Delta ASDA-A3 Series User Manual page 761

Troubleshooting
AL023 Early overload warning
Trigger condition
and cause
13
Checking method
and corrective action
How to clear the
alarm?
AL024 Encoder initial magnetic field error
Trigger condition
and cause
Checking method
and corrective action
How to clear the
alarm?
AL025 Encoder internal error
Trigger condition
and cause
Checking method
and corrective
action
13-16
Early overload warning
Check if your servo drive is overloaded and refer to the corrective actions for
1.
AL006 for troubleshooting.
Check if the value of P1.056 is set too low. If yes, increase the value,
2.
which should be over 100 to disable the warning function.
DI.ARST
Condition: the magnetic field of the encoder U, V, W signal is in error
Cause: the initial magnetic field of the encoder is in error (Signal U, V, W of the
encoder magnetic field is in error.)
Make sure the servo motor is properly grounded and connect the ground of
1.
the UVW connector (green) to the servo drive heat sink.
Check if the connection for the encoder signal cable is normal. Make sure the
2.
encoder signal cable is separated from the power supply or any high-current
cables to avoid interference.
Use shielded cable for the encoder.
3.
If using a linear motor, check the wiring noise interference. For the noise filter
4.
of the conversion board, refer to P1.074. For the noise filter of the CN5
position feedback signal connector, refer to PM.003.
Check the Hall sensor wiring of the linear motor and monitor the Hall sensor
5.
phase sequence by inputting 0x1B42F to the scope address.
If the issue persists, send your servo drive back to the distributor or contact Delta.
Cycle power on the servo drive.
Condition: internal memory and counter of the encoder are in error.
Cause:
1. Encoder internal error (internal memory and counter are in error).
2. When applying power, the motor rotates because of inertia of the machinery or
other causes.
(a) Make sure the servo motor is properly grounded and connect the ground
1.
of the UVW connector (green) to the servo drive heat sink.
ASDA-A3