Communication Error - Samsung AR18NSPXBWKNEU Service Manual

10-2 Communication Error

10-2-1 Communication Error
Indoor display
3-LED DISPLAY
LED1 LED2
◎
Outdoor display
◎ ●
●
◎
LED ON LED BLINKING
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
Is the communication error occurred again?
Is the connection of power cable and
communication cable normal?
Exchange the indoor unit PBA.
Is the communication error occurred again?
Exchange the outdoor unit PBA.
10-2
LED3
◎
●
●
●
LED OFF
Restart after power o .
YES
YES
Is the power is normal?
(check the LED Lamp)
YES
YES
YES
7-SEG DISPLAY
E101/E102 Communication error(Indoor<->outdoor)
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.
DESCRIPTION
Samsung Electronics