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WIRING DIAGRAM

▶  Be sure to unplug the power to repair and replace 

electric parts.

Be sure to follow proper ESD and grounding 
precautions for diagnosis and repair. If this is 
not possible, touch the ground wire on a 
regular basis to remove any static charge built 
up on your person. 

①  Remove 5 panel fixing screws attaching the panel 

on the back. 

② Disassemble Rear Panel.

③ Pull the front panel forward.
④ Disassemble the protective cover.
⑤ Disconnect the leads from the controller.

⑥ Remove 9 screws on the PCB assembly.
⑦ Disassemble PCB assembly.

Rear Panel

Main PCB

Protect cover

Display PCB

①  Remove the two screws attaching the noise filter.

 

②     

Disconnect 2 connector in Noise Filter and 

Disassemble Noise Filter and Power Cord.

①     

Disconnect the leads from the inlet valve and remove 

three screws.  

②     

Remove the hoses and output pipes from the input 

valve.

③     

Remove the inlet valve.

①     

Disconnect the leads from pressure switch and 

disassemble pressure switch

②     

Disconnect pressure tube from the pressure switch .

①     

Remove the hoses and output pipes from the input 

valve.

② 

Disassemble the connector pipe and the DT housing. 

Ⓐ

Ⓐ

Ⓑ

Ⓒ

Ⓓ

Ⓑ

Ⓒ

Ⓓ

      

① 

    

Insert a flat blade between the cabinet and the top 

cover to release the latches.  

      

②

Lift the top cover. 

      

③ Use the blade to push the left hinge out of the 

way and to displace the hinge pin to remove the 
lid. 

      

④ 

Remove the lid by pulling the right hinge pin out of 

its holder. 

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