Product specifications

Samsung Electronics

5-9

5-3-5 When the UP/DOWN Louver Moter Does Not Operate. (Initial Diagnosis)

1) Checklist :

(1) Is input voltage normal?

(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.

Is operating lamp blinking?

Does operation start when swing button of the remote con-

trol 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 5-6.

Troubleshooting