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 control box
Check the PCB fuse
(Wait 3 minutes after power off)
1) Is 1st fuse disconnected?
. Over current
. AC part and pattern short
of Outdoor
PBA
2 Check the Wiring
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 t
he EEV wire connected normal?
. Wrong assembly
. Installation(service) condition is bad
3
"Supply power and operate the
set
(Use Remote-control, button in
indoor set)"
Check the power 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
B
lock-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 wire 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 wrong connection
. Power circuit is faulty, Load short
. BLDC Fan motor error
6) Is the voltage CN151 #1-#2 voltage 15Vdc?
. Switching Trans of Power circuit is faulty
. Load short
7) Is the voltage CN152 #1-#2 voltage 12Vdc?
. Switching Trans of Power circuit is fa
ulty
. Load short
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
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