123 
17.2.2  CU-VU18SKQ 
  Caution! When handling electronic controller, be careful of electrostatic discharge. 
 
1.  Remove the 5 screws of the Top Panel. 
 
Fig.1 
 
2.  Remove the 8 screws of the Front Panel. 
 
Fig.2 
 
3.  Remove the screw of the Terminal Board Cover. 
4.  Remove the Top Cover of the Control Board by 4 
hooks. 
 
Fig.3 
 
5.  Remove the Control Board as follows. 
 
Fig.4 
 
 
Fig.5 
 
 
Fig.6