LG LSN120HSV4 - High temperature in Discharge pipe of the inverter compressor

Part 5. Trouble Shooting
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Display
code
Title Cause of error Check point & Normal condition
32
High temperature in Dis-
charge pipe of the inverter
compressor
• Overload operation (Out-
door fan constraint,
screened, blocked)
• Refrigerant leakage (in-
sufficient)
• Poor INV Comp Dis-
charge sensor
• LEV connector displaced
/ poor LEV assembly
• Check outdoor fan constraint/ screened/ flow
structure
• Check refrigerant leakage
• Check if the sensor is normal
• Check the status of EEV assembly
CN- DISCHARGE
(BLACK 3Pin Connector)
Replace the Thermistor
Yes
CN_TH3
(RED 4Pin Connector)
WARNING
Before checking PCB or each outdoor electric parts, wait for 3 minutes after the power is off. When measuring at standby state
of power supply, after checking the measurement mode of the meter, be careful of the short-circuits with other parts.