Samsung AS18A9RCF Service Manual page 20

4. When the UP/DOWN Louver Motor Does Not Operate - Initial Diagnosis
4. When the UP/DOWN Louver Motor Does Not Operate - Initial Diagnosis
1) Checklist :
(1) Is input voltage normal? (voltage rating within ±10% range)
(2) Is the UP/DOWN louver motor properly connected with the connector (CN61)?
2) Troubleshooting procedure
Remove the power cord and plug it in again in approx. five seconds
Does the STD lamp blink?
Does it start operating when you push the swing
button of the remote control?
Is voltage of #1 ~ #4 of Micom (ICO4)
changed?(Squarewave)
Is voltage of pin#10, #11 IC05 (KID65003),
#15 and #16 changed? (squarewave)
The UP/DOWN louver motor is abnormal.
NO
YES
YES
NO
NO
YES
NO
Driver IC06 (KID65003) is abnormal.
YES
Check as the procedure
"No Power". Refer to page 16
Normal
Micom (IC04) is abnormal.
19