AL.027 The Internal of the Motor is Error – Delta servo troubleshooting

Name Description ALM WRN SRV ON Clear
Way

AL.027

The internal reset of the encoder is error.   NO Re-power on

Causes Checking Method Actions

The internal reset of the encoder is in error

  1. Check if the servo is properly grounded.
  2. Check if the encoder cable separates from the power supply or the high-current circuit to avoid the interference.
  3. Check if the shielding cables are used in the wiring of the encoder.
  1. Please connect the UVW connector (color green) to the heat sink of the servo drive.
  2. Please check if the encoder cable separates from the power supply or the high-current circuit.
  3. Please use shielding mesh.
  4. If the situation is not improving,please send the drive back to the distributors or contact with Delta.

(The above information is referenced from Delta Electronics IMSBU)

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