AL.060 The absolute position is lost – Delta servo troubleshooting

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Name Description ALM WRN SRV ON Clear
Way

AL.060

The absolute
position lost

 Due to battery undervoltage or the failure of power supply, the encoder lost the internal record.   ⊗ Yes after power cycling

Causes Checking Method Actions
Battery under voltage Check if the voltage of the battery is lower than 2.8V. After changing the battery, conduct homing procedure again. Please refer to the description of creating the absolute origin coordinate in Chapter 12.
The battery is replaced when the main power of the servo drive is off. Do no change or remove the battery when the power is OFF, which is controlled by the servo
drive.		 Conduct homing procedure again. Please refer to the description of creating the absolute coordinate in Chapter 12.
After activating the absolute function, the absolute origin coordinate has not been created
  1. Install the battery.
  2.  Check the wiring between the battery pack and the power cable of the servo drive.
  3. Check the wiring of the encoder.
 Conduct homing procedure. Please refer to the description of creating the absolute origin coordinate in Chapter 12.
Poor connection or disconnection of the battery power circuit
  1. Check the wiring of the encoder.
  2. Check the wiring between the battery pack and the power cable of the servo drive.
 Connect or repair the wiring of the battery so as to supply the power to the encoder. Conduct homing procedure again. Please refer to the description of creating the absolute origin coordinate in Chapter 12.

(The above information is referenced from Delta Electronics IMSBU)

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Other reasons Checking Method Actions
     

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