Alarm List
Alarm Number (4000 to 4999)
Alarm List-875
Programming pendant
failure
(1)Reset the alarm.
(2)If the alarm occurs again, replace the programming pendant.
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).
4742 M-SAF PBESP SIG.
ERROR
Emergency stop signal of the
panel box was unmatched for
a certain time.
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-CN218
∙Check connectors of the connected outside devices of EMERGENCY
STOP signal line.
Hardware failure (1)Reset the alarm.
(2)If the alarm occurs again, replace the emergency stop switch of the
panel box.
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.
YFC22 board failure (1)Reset the alarm.
(2)If the alarm occurs again, replace the YFC22 board.
In a system where a plurality of YFC22 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).
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy
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