Samsung AR12HSSDPWKNEE Service Manual page 85

102-24 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
Is the power cable from
terminal block to PBA is correct?L :CN002, N:CN001,
Check the fuse open or not? (F001)
Restart after power off.
Is the power normal?
Is AC power is normal for SMPS?
CN150 : 220Vac~240Vac
Check SMPS wire connection
Samsung Electronics
EARTH:CN003
YES
YES
YES
YES
NO
Reconnect the power wire correctly.
NO
Exchange the Main PBA
NO
Check the power source.
NO
Exchange the Main PBA
MODEL
ALL
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