YASKAWA DX200 Maintenance Manual page 1065

Alarm Name
Alarm Sub
Number
Code
4666 UNDEFINED WELD
LENGTH CHECK FILE
4667 DEFECTIVE GUN
PRESSURE FILE
4668 MEMORY ERROR
(PREVENTION FILE)
4669 DETECT BRAKE SLIP
Meaning Cause
other
Setting error
other
Sub Code: Gun pressure file Setting error
number
other
Data error
YCP21 board failure
YIF01 board failure
other
Sub Code: Signifies the axis Module failure (motor)
in which the alarm occurred
Remedy
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.
∙
Complete the settings for the weld length check condition file.
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.
∙
Match the number of "END WAIT" in the gun pressure file, and the
number of "Welding Conditions(WTM)" in the instruction.
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, initialize the maintenance prevention file
in maintenance mode, and then load the maintenance prevention file
saved in the external memory device.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YCP21 board. Save the
CMOS.BIN before replace the board to be safe. Replace the YCP21
board, and then insert the CF card which inserted original YCP21
board into the new YCP21 board.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YIF01 board. Save the
CMOS.BIN before replace the board to be safe. Replace the YIF01
board, and then load the CMOS.BIN saved before 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, replace the motor.
(3)If the alarm of "external brake" is occurred, replace the external
brake.