[Cause]
System error. An exception occurred during the write to DPRAM. Possibly due to poor installation of the timer board.
[Remedy]
Reinsert the timer board. When the problem is not resolved, the board number is displayed in parentheses at SPOT-485. Also displays detailed information in SPOT-486. record these values After that, please pass the abnormal status recording function ("Abnormal status recording" in the auxiliary menu) before performing other operations (power cut off and inching operation). Get an image backup and contact the service center. When the abnormal status recording function cannot be used, record the situation and operating steps until the alarm occurs, and obtain Take an image backup and contact the service center.