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Samsung Electronics
12-2-13 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 error?
2. Troubleshooting procedure
Yes
Restart after power off.
Is the communication error
occurred again?
Isn't the power cable
and communication cable 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
12-15
Содержание AQV09FC
Страница 18: ...Samsung Electronics 4 1 4 Disassembly and Reassembly Necessary Tools Item Remark SCREW DRIVER MONKEY SPANNER ...
Страница 26: ...MEMO Samsung Electronics 4 9 ...
Страница 27: ...Samsung Electronics 5 1 5 Exploded Views and Parts List 5 1 Indoor Unit ...
Страница 29: ...Samsung Electronics 5 2 Outdoor Unit 5 3 ...
Страница 32: ...MEMO Samsung Electronics 5 6 ...
Страница 33: ...Samsung Electronics 5 7 5 4 Ass y Control Out AQV09NSAX DB93 05534C AQV12NSAX DB93 05534D ...
Страница 42: ...This Document can not be used without Samsung s authorization 7 2 Outdoor Unit 7 2 Samsung Electronics ...
Страница 44: ...8 2 Outdoor Unit This Document can not be used without Samsung s authorization Samsung Electronics 8 2 ...
Страница 78: ...Samsung Electronics SMPS AC COMMUNICATION SUB PCB INDOOR FAN CONTROL BUZZER CONTROL Block Diagram 13 2 ...
Страница 80: ...Samsung Electronics Block Diagram 13 4 OUTDOOR FAN B D IGBT DIODE IPM SMPS DC_LINK CAP ...