Alarm List
Alarm Number (4000 to 4999)
Alarm List-925
Other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
4928 M-SAF OUTPUT SIG.
SELF CHECK ERR
Subcode is the output signal
number that detected 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
∙ Cable continuity between YSF21 board and YSF22 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.
Other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
4929 M-SAF INPUT SIG.
SELF CHECK ERR
Subcode is the input signal
number that detected 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
∙ Cable continuity between YSF21 board and YSF22 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
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