Troubleshooting
4-94
Samsung Electronics
4-4-51 EVI In Temperature sensor error (Open/Short)
1. Cause of problem
Did the connector for the EVI In
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 In
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 In 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
measurement
EVI-IN
EVI-IN
Outdoor unit display
Indoor unit display
ስ
(Operation) ×(Reservation)
ስ
(Blast) ×(Filter) ×(Defrost)
Judgment Method
∙ Refer to the judgment method below.
Cause of problem
∙ Disconnection or breakdown of relevant sensor.
