Delta ASD-B2-0121-F, User Manual

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Troubleshooting ASDA-B2-F
9-10
September, 2015
9
AL026 Unreliable internal data of the encoder Cleared after re-power on
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 motor is properly
grounded.
2. Check if the encoder cable is
separated from the power supply or
high-current cable to avoid
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 is separated from the
power supply or the
high-current cable.
3. Please use cables with
shielding mesh.
4. If issue persists, please send
the drive back to the distributors
or contact with Delta.
AL027 The internal of the motor is in error Cleared after re-power on
Causes Checking Method Corrective Actions
The internal reset of the
encoder is in error.
1. Check if the encoder communication
cable is properly connected.
2. Check if the power supply is stable.
3. Check if the operation temperature
exceeds 95
°
C.
1. Check if the encoder
communication cable is
normal.
2. Please use encoder
communication cable with
shielding mesh.
3. If issue persists, please send
the drive back to the
distributors or contact with
Delta.
AL028
Encoder voltage error or the internal of
the encoder is in error
Cleared after re-power on
Causes Checking Method Corrective Actions
Battery voltage is too high.
1. Check if there is charging circuit in
the servo drive.
2. Check if the battery is correctly
installed. (Voltage > 3.8 V)
Please do the check according to
the procedure of over voltage.
When corrective actions are done,
AL028 will be cleared
automatically.
The internal of the encoder
is in error. 1. Check if it is absolute encoder.
2. Check if the servo motor is properly
grounded.
3. Check if the encoder cable is
separated from the power supply or
high-current cable to avoid
interference.
4. Check if the shielding cables are
used in the wiring of the encoder.
1. If the situation is not improving,
please send the drive back to
the distributors or contact with
Delta.
2. Please connect the UVW
connector (color green) to the
heat sink of the servo drive.
3. Please check if the encoder
cable is separated from power
supply or high-current cable.
4. Please use shielding mesh. If
the situation is not improving,
please send the drive back to
the distributors or contact with
Delta.
AL029 Gray code error Cleared after re-power on
Causes Checking Method Corrective Actions
Absolute position is in error. Re-power on to operate the motor and
check if the alarm occurs again.
If the alarm occurs again, please
change the encoder.