Samsung AM280KXVAGH/EU - EVI out Temperature Sensor Error (Open;Short)

Troubleshooting
4-46 Samsung Electronics
4-3-28 EVI Out Temperature sensor error (Open/Short)
CN44 (5, 6)
1.
Cause of problem
Outdoor EVI OUT sensor
connector (CN44) connected to PCB?
Is the resistor value matching with
“NOTE1” 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
Resistance value measure part
EVI-OUT
EVI-OUT
NOTE1
Temperature(°C)Resistance(K)
70
60
50
40
30
20
10
0
-10
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0
Outdoor unit
display
Indoorunit
display
Duct, Cassette (1/2 Way),Console, Celing Cassette (4/Mini4 Way) Wall-mount ed (NeoForte)
Operation Defr ost Timer Fan Filter/MPI Operation Defrost Timer F ilter Operation Timer Turbo
××◑◑◑ ×◑◑◑ ● ◑◑
※ ●: ON ◑: Flash ×: OFF
Judgment
Method
 Refer to the judgment method below.
Cause of
problem
 Disconnection or breakdown of relevant sensor.