Communication error
Indoor display
Outdoor display
1.Checklist :
1) Is the cable between the indoor unit and outdoor unit connected correctly?
2) Isn't the power cable and communication cable cross?
2. Troubleshooting procedure
Restart a er power o .
Is the communica on error
occurred again?
YES
Is the connec on of power cable
and communica on cable normal?
YES
Is the power is normal?
(check the LED Lamp)
YES
Exchange the indoor unit PBA.
Is the communica on error
occurred again?
YES
Exchange the outdoor unit PBA.
Samsung Electronics
Communication error
1min. Time out Comm.
Abnormal Communication
NO
Terminate the service.
NO
Correct the wrong cable.
NO
Exchange the PBA of no power unit
NO
Terminate the service.
12-2