[Cause]
A chain alarm was detected through the emergency stop switch on the operation panel.
[Countermeasure]
1. Replace the emergency stop board.
2. Replace the teach pendant cable.
3. Replace the teaching pendant.
4. Replacement of the emergency button for the operating panel. For recovery steps in the event of this alarm, please refer to SRVO-230 (chain 1 anomaly), 231 (chain 2 anomaly).
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Note: When this alarm is issued, do not reset the chain abnormality alarm until the fault has been identified and repaired. If the robot continues to be used with one circuit of the redundant circuit system faulty, safety may be difficult to ensure if the other circuit also fails.