YASKAWA FS100 Maintenance Manual page 316

Alarm Alarm Name Sub
Number Code
4839 MODE SIGNAL CUT
4840 INTERLOCK
CONNECTOR IS USED
4901 CUBE/AXIS
INTERFERENCE
Meaning Cause
Connection failure
Hardware failure
Machine safety board failure
Dummy connector not
inserted
Connection failure
programming pendant failure
Servo control board failure
Sub Code: Servo control board Insert connector
from which errors are detected.
0000_0001 SV#1
0000_0010 SV#2
Servo control board failure
Sub Code; Group, axis, and Setting error
interference area number
Remedy
(1)Reset the alarm.
(2)If the alarm occurs again, confirm the following.
·Replacement of the connection cable
(1)Reset the alarm.
(2)If the alarm occurs after the replacement of the machine safety board,
execute the following operation.
·Replacement of the limit switch or corresponding parts.
(1)Reset the alarm.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance mode, and
then contact your YASKAWA representative about occurrence status (operating
procedure).
Insert the dummy connector.
(1)Reset the alarm.
(2)If the alarm occurs after above mentioned operation, execute the following
operation.
·Confirm the looseness of the connectors connecting the programming pendant
and the cable.
·Replace the programming pendant cable.
(1)Reset the alarm.
(2)If the alarm occurs again, execute the following operation.
·Replacement of the programming pendant
(1)Reset the alarm.
(2)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)Disconnect the connector for releasing the manual brake
(1)Reset the alarm.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance mode, and
then contact your YASKAWA representative about occurrence status (operating
procedure).
(1)Check the following settings.
·Perform the teaching again to correct positions for manipulators so that the
step where the alarm occurred is out of interference area.
·Change the settings for interference area.
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