Evi In Temperature Sensor Error (Open/Short) - Samsung AM009FN1DCH/AA Service Manual

4-4-51 EVI In Temperature sensor error (Open/Short)

Outdoor unit display
Indoorunit display
Judgment Method · Refer to the judgment method below.
· Disconnection or breakdown of relevant sensor.
Cause of problem
1. Cause of problem
Did the connector for the EVI In
Temperature sensor break away from
Separate the connector of the Outdoor EVI In
Temperature sensor from the PCB and measure
the resistance value between the 2 terminals.
significantly stray from the following
Restart operation after replace the PCB
Samsung Electronics
(Operation) ×(Reservation)
the PCB?
Yes
Did the resistance value
temperature table?
Yes
(Blast) ×(Filter) ×(Defrost)
No
Restart operation after connecting
the connector to PCB
EVI-IN
No
Replace this part as it is the defective of the
Outdoor EVI In Temperature sensor itself.
Troubleshooting
Temperature(°C) 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
EVI-IN
4-77