Alarm List
Alarm Number (4000 to 4999)
Alarm List-907
4886 FORCE CONTROL 
FILE ERROR
1 The specified force control file 
is for other manipulator. 
Setting error Reset the alarm and check the force control file. The robot of 
instruction does not match the robot of force control file. Change the 
file number or the settings of force control file.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode, 
and then contact your Yaskawa representative about occurrence 
status (operating procedure).
4897 FORCE CONTROL 
INTERNAL ERROR
32 Force control parameter error  Setting error Reset the alarm and check the tags of the instruction. 
other If the alarm occurs again, save the CMOS.BIN in maintenance mode, 
and then contact your Yaskawa representative about occurrence 
status (operating procedure).
64 Excessive force detected Setting error (1)Reset the alarm and check the force sensor. Too large force has 
detected in force sensor.
(2)If the alarm occurs again, save the CMOS.BIN in the maintenance 
mode and contact your Yaskawa representative about occurrence 
status (operating procedure).
128 Overspeed Setting error Reset the alarm and decrease the motion speed in JOB.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode, 
and then contact your Yaskawa representative about occurrence 
status (operating procedure).
256 Singular point error Setting error Reset the alarm and check the posture of the robot. Change the JOB 
to avoid the singular point.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode, 
and then contact your Yaskawa representative about occurrence 
status (operating procedure).
512 Board / cable error Sensor / Cable error (1)Check the force sensor, the sensor board, and the cable of force 
sensor.
(2)If the alarm occurs again, check the connection of sensor board to 
the controller.
(3)If the alarm occurs again, save the CMOS.BIN in the maintenance 
mode and contact your Yaskawa representative about occurrence 
status (operating procedure).
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy