Ala
rm L
ist
Ala
rm
Numb
er
(
4
00
0 to
49
99)
Alarm List-888
4764
M-SAF STO FB DIAG.
ERROR
The meaning of each sub
code is as follows:
CPU1 1:EDM1
CPU1 2:EDM2
CPU1 3:EDM3
CPU1 4:EDM4
CPU2 1:EDM1
CPU2 2:EDM2
CPU2 3:EDM3
CPU2 4:EDM4
Connection failure
(1)Reset the alarm.
(2)If the alarm occurs again, check the connection and inserting state
of the following cables and connectors.
∙
EAXA21-CN8/CN/CN10/CN11
∙
YSF22-CN217
∙
Cable continuity between YSF22 board and EAXA21 board.
YSF21 board failure
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSF21 board.
YSF22 board failure
(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 on which the alarm occurred.
EAXA21 board failure
(1)Reset the alarm.
(2)If the alarm occurs again, replace the EAXA21 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).
4765
M-SAF BRAKE FB
DIAG. ERROR
Connection failure
(1)Reset the alarm.
(2)If the alarm occurs again, check the connection and inserting state
of the following cables and connectors.
∙
YSF22-CN214
∙
Cable continuity between YSF22 board and YBK21 board.
YSF21 board failure
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSF21 board.
YSF22 board failure
(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 on which the alarm occurred.
Alarm
Number
Alarm Name
Sub
Code
Meaning
Cause
Remedy