YASKAWA DX100 Maintenance Manual page 543

Alarm Alarm Name Sub
Number Code
4365 TOUCH DETECT
DATA OVER
4366 GUN BEND
COMPENSATION
SET ERROR
4367 ROBOT POSE
ERROR
4371 SYSTEM
ERROR(SERVO)
4372 SERVO ON
SIGNAL ERROR
4373 MAGNETIC POLE
DETECTING
ERROR
4374 PHASE DATA
UNMATCH
4380 M-SAFETY
PROCESS
ERROR(CPU1)
Meaning Cause
Setting error
Sub Code: Signifies the group in Setting error
which the alarm occurred
Setting error
Setting error
Connection failure
Module
failure(motor)
Module
failure(motor)
YSU unit failure
Remedy
Check the following settings.
·Home position of gun axis
·"The motion limit for which the fixed (movable) gun electrode hits the welded
target" in the gun condition file
·"The pulse-stroke converter" in the gun condition file.
Check if this model is supported.
Check the settings for jobs.
Check if the brake unit supports independent brake control.
Check the connections between TU board and EAXA board.
Replace the TU board.
(1)Reset the alarm.(In case of major alarm, turn the power OFF then back
ON.)
(2)If the alarm occurs again, replace the linear encoder.
(1)Reset the alarm.(In case of major alarm, turn the power OFF then back
ON.)
(2)If the alarm occurs again, replace the linear encoder.
(1)Reset the alarm.
(2)If the alarm occurs again, replace the YSU unit. Save the CMOS.BIN
before replacing the YSU unit to be safe.