3-2-5 When the UP/DOWN Louver Moter Does Not Operate.(Initial Diagnosis)
12
Remove power cord and plug in again in approx. 5 seconds.
Is operating lamp blinking?
Does operation start when swing button of the remote control unit
pushed?
Voltage at pin #33-#36 of micom (ICO4) change?(Squarewave)
Volatge at pin #13, #14, #15, #16 of IC05 (KID65003)
change?(Squarewave)
UP/DOWN louver motor is faulty.
Driver IC05 (KID65003) is faulty.
Micom (IC04) is faulty.
Normal
Check as in the procedure "No Power parts".
Refer to page 12.
Y
Y
N
N
N
Y
Y
Y
1) Checklist :
(1) Is input voltage normal?
(2) Is the UP/DOWN louver motor properly connected with the connector (CN61)?
2) Troubleshooting procedure
9-31043a(5)-TS 4/17/01 2:19 PM Page 12
Summary of Contents for AD18A1C09
Page 27: ...26 6 Wiring Diagrams 6 1 Indoor Unit AD26A1C13 AD18A1C09 ...
Page 28: ...27 6 2 Outdoor Unit UD26A1C2 UD18A1C2 ...
Page 29: ...29 ...
Page 30: ...31 ...
Page 31: ...ELECTRONICS ...
