[Cause]
Internal error occurred. If the path data directive is not implemented before the multilayer welding order, this alarm may occur.
[Countermeasure]
Check whether the path data instruction was executed before the multi-pass welding instruction. If it was executed without a problem, 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.