Alarm List
Alarm Number (4000 to 4999)
Alarm List-887
YSF21 board failure (1)Reset the alarm.
(2)If the alarm occurs again, replace the YSF21 board.
YSF24 board failure (1)Reset the alarm.
(2)If the alarm occurs again, replace the YSF24 board.
In a system where a plurality of YSF24 boards are connected, replace
the board, which is connected to the XIN 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).
4763 M-SAF CONTACT FB
DIAG. ERR (CPU1)
The meaning of each sub
code is as follows:
1:KMMB1
2:KMMB2
3:KMMB3
4:KMMB4
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-CN217
∙ YPU-CN607
∙ Cable continuity between YSF22 board and YPU unit.
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.
YPU unit failure (1)Reset the alarm.
(2)If the alarm occurs again, replace the YPU unit.
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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