Evi Out Temperature Sensor Error (Open/Short) - Samsung AM080 XV Series Service Manual

Troubleshooting

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

Outdoor unit
display
Duct, Cassette (1/2 Way),Console, Celing
Operation Defrost
Indoorunit
display
×
※ ●: ON ◑: Flash ×: OFF
Judgment
∙ Refer to the judgment method below.
Method
Cause of
∙ Disconnection or breakdown of relevant sensor.
problem
1. Cause of problem
Outdoor EVI OUT sensor
connector (CN44) connected to PCB?
Separate the connector of the Outdoor EVI Out
Temperature sensor from the PCB and measure the
resistance value between the 2 terminals.
Is the resistor value matching with
"NOTE1" table?
Restart operation after replace the PCB
4-46
Timer Fan Filter/MPI Operation Defrost
× ◑ ◑ ◑
Yes
Yes
Cassette (4/Mini4 Way)
× ◑
No
Restart operation after connecting
the connector to PCB
Resistance value measure part
Temperature(°C)
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
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
Samsung Electronics
Turbo
◑ ◑
EVI-OUT