Samsung AR18NSFHBWKNEU, Service Manual

Page: 59 / 105

Samsung Electronics 10-5
10-2-4 When the Up/Down, Left/Right, Grill louver motor does not operate (Initial Diagnosis)
(Not displayed)
1. Checklist :
1) Is the input power voltage normal?
2) Is the Up/Down louver motor properly connected with the connector? (CN61, CN62, CN63)
2. Troubleshooting procedure
NO
YES
Exchange the PBA
Normal
YES
NO
NO
NO
Is the connected louver wire?
Is the lamp blinking?
YES
YES
Connect the wire PBA to louver motor
Check the as in the procedure.
No power.
Is the voltage changeable at the pin#2~#5 of CN61,
CN62, CN63
(louver connector)?
Does operation start when swing button of the
remote control unit pushed?
Up/Down louver motor is faulty.
Unplug the power cord and plug it after
30seconds later.