Alarm List
Alarm Number (4000 to 4999)
Alarm List-884
4757 M-SAF SAFETY
GUARD DIAG.
ERROR
Sub code indicates the
process that the software of
CPU1 or CPU2 detected an
error.
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 YSF22 board which is connected to the first 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).
4758 M-SAF OVERRUN
DIAG. ERROR
An error is detected by YSF21
board.
The error is occurred in the
signal that is inverted
representation.
CPU1 1:OT1
CPU1 2:OT2
CPU1 3:OT3
CPU1 4:OT4
CPU2 1:OT1
CPU2 2:OT2
CPU2 3:OT3
CPU2 4:OT4
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, which is connected to the overrun signal on which the alarm
occurred.
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
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