feb442d4_arm_Codes__Fanuc_Fault_Finding__What_To_Do
[Fanuc Alarm] ALARM 400 SERVO [Possible Cause] AXIS MOTOR OR SERVO DRIVE HAS OVER HEATED [What To Do] 
CHECK DIAGNOSTIC NUMBER 720 TO 723
Fanuc Alarms, Fanuc Alarm Codes, Fanuc Fault Finding
What To Do