Samsung ASHM070VE Service Manual page 41

5-3-5 When the UP/DOWN Louver Moter Does Not Operate. (Initial Diagnosis)
1) Checklist :
(1) Is input voltage normal? (198-264VA C )
(2) Is the UP/DOWN louver motor properly connected with the connector (CN61)?
2 ) Troubleshooting pro c e d u re
Remove power cord and plug in again in approx. 5 seconds.
Does operation start when swing button of the remote con-
Voltage at pin #33-#36 of micom (ICO4)
Volatge at pin #13, #14, #15, #16 of IC05 (KID65003)
UP/DOWN louver motor is faulty.
Samsung Electronics
Is operating lamp blinking?
Y
trol unit pushed?
N
change?(Squarewave)
Y
change?(Squarewave)
Y
Y
Check as in the procedure "No Power
parts". Refer to page 5-2-1.
Y
Normal
N
Micom (IC04) is faulty.
N
Driver IC05 (KID65003) is faulty.
Troubleshooting
5-9