Samsung AR24CSDADWKNCV Service Manual page 92

10-2-4 Outdoor detailed inspection procedure
No. Procedure
Plug out and pull the PCB
out of the control box. Check
1
the PCB fuse (Wait 3 minutes
after power off)
2 Check the Wiring
"Supply power and operate
3 the set (Use Remote-con-
trol, button in indoor set)"
Check the LED lamp
display
4
Inspection Method
1) Is 1st fuse disconnected?
1) Is the Compressor wire connected
clockwise?
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 wire connected normal?
Check the power voltage
1) Is the voltage between Terminal
block L-N
200Vac~240Vac?
2) Is the C006 voltage
200Vac~240Vac?
3) Is the CN150 voltage
200Vac~240Vac?
4) Is the PFC050(#26-#27) voltage
200Vac~240Vac after 3 minutes
later?
5) Is the CE101 voltage
280Vdc~320dc after 3 minutes
later?
6) Is the voltage CN151 #1-#2
voltage 15Vdc?
7) Is the voltage CN152 #1-#2
voltage 12Vdc?
8) Is the voltage CN151 #3-#2
voltage 5Vdc?
1) Normal : RED on, GRN blink,
YEL off
2) Abnormal
- All o check no power
- abnormal display : check error
mode
92
Cause
• Over current
• AC part and pattern short
of Outdoor PBA
• Wrong assembly
• Installation(service)
condition is bad
• Power cord is faulty, Wrong
Power cable Wiring
• Fuse open
• .L,N,F1,F2 wire wrong wiring
(Terminal Block-PBA)
• Power circuit is faulty
• Load short
• Fuse open
• L,N,F1,F2 wire wrong wiring
(Terminal Block-PBA)
• .PTC020 open
• .RY021, RY022 is faulty
• Outdoor Micom(IC201) error
• PFC050 is faulty
• Reactor wire is wrong
connection
• Power circuit is faulty, Load
short
• BLDC Fan motor error
• Switching Trans of Power
circuit is faulty
• Load short
• Switching Trans of Power
circuit is faulty
• Load short
• Switching Trans of Power
circuit is faulty
• Load short
• F1,F2 wire wrong wiring
• Outdoor PBA is faulty