Evi In Temperature Sensor Error (Open/Short) - Samsung AM080 XV Series Service Manual

4-3-27 EVI In Temperature sensor error (Open/Short)

Outdoor unit
display
Duct, Cassette (1/2 Way),Console, Celing
Operation Defrost
Indoorunit
display ×
※ ●: ON ◑: Flash ×: OFF
Judgment
∙ Refer to the judgment method below.
Method
Cause of
∙ Disconnection or breakdown of relevant sensor.
problem
1. Cause of problem
sensor connector (CN44) connected
Separate the connector of the Outdoor EVI In
Temperature sensor from the PCB and measure
the resistance value between the 2 terminals.
Is the resistor value matching with
Restart operation after replace the PCB
Samsung Electronics
Timer Fan Filter/MPI Operation Defrost
× ◑ ◑
Outdoor EVI IN
to PCB?
Yes
"NOTE1" table?
Yes
Cassette (4/Mini4 Way)
◑ × ◑
No
Restart operation after connecting
the connector to PCB
Resistance value measure part
Temperature(°C)
EVI-IN
CN44 (3, 4)
No
Replace this part as it is the defective of the
Outdoor EVI In Temperature sensor itself.
Wall-mounted (NeoForte)
Timer Filter Operation Timer
◑ ◑ ●
NOTE1
Resistance(KΩ)
70 2.2
60 3.0
50 4.2
40 5.8
30 8.3
20
12.1
10 18.0
0 27.3
-10 43.0
Troubleshooting
Turbo
◑ ◑
EVI-IN
4-45