Motor Rotation Reversed

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This error indicates that slippage due to reversed motor rotation has occurred for more than 0.5 seconds. Specifically, it is recorded if speed feedback from Port A and B on the master control PCB shows values less than -150 mm during upward travel or greater than 150 mm during downward travel, signifying movement in the unintended direction.

• Incorrect motor wiring or phase sequence, causing the motor to rotate in the opposite direction than commanded.
• Malfunction or incorrect connection of speed feedback sensors (e.g., encoder) to Ports A and B on the master control PCB.
• Mechanical slippage between the motor and the driven load, causing the detected speed feedback to deviate significantly.
• Incorrect configuration of motor rotation direction in the drive parameters.

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1. 1

   Verify the motor's power wiring connections to ensure the correct phase sequence and direction of rotation.

2. 2

   Check the connections and functionality of the speed feedback device (encoder) to Ports A and B on the master control PCB.

3. 3

   Inspect the mechanical coupling between the motor and the lift's traction system for any signs of slippage.

4. 4

   Confirm that the motor rotation direction parameter in the drive settings matches the intended physical direction for upward and downward travel.