Samsung AR18KSWSJWKNCV - Outdoor Detailed Inspection Procedure

11-4 Samsung Electronics
11-2-4 Outdoor detailed inspection procedure
No Procedure Inspection Method Cause
1
Plug out and pull the PCB out of
the co
ntrol box
Check the PCB fuse
(Wait 3 minutes after power off)
1) Is 1st fuse disconnected?
. Over current
. AC part and pattern short of Out
door
PBA
2 Check the W
iring
1) Is the Compressor wire connected clock-
wise?
2) Is the Reactor wire connected normal?
3) Is the Fan wire connected normal?
4) Is the 4way wire connected normal?
5) Is the sensor wire connected normal?
6) Is the EEV wir
e connected normal?
. Wrong assembly
. Installation(service) condition is bad
3
"Supply po
wer and operate the
set
(Use Remote-control, button in
indoor set)"
Check the po
wer voltage
1) Is the voltage between Terminal block L-N
200Vac~240Vac?
. Power cord is faulty, Wrong Power cable
Wiring
2) Is the C006 voltage 200Vac~240Vac?
. Fuse open
. L,N,F1,F2 wire wrong wiring (Terminal
Block-PBA
)
2) Is the CN150 voltage 200Vac~240Vac?
. Power circuit is faulty
. Load short
4) Is the PFC050(#26-#27) voltage
200Vac~240Vac after 3 minutes later?
. Fuse open
. L,N,F1,F2 wir
e wrong wiring (Terminal
Block-PBA)
. PTC020 open
. RY021, RY022 is faulty
. Outdoor Micom(IC201) error
5) Is the CE101 voltage 280Vdc~320dc
after 3 minutes later?
. PFC050 is faulty
. Reactor wire is wr
ong connection
. Power circuit is faulty, Load short
. BLDC Fan motor error
6) Is the voltage CN151 #1-#2 voltage 15V
dc?
. Switching Trans of Power circuit is faulty
. Load short
7) Is the voltage CN152 #1-#2 voltage 12Vdc?
. Switching Trans of Power circuit is faulty
. Load shor
t
8) Is the voltage CN151 #3-#2 voltage 5Vdc?
. Switching Trans of Power circuit is faulty
. Load short
4 Check the LED lamp display
1) Normal : RED on, GRN blink, YEL o
2) Abnormal
-
All o : check no power
- abnormal display : check error mode
. F1,F2 wire wrong wiring
. Outdoor PBA is faulty