Samsung AM080BXMDGH/EU - 4-3-25 EVI Out Temperature sensor error (Open;Short)

Troubleshooting
Samsung Electronics 4-35
4-3-25 EVI 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.
Cause of problem
Did the connector for
the EVI Out Temperature sensor break away
from the PCB?
Did the resistance value
significantly stray from the following
temperature table?
Separate the connector of the Outdoor EVI Out
Temperature sensor from the PCB and measure the
resistance value between the 2 terminals.
Restart operation after replace the PCB
Restart operation after connecting
the connector to PCB
Replace this part as it is the defective of the
Outdoor EVI Out Temperature sensor itself.
No
No
Yes
Yes
Temperature(°C)
70
60
50
40
30
20
10
0
-10
Resistance(KΩ)
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0
Resistance value measure part
EVI-OUT
EVI-OUT
Duct, Cassette (1/2 Way),Console, Celing Cassette (4/Mini4 Way) Wall-mounted (NeoForte)
Operation
Defrost Timer Fan Filter/MPI
Operation
Defrost Timer Filter
Operation
Timer Turbo
24℃ 27℃
◑ × × ◑ × ◑ × ◑ × ◑ × × ◑ ×
※ ● : ON ◑ : Flash × : OFF