replied 10 months ago.
Gonna take some work. They describe problems of this nature on line. I'm looking for insight- not necessarily an algorithmic approach.
Expert:  Curtis B. replied 10 months ago.

Start by finding out if it is the brake keeping unit from driving, then you can check the voltage to the brake, when the key is on and pedal is pressed. It takes a full 48 volts to release the brake. Can be the brake or it can be the brake actuator solenoid. As you see on line, RXV has had brake issues from day one!

Expert:  Curtis B. replied 10 months ago.

I see question is still open, did you find problem?

Customer: replied 10 months ago.
I'm not inclined to think it's the brake because the vehicle lurches BACKWARD violently when you step on accelerator whether you are in forward or reverse. It jumps an inch or two then- nothing.
Expert:  Curtis B. replied 10 months ago.

Are you getting a full 48 volts to the electric brake on the drive motor?