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14.4.14 F11 (Indoor Pipe Temperature Sensor Abnormality)
Malfunction Decision Conditions
• When cooling operation, when indoor pipe temperature or indoor heat exchanger temperature sensor is above
45°C.
Malfunction Caused
• Faulty connector connection.
• Faulty indoor pipe temperature sensor.
• Faulty indoor main PCB.
Troubleshooting
Sensor
(Thermistor)
Characteristic
-10 112.2 84.15
0 65.92 49.44
10 40 29.99
20 25.02 18.77
30 16.1 12.07
40 10.62 7.968
50 7.17 5.382
0
20
40
60
80
100
120
-10 0 10 20 30 40 50
Resistance(kΩ)
Temperature(°C)
Sensor(Thermistor)
Characteristics
①Pipe Temp.Sensor
②Intake Air Temp.Sensor
①
②
Sensor
(Thermistor)
Characteristic
-10 112.2 84.15
0 65.92 49.44
10 40 29.99
20 25.02 18.77
30 16.1 12.07
40 10.62 7.968
50 7.17 5.382
0
20
40
60
80
100
120
-10 0 10 20 30 40 50
Resistance(kΩ)
Temperature(°C)
Sensor(Thermistor)
Characteristics
①Pipe Temp.Sensor
②Intake Air Temp.Sensor
Sensor
(Thermistor)
Characteristic
-10 112.2 84.15
0 65.92 49.44
10 40 29.99
20 25.02 18.77
30 16.1 12.07
40 10.62 7.968
50 7.17 5.382
0
20
40
60
80
100
120
-10 0 10 20 30 40 50
Resistance(kΩ)
Temperature(°C)
Sensor(Thermistor)
Characteristics
①Pipe Temp.Sensor
②Intake Air Temp.Sensor
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