YASKAWA DX200 Maintenance Manual page 1111

Alarm Name
Alarm Sub
Number
Code
4768 YSF24 GENERAL
OUT FB DIAG.
ERROR
Meaning Cause
YSF21 board failure
YFC22 board failure
YSF22 board failure
Other
The meaning of each sub Connection failure
code is as follows:
CPU1 1:XEDM1
CPU1 2:XEDM2
CPU1 3:XEDM3
CPU1 4:XEDM4
CPU1 5:XEDM5
CPU1 6:XEDM6
CPU1 7:XEDM7
CPU1 8:XEDM8
CPU2 1:XEDM1
CPU2 2:XEDM2
CPU2 3:XEDM3
CPU2 4:XEDM4
CPU2 5:XEDM5
CPU2 6:XEDM6
CPU2 7:XEDM7
CPU2 8:XEDM8
YSF21 board failure
Remedy
(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 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.
(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.
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 XEDM signal
line.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSF21 board.