Alarm List
Alarm Number (4000 to 4999)
Alarm List-871
7566 In a RC task, received data 
size over.
Software operation error 
occurred
(1)Reset the alarm, and then try again.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance 
mode, and then contact your Yaskawa representative about 
occurrence status (operating procedure).
7567 In a RC task, receive data size 
zero detected.
Software operation error 
occurred
(1)Reset the alarm, and then try again.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance 
mode, and then contact your Yaskawa representative about 
occurrence status (operating procedure).
7568 In a RC task, reply head error 
detected.
Software operation error 
occurred
(1)Reset the alarm, and then try again.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance 
mode, and then contact your Yaskawa representative about 
occurrence status (operating procedure).
7569 In a RC task, reply status error 
detected.
Software operation error 
occurred
(1)Reset the alarm, and then try again.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance 
mode, and then contact your Yaskawa representative about 
occurrence status (operating procedure).
4719 VIB SUPPRESSION 
FLT TIME OUT
Software operation error 
occurred
(1)Reset the alarm, and then try again.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance 
mode, and then contact your Yaskawa representative about 
occurrence status (operating procedure).
4721 IMPROPER TOOL 
FILE SETTING
Sub Code: Control group 
number & tool data & tool 
number.
Setting error (1)Reset the alarm.
(2)Check the following settings.
∙ Select a sub menu [TOOL] under main menu [ROBOT]. 
∙ Select the coordinate window of the number specified by sub code 
(tool number).
∙ Set "0" to the coordinate data specified by sub code (tool data).
other If the alarm occurs again, save the CMOS.BIN in maintenance mode, 
and then contact your Yaskawa representative about occurrence 
status (operating procedure).
4730 CANNOT EXECUTE 
BRAKE SLIP DETECT
1 Brake slip detection was 
commanded to be executed 
while another optional 
function was in execution. 
Software operation error 
occurred
(1)Reset the alarm, and then try again.
(2)If another optional function was commanded to be executed, cannot 
execute brake slip detection.Correct the job.
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy