Evi Out Temperature Sensor Error (Open/Short) - Samsung AM080FX A Series Service Manual

Troubleshooting
4-3 Appropriate Measures for Different Symptom (cont.)

4-3-28 EVI Out Temperature sensor error (Open/Short)

Outdoor unit
display
Duct, Cassette (1/2 Way),Console, Celing
Operation
Indoorunit
×
display
※ ● : ON ◑ : Flash ×: OFF
Judgment
∙ Detect according to temperature detected with the EVI-Out pipe temperature thermistor.
Method
Cause of
∙ EVI-Out temperature sensor is defective. (open/short)
problem
1. Cause of problem
Outdoor EVI OUT sensor
connector (CN44) connected to PBA?
Separate the connector of the Outdoor EVI Out
Temperature sensor from the PBA and measure the
resistance value between the 2 terminals.
Is the resistor value matching with
"NOTE1" table?
Restart operation after replace the PBA
Samsung Electronics
Defrost Timer Fan Filter/MPI
× ◑ ◑
Yes
Yes
Cassette (4/Mini4 Way)
Operation Defrost
◑ × ◑
No
Restart operation after connecting
the connector to PBA
Resistance value measure part
EVI-OUT
CN44 (5, 6)
No
Replace this part as it is the defective of the
Outdoor EVI Out Temperature sensor itself.
Wall-mounted (NeoForte)
Timer Filter Operation Timer
◑ ◑ ●
NOTE1
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
Turbo
◑ ◑
EVI-OUT
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