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■Warning and Caution: 
Warning 
y  Do not proceed to the assembly of the line while electrifying. 
y  Circuit & change components between entering shutting down the power supply and stopping 
showing CHARGE LED light of the Servo driver.  
y  The output of Servo drive [U, V, W] must NOT touch the AC power.
 
y  Motor over temperature protection is not provided. 
 
Caution 
y  Install the fan if the temperature around is too high while the Servo driver is installed in the 
Control Board.  
y  Do not proceed to the Anti-Pressure-Test to the Servo driver. 
y  Confirm the quick stop function is available before operate servo drive.  
y  Matching up machine to change the user parameter setting before machine performs. If there is 
no according correct setting number, it could lead to out of control or breakdown. 
 
 
  Safety proceeding: 
Check the covering letter detail before installing, running, maintaining and examining. Furthermore, only 
the profession-qualified people can proceed to the line-assembly. 
Safety proceeding in the covering letter discriminate between “Warning”&”Alert”. 
 
 
 Indicating the possibility dangerous situation. It could cause the death or serious   
damage if being ignored.  
 
Indicating the possibility dangerous situation. It could cause smaller or lighter human 
injured and damage of equipment.  
 
Read this covering letter detail before using Servo driver.
 
Warning 
Caution 
!