Table of Contents
Advertisement
Troubleshooting
12-2-3 When the Up/Down Louver Motor 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 procedure
Remove power cord and
plug in again in approx. 30 seconds.
Is STD lamp blinking?
start when swing button
of the remote control unit
pin #30~#34 of micom(IC04)
change?(Squarewave)
pin #2~#5 of CN61(motor connector)
change?(Squarewave)
Up/Down louver motor is faulty.
12-4
Yes
Does operation
pushed?
No
Voltage at
Yes
Voltage at
Yes
No
Check as in the procedure
Yes
No
Micom(IC04) is faulty.
No
Driver IC05/06(ULN2003A) is faulty.
No Power.
Normal
Samsung Electronics
Hide quick links:
Advertisement
Table of Contents
