Outdoor Temperature Sensor Error - Samsung AM080xXV Series Service Manual

Troubleshooting

4-3-17 Outdoor Temperature Sensor Error

Outdoor unit
display
Duct, Cassette (1/2 Way),Console, Celing
Operation Defrost Timer Fan Filter/MPI Operation Defrost Timer Filter Operation Timer Turbo 24℃
Indoorunit
◑
display
※ ●: ON ◑: Flash ×: OFF
Judgment
∙ Refer to the judgment method below.
Method
Cause of
∙ Outdoor temperature sensor Open/Short is defective.
problem
1. Cause of problem
Is the outdoor
temperature sensor connector (CN43)
connected to PCB?
After separating the outdoor temperature
sensor connector from the PCB, measure
the resistance value between the terminals.
Did the resistance
value significantly stray from the following
temperature table?
Restart operation after replace the PCB
4-38
× × ◑ ×
Yes
Yes
Cassette (4/Mini4 Way)
◑ ◑
×
No
Restart operation after connecting
the connector to the PCB.
Resistance value measure part
OUT
CN43 (7, 8)
No
Replace this since it is the defective of
the outdoor temperature sensor itself.
Wall-mounted (NeoForte)
× ◑ ×
×
Temperature (°C) Resistance (KΩ)
70
60
50
40
30
20
10
0
-10
Samsung Electronics
27℃
◑ ×
OUT
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0