Alarm List
Alarm Number (4000 to 4999)
Alarm List-928
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
4953 ENCODER COUNTER
DIFF. ERR (SV)
Connection failure (1)Reset the alarm
(2)If the alarm occurs again, check the connection and inserting state
of the following cables and connectors.
{Robot axis}
∙ Cables between encoders
∙ EAXA21-CN508
{External axis}
∙ Cables between encoders
∙ EAXB21-CN534,535,536
EAXA21 board failure (1)Reset the alarm.
(2)If the alarm occurs again, replace the EAXA21 board. Save the
CMOS.BIN before replacing the board to be safe.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
4954 REALTIME STATUS S/
R ERROR (SV)
Software operation error
occurred
(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).
4955 AVERAGING DATA
ERROR (SERVO)
Software operation error
occurred
(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).
4956 AVERAGING SUM
ERROR (SERVO)
Software operation error
occurred
(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).
4957 AVERAGING STATUS
ERR (SERVO)
Software operation error
occurred
(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).
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy