YASKAWA DX200 Maintenance Manual page 1106

Alarm Name
Alarm Sub
Number
Code
4759 M-SAF ON_ENABLE
DIAG. ERROR
4760 M-SAF FULL SPEED
DIAG. ERROR
Meaning Cause
An error is detected by YSF21 YSF21 board failure
board.
The meaning of each sub
code is as follows:
CPU1 1:ON_ENABLE1
CPU1 2:ON_ENABLE2
CPU1 3:ON_ENABLE3
CPU1 4:ON_ENABLE4
CPU2 1:ON_ENABLE1
CPU2 2:ON_ENABLE2
CPU2 3:ON_ENABLE3
CPU2 4:ON_ENABLE4
YSF22 board failure
Other
Sub code indicates the YSF21 board failure
process that the software of
CPU1 or CPU2 detected an
error.
YSF22 board failure
Other
Remedy
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSF21 board.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSF22 board.
In a system where a plurality of YSF22 boards are connected, replace
the board, which is connected to the ON_ENABLE signal on which the
alarm occurred.
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSF21 board.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSF22 board.
In a system where a plurality of YSF22 boards are connected, replace
the YSF22 board which is connected to the first EAXA21 board.
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).