86
SAMSUNG ELECTRONICS
9-2-14 No power outdoor (Initial Diagnosis) (Not displayed)
1. Checklist :
1) Is input power normal?
2) Is AC power linked correctly? (L,N,E)
3) Is mis-wiring between communication wire and Power wire?
4) Is mis-wiring between Main PBA and SMPS PBA wire?
5) Is input voltage of SMPS AC in Main PBA (CN150) normal?
6) Is the voltage of SMPS DC in Main PBA (CN151,CN152) normal?
2. Troubleshooting procedure
Unplug the power cord
Restart after power off.
Is the power cable from
terminal block to PBA is correct?L :CN002, N:CN001,
EARTH:CN003
Check the fuse open or not? (F001)
YES
YES
Reconnect the power wire correctly.
NO
Exchange the Main PBA
NO
Is the power normal?
Is AC power is normal for SMPS?
CN150 : 220Vac~240Vac
NO
YES
NO
YES
Check the power source.
Exchange the Main PBA
Check SMPS wire connection
Summary of Contents for AR07TXCAAWKNEU
Page 49: ...49 SAMSUNG ELECTRONICS 5 2 ASSY KIT CODE DB92 04839Q ...
Page 50: ...50 SAMSUNG ELECTRONICS 5 3 ASSY KIT CODE DB92 04839Q ...
Page 59: ...59 SAMSUNG ELECTRONICS 6 Wiring Diagram 6 1 Indoor Unit CODE DB68 08680A 01 ...
Page 61: ...61 SAMSUNG ELECTRONICS 7 PCB Diagram 7 1 Indoor Main PCB DB92 04839A ...
Page 62: ...62 SAMSUNG ELECTRONICS 7 2 Outdoor PCB DB92 04837A ...
Page 63: ...63 SAMSUNG ELECTRONICS ...
Page 67: ...67 SAMSUNG ELECTRONICS 8 5 DISPLAY PCB DB92 04833B ...