Sunlight Supply Samsung Programmable Thermostat for Split Systems - Manual (Page 72)

12-5
When the Up/Down 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)
2. Troubleshooting procedure
Is the lamp blinking?
Unplug the power cord and plug it a Ōer 30seconds
later.
Check the as in the procedure.
No power.
NO
Is the connected louver wire? Connect the wire PBA to louver motor
NO
YES
Is the voltage changeable at the
pin#2~#5 of CN61(louver
connector)?
Exchange the PBA
NO
YES
Up/Down louver motor is faulty.
YES
Does opera Ɵon start when swing
bu Ʃon of the remote control unit
pushed?
Normal
YES
NO