Alarm List
Alarm Number (4000 to 4999)
Alarm List-881
4750 M-SAF GENERAL
INPUT SIG. ERROR
The meaning of each sub
code is as follows:
1:GSIN1
2:GSIN2
Connection failure (1)Reset the alarm.
(2)If the alarm occurs again, check the connection and inserting state
of the following cables and connectors.
∙ YFC22
∙ YSF22-YFC22 cable
∙ Check connectors of the connected outside devices of GSIN signal
line.
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.
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 GSIN 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).
4751 YSF24 GENERAL
INPUT SIG. ERROR
The meaning of each sub
code is as follows:
1:XIN1
2:XIN2
3:XIN3
4:XIN4
5:XIN5
6:XIN6
7:XIN7
8:XIN8
Connection failure (1)Reset the alarm.
(2)If the alarm occurs again, check the connection and inserting state
of the following cables and connectors.
∙ YFC24
∙ YSF22-YFC24 cable
∙Check connectors of the connected outside devices of XIN signal line.
YSF21 board failure (1)Reset the alarm.
(2)If the alarm occurs again, replace the YSF21 board.
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy
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