Evi Out Temperature Sensor Error (Open/Short) - Samsung AM017HN1DEH/EU Service Manual

Troubleshooting

4-4-54 EVI Out Temperature sensor error (Open/Short)

Outdoor unit display
Indoor unit display
Criteria ∙ 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 Out Temperature sensor break away
Separate the connector of the Outdoor EVI Out
Temperature sensor from the PCB and measure the
resistance value between the 2 terminals.
Did the resistance value
significantly stray from the following
temperature table?
Restart operation after replace the PCB
378
from the PCB?
Yes
Yes
No
Restart operation after connecting
the connector to PCB
Resistance value measure part
Temperature(°C)
EVI-OUT
No
Replace this part as it is the defective of the
Outdoor EVI Out Temperature sensor itself.
EVI-OUT
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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