151 
18.3.3  CU-E18PKE  CU-E21PKE 
1  Remove the 4 screws of the Top Panel. 
 
Fig. 1 
 
2  Remove the 10 screws of the Front Panel. 
 
Fig. 2 
 
3  Remove the Top Cover of the Electronic 
Controller. 
 
Fig. 3 
4  Remove the Control Board. 
 
Fig. 4 
 
5  Remove the 8 screws of the Electronic 
Controller. 
 
Fig. 5 
 
 
 Caution! When handling electronic controller, be careful of 
electrostatic discharge.