GE ASH220NCDW - Usyf09 Ucdwa Usyf12 Ucdwa Usyf18 Ucdwa

CONSOLE TECHNICAL OVERVIEW
ENGLISH
H-1
CONSOLE TECHNICAL OVERVIEW
Table of Contents
Components ......................................................................................................................................................................... H-2
Component Overview .........................................................................................................................................................H-2
Indoor Circuit Board.............................................................................................................................................................H-3
Testing ..................................................................................................................................................................................H-4
Removing the Filter Cover & Filter ......................................................................................................................................H-4
Front Cover Removal ...........................................................................................................................................................H-4
Control Box Removal ...........................................................................................................................................................H-4
Board Replacement .............................................................................................................................................................H-4
Upper Louver Removal ........................................................................................................................................................H-5
Lower Damper Assembly Removal .....................................................................................................................................H-5
Replace Fan Motor ...............................................................................................................................................................H-5
Indoor Fan Motor Test Procedure .......................................................................................................................................H-6
Testing Temperature Sensors ............................................................................................................................................. H-7
Testing Louver Motors ........................................................................................................................................................H-7
Testing Communication Circuit ..........................................................................................................................................H-8
Replacing WiFi Module ......................................................................................................................................................... H-8
Wiring Diagram/DIP Switch Settings .................................................................................................................................... H-9
Error Codes .........................................................................................................................................................................H-10
USYF09UCDWA
USYF12UCDWA
USYF18UCDWA