YASKAWA DX200 Maintenance Manual page 1104

Alarm Name
Alarm Sub
Number
Code
4754 M-SAF EXESP DIAG.
ERROR
4755 M-SAF PP ENABLE
SW DIAG. ERROR
4756 M-SAF EX ENABLE
SW DIAG. ERROR
Meaning Cause
Sub code indicates the YSF21 board failure
process that the software of
CPU1 or CPU2 detected an
error.
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
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 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).
(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).
(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).