AL.006 Overload – Delta servo troubleshooting

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Name Description ALM WRN SRV ON Clear



The motor and the drive is overload   NO DI.ARST

Causes Checking Method Actions
Over the rated loading of the drive and continuously excessive using Set parameter P0-02 to 11 and see if the average torque [%] is over 100% all the time Increase the motor capacity or reduce the load
The setting of the control system parameter is inappropriate
  1. Check if there is any mechanical vibration.
  2. Check if the acceleration / deceleration constant are set too fast
  1. Adjust the gain value of the control circuit
  2. Slow down the acceleration / deceleration setting time
Wrong wiring of the motor and the encoder Check the wiring of U, V, W and the encoder Correct wiring
The encoder of the motor is defective Send the drive back to the distributors or contact with Delta  

(The above information is referenced from Delta Electronics IMSBU)

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Other reasons Checking Method Actions

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