YASKAWA FS100 Maintenance Manual page 314

Alarm Alarm Name Sub
Number Code
4831 PANEL E-STOP SIGNAL
ERROR
4832 EXT E-STOP SIGNAL
ERROR
4833 ENABLE SW SIGNAL
ERROR
4834 SAFTY PLUG SIGNAL
ERROR
Meaning Cause
Machine safety board failure
Connection failure
Connection failure
Hardware failure
Enable signal unmatched
error
Connection failure
programming pendant failure
Machine safety board failure
Connection failure
Hardware failure
Remedy
(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)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, execute the following operation.
·Replacement of the connection cable
(1)Reset the alarm.
(2)If the alarm occurs again, execute the following operation.
·Replacement of the external emergency stop button or the corresponding
parts.
(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)Check the followings.
·There are two point of contact enable switch, and only one might be turned ON
by how to squeeze. Moreover, only one might be turned ON when putting it on
the place where it is not a plane on the knee etc.
(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, execute the following operation.
·Replacement of 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)If the alarm occurs again, execute the following operation.
·Replacement of connection cable
(1)Reset the alarm.
(2)If the alarm occurs again, execute the following operation.
·Replacement of the switch used for safeguarding signal or the corresponding
parts.
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