11
3-2-4 When the UP/DOWN Louver Motor Does Not Operate. (Initial Diagnosis)
1)
Checklist :
(1) Is input voltage normal? (rating voltage ±10% range)
(2) Is the UP/DOWN louver motor properly connected with the connector (CN61)?
2)
Troubleshooting procedure
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 #1-#4 of micom (ICO4)
change?(Squarewave)
Volatge at pin #16, #15 of IC06, #10, #11 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 8.
N
Y
N
N
N
Y
Y
Y
1-00189A(2) 3/14/01 4:26 PM Page 11
Summary of Contents for US18A6RC
Page 23: ...22 6 PCB Diagrams 6 1 Main PCB PD TQ24AIR 01 1 00189A 2 3 14 01 4 26 PM Page 22 ...
Page 25: ...24 7 Wiring Diagrams 7 1 Indoor Unit AS24A2RC AS18A6RC 1 00189A 2 3 14 01 4 26 PM Page 24 ...
Page 27: ...26 MEMO 1 00189A 2 3 14 01 4 26 PM Page 26 ...
Page 28: ...27 8 Schematic Diagrams 8 1 Indoor Unit ...
Page 29: ...ELECTRONICS 1 00189A 2 CO 3 14 01 4 24 PM Page 2 ...
