LG R410A Service Manual page 179

Error
Error Contents
Code
Communication
error between the
108
Main PCB and the
fan PCB
Error
Error Contents
Code
Sensor error at
the outdoor Liquid
113
Refrigerant pipe
Error
Error Contents
Code
114(Main
Sensor error at
Sub cool
the outdoor sub
inlet)
cooling inlet or
115(Main
outlet
Sub cool
outlet)
I Defect inspection method
1) Check the temp sensor connector connecting condition and lead wire.
2) Is the temp sensor resistance value normal? Otherwise, replace the sensor
- Pipe temp sensor : 10°C = 10kΩ : 25°C = 5kΩ : 50°C = 1.8kΩ
3) In case the sensor connection and the resistance value is correct then replace the outdoor PCB .
Meaning
Communication error
between the Main PCB
and the fan PCB
(Fan › outdoor , outdoor ›
fan )
Meaning
Abnormal value of Sensor
measurement
(Open/Short)
Meaning
Abnormal value of the sen-
sor measurement
(Open/Short)
Main Causes
Refer to CH105
Main Causes
1. Defective temp sensor connector
connection
2. Defective temp sensor Open/Short)
3. Defective outdoor PCB
Main Causes
1. Defective temp sensor connector
connection
2. Defective temp sensor
(Open/Short)
3. Defective outdoor PCB
Troubleshooting Guide
Error display
position
Error display
position
Concerned
Remote
Controller
Outdoor unit
Error display
position
Concerned
Remote
Controller
Outdoor unit
Service Manual 179