Samsung Electronics
4-25
4-3-13 Communication error between indoor/outdoor units (1min.)
1. Inspection items
1) Is the communication line between indoor and outdoor units connected properly?
2) Is there a communication connection between power line and communication line?
2. Inspection order
Yes
Replace PCB of the outdoor unit
after turning off.
No
Terminate service
No
Restart after turning off the power
No
Yes
Is there a communication error?
Is there a communication
connection between power line and
communication line?
Is the outdoor terminal
block F1–F2, less than DC5V?
Yes
Connection line checkup
When measuring F1–F2, the outdoor
terminal block, if the voltage varies
(communicates) below DC5V, the connection
status of the connection line is normal.
Summary of Contents for AC026FBRDEH
Page 19: ...3 10 Samsung Electronics No Parts Procedure Remark 6 Loosen fixing screws of the Cabinet Front...
Page 58: ...Samsung Electronics 5 1 5 PCB Diagram and Parts List 5 1 PCB Diagram 5 1 1 Indoor Unit...
Page 63: ...Samsung Electronics 6 1 6 Wiring Diagram 6 1 Indoor Unit...
