AL.026 Unreliable internal data of the encoder – Delta servo troubleshooting

Name Description ALM WRN SRV ON Clear
Way

AL.026

The error of the internal data has been detected for three times continuously   NO Re-power on

Causes Checking Method Actions

The encoder is in error.
(Errors occur in the internal data for three times continuously)

  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 issue persists, 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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