[Cause]
It may be caused by an abnormality of the pulse coder or incorrect operation of the pulse coder due to noise. The number in parentheses indicates the tracking encoder number.
[Countermeasure]
1. Strengthen the grounding of the pulse encoder flange.
2. Replace the motor.
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After eliminating the cause of the alarm, perform pulse reset and then turn on the power. For the steps of pulse reset, please refer to 3.1.4 Pulse Encoder Alarm Recovery.
Note: When an alarm indicating a communication abnormality is accompanied (SRVO-090 DTERR alarm, SRVO-091 CRCERR alarm, SRVO-092 STBERR alarm), the alarm may not actually be issued.