YASKAWA DX200 Maintenance Manual page 1102

Alarm Name
Alarm Sub
Number
Code
4750 M-SAF GENERAL
INPUT SIG. ERROR
4751 YSF24 GENERAL
INPUT SIG. ERROR
Meaning Cause
The meaning of each sub Connection failure
code is as follows:
1:GSIN1
2:GSIN2
YSF21 board failure
YSF22 board failure
YFC22 board failure
Other
The meaning of each sub Connection failure
code is as follows:
1:XIN1
2:XIN2
3:XIN3
4:XIN4
5:XIN5
6:XIN6
7:XIN7
8:XIN8
YSF21 board failure
Remedy
(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.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSF21 board.
(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.
(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.
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
(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.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSF21 board.