Alarm List
Alarm Number (1000 to 1999)
Alarm List-399
YSF21 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF21 board.
Other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
202 An error in channel 1 of
YSF22 board was detected by
CPU2 of YSF21 board.
YSF22 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF22 board.
YSF21 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF21 board.
Other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
203 An error in channel 2 of
YSF22 board was detected by
CPU2 of YSF21 board.
YSF22 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF22 board.
YSF21 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF21 board.
Other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
1877 F-SAF I/O BOARD
NOT INSTALLED
YSF24 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF22 board.
YSF21 board failure (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF21 board.
Other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
1887 F-SAFE RAM DIAG.
ERROR(RD ADDR)
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.
Alarm
Number
Alarm Name Sub
Code
Meaning Cause Remedy
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