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Troubleshooting

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ASDA-A3

14

AL02F Blocked rotor protection

1. Set the motor speed higher to shorten the duration of the occurrence of

blocked rotor.

Checking method

and corrective action

2.

Check if the mechanical part connected to the motor is working normally.

3. Check if the wiring of the motor power cable and encoder cable is correct.

4. Send your servo motor back to the distributor or contact Delta.

How to clear the

alarm?

DI.ARST

AL030 Motor collision error

Trigger condition

and cause

Condition: when the motor hits the device, the torque reaches the value set by

P1.057 and the duration exceeds the time set by P1.058.

Cause:

1. Check if the protection function of motor hard stop (P1.057) is enabled.

If so, set P1.057 to 0.

2. Check if the value set by P1.057 is too low and the time set by P1.058 is too

short. Set P1.057 according to the actual torque. If P1.057 is set to low, it may

lead to malfunction; if P1.057 is set to high, it may lose the protection function.

Checking method Cycle power on the servo drive to operate the motor. Then, check if the alarm

and corrective action occurs again. If the issue persists, replace the encoder.

How to clear the

alarm?

DI.ARST

AL031 Motor power cable wiring error

Trigger condition

and cause

Condition: incorrect wiring of the motor power cable (U, V, W) and ground wire

(GND).

Cause: incorrect wiring of the power cable (U, V, W) and ground wire (GND). The

switch for wiring error detection is set by P2.065 [Bit 8], which is enabled by

default.

Checking method

and corrective action

Check if the wiring of the motor power cable (U, V, W) and ground wire (GND) is

correct. Follow the instructions in this user manual for correct wiring and proper

grounding.

How to clear the

alarm?

Cycle power on the servo drive.

AL032 Abnormal encoder vibration

Trigger condition

and cause

Condition: abnormal vibration occurred in the encoder.

Cause: the internal signal or mechanical part of the encoder is abnormal, so the

encoder returns an error signal.

14-24

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