Alarm List
Alarm Number (4000 to 4999)
Alarm List-702
YBK21 board failure (1)Check if the power has been supplied to the brake voltage of the
following terminal.
Check that the brake has not been locked due to malfunction of the
contactor.
∙ YBK21-CN400
∙ Motor brake terminal
(2) If any error is found, replace the YBK21 board.
Connection failure (1)Reset the alarm.
(2)If the alarm occurs again, replace the following cables.
∙ The wire harness in the robot.
Module failure (amplifier) (1)Reset the alarm.
(2)If the alarm occurs again, replace the amplifier.
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.
YPU unit failure (1)Reset the alarm.
(2)If the alarm occurs again, replace the YPU unit. 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).
4324 CONVERTER
OVERLOAD
Setting error
∙ Confirm that the tool and workpiece in use don't exceed the
permissible load.
∙ Adjust the JOB speed.
Module failure (converter) (1)Reset the alarm.
(2)If the alarm occurs again, replace the converter.
EAXA21 board failure (1)Reset the alarm.
(2)If the alarm occurs again, replace the EAXA21/EAXB21 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).
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy
To Next Page
Loading...
