ASDA-M Chapter 10 Troubleshooting
Revision December, 2014 10-19
AL025: The internal of the encoder is in error
Causes Checking Method Corrective Actions
The internal of the
encoder is in error.
(The internal memory
and the internal
counter are 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.
AL026: Unreliable internal data of the encoder
Causes Checking Method Corrective 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 the situation is not
improving, please send the
drive back to the distributors
or contact with Delta.
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