Samsung AM032MNQDCH/AA Service Manual page 294

Troubleshooting
4-4-51 EVI In Temperature sensor error (Open/Short)
Outdoor unit display
Indoor unit display
Judgment Method ∙ Refer to the judgment method below.
Cause of problem ∙ Disconnection or breakdown of relevant sensor.
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.
Did the resistance value
significantly stray from the following
Restart operation after replace the PCB
4-94
(Operation) ×(Reservation)
the PCB?
Yes
temperature table?
Yes
(Blast) ×(Filter) ×(Defrost)
No
Restart operation after connecting
the connector to PCB
Resistance value
measurement
Temperature(°C)
EVI-IN
No
Replace this part as it is the defective of the
Outdoor EVI In Temperature sensor itself.
EVI-IN
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
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