Samsung Electronics
12-2-12 Communication error
1. Checklist :
1) Is the communication cable between the indoor unit and outdoor unit connected correctly?
2) Isn’t the power cable and communication cable wiring error?
2. Troubleshooting procedure
Yes
Restart after power off.
Is the communication error
occurred again?
Isn't the power cable and
communication cable wiring error?
Is it the outdoor
2 Micom(In Main) model?
Exchange the outdoor unit PCB.
Terminate the service.
Correct the wrong wiring.
Is the connection of
communication cable normal?
Correct the connection of
communication cable.
Exchange the indoor/outdoor unit PCB.
Yes
Yes
Yes
No
No
No
No
Troubleshooting
12-14
25888A(1)_1.indd 43
2006-04-14 ソタネト 2:26:15
Summary of Contents for UH035EAV Series
Page 46: ...MEMO Samsung Electronics 4 27 ...
Page 57: ...Samsung Electronics 5 11 5 3 Ass y Control Out UH035EAV DB93 03453A ...
Page 59: ...Samsung Electronics Ass y Control Out cont UH052EAV DB93 03665D UH070EAV DB93 03665E 5 13 ...
Page 106: ...Samsung Electronics MEMO 8 5 ...
Page 111: ...9 2 Refrigerating Cycle Diagram 9 5 Samsung Electronics EH035EAV UH035EAV ...
Page 112: ...Samsung Electronics EH052EAV UH052EAV EH070EAV UH070EAV Circuit Descriptions 9 6 ...
Page 164: ...Samsung Electronics 14 10 MEMO ...
Page 165: ...Samsung Electronics MEMO 14 11 ...