[Cause]
The internal instruction of the spot welding instruction is incorrect.
[Countermeasure]
Perform a controlled start once, then perform a cold start again. If the problem cannot be resolved, Before performing other operations (power-off and jogging operations) after this alarm occurs, use the abnormal-condition recording function (“Abnormal Condition Record” in the auxiliary menu) to obtain an image backup and contact the service center. If the abnormal-condition recording function cannot be used, record the conditions and operating steps leading up to the alarm, obtain an image backup, and contact the service center.