Ala
rm L
ist
Ala
rm
Numb
er
(
1
00
0 to
19
99)
Alarm List-404
8
Communication data error of
Machine Safety was detected.
(Running number over)
Connection failure
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, check the connection and insertion of the
following cables and connectors.
∙
CN203 cable of YSF21board.
∙
CN250/251 cable of YSF25 board.
∙
Terminator is inserted in the CN250 of YSF25 board (last station)
YSF21 board failure
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF21 board. Save the
CMOS.BIN before replace the board to be safe.
YSF25 board failure
(1)Turn the power OFF then back ON.
(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).
9
Communication data error of
Machine Safety was detected.
(Running number don't
change)
Connection failure
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, check the connection and insertion of the
following cables and connectors.
∙
CN203 cable of YSF21board.
∙
CN250/251 cable of YSF25 board.
∙
Terminator is inserted in the CN250 of YSF25 board (last station)
YSF21 board failure
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF21 board. Save the
CMOS.BIN before replace the board to be safe.
YSF25 board failure
(1)Turn the power OFF then back ON.
(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
