Samsung AM072FXVAFH series - Page 145

Troubleshooting
Samsung Electronics 4-49
4-4-18 Cond Out Temperature Sensor Error (Open/Short)
 Disconnection or breakdown of relevant sensor.
 Refer to the judgment method below.
Indoorunit display
Judgment Method
Cause of problem
Outdoor unit display
1.
How to check
Yes
Is the COND OUT
sensor connector (CN43) connected
to PCB?
Did the resistance
value significantly stray from the following
temperature table?
After separating the outdoor Cond Out
sensor connector from the PCB, measur
e the
resistance value between the two terminals.
Restart operation after replace the PCB
Restart operation after connecting
the connector to the PCB.
Replace this part as it is the defective of
the
outdoor Cond Out sensor itself.
Yes
No
No
Temperature (°C)
70
60
50
40
30
20
10
0
-10
Resistance (K)
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0
Resistance value measure part
COND
COND
Duct, Cassette (1/2 Way),Console, Celing Cassette (4/Mini4 Way) Wall-mounted (NeoForte)
Operation
Defrost TimerFan Filter/MPI
Operation
Defrost Timer Filter
Operation
TimerTurbo
24℃ 27℃
◑××◑
×
◑
×
◑×◑××◑×
※ ● : ON ◑ : Flash ×: OFF