Troubleshooting
Samsung Electronics
441
4-4-21 Error due to incorrect Indoor Unit Power/Communication Cable Connection
●
Check for disconnected line after turning off the Main power.
Outdoor unit display
Indoor unit display
Wall mount
LED Displays
18
o
C
21
o
C
Reservation
24
o
C
27
o
C
Criteria
• Check for Power input(220V) for the Terminal block(F1/F2).
Cause of problem
• Apply power (220V) to the terminal of the indoor unit communication block (F1/F2)
