Alarm List
Alarm Number (4000 to 4999)
Alarm List-851
3 Incorrect file type. Data error (1)Reset the alarm.
(2)Try the write operation again.
YSF25 board failure (1)Reset the alarm, and then try again.
(2)If the alarm occurs again, replace the YSF25 board. Save the
CMOS.BIN before replace the board to be safe.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
4 Incorrect file number. Data error (1)Reset the alarm.
(2)Try the write operation again.
YSF25 board failure (1)Reset the alarm, and then try again.
(2)If the alarm occurs again, replace the YSF25 board. Save the
CMOS.BIN before replace the board to be safe.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
5 Incorrect write data. Data error (1)Reset the alarm.
(2)Try the write operation again.
YSF25 board failure (1)Reset the alarm, and then try again.
(2)If the alarm occurs again, replace the YSF25 board. Save the
CMOS.BIN before replace the board to be safe.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
6 Process order error. Software operation error
occurred
(1)Reset the alarm.
(2)Try the write operation again.
YSF25 board failure (1)Reset the alarm, and then try again.
(2)If the alarm occurs again, replace the YSF25 board. Save the
CMOS.BIN before replace the board to be safe.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy