LG Electronics LG3ZMSS316 Owners Guide

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Part 5. Trouble Shooting

- 84 -

Only for training and service purposes

LGE Internal Use Only

Display

code

Title Cause of error Check point & Normal condition

High temperature in out-

door Cond. Pipe

• Overload operation (Out-

door fan constraint,

screened, blocked)

• Outdoor unit heat ex-

changer contaminated

• EEV connector displaced

/ poor EEV assembly

• Poor Cond. Pipe sensor

assembly / burned

• Check outdoor fan constraint / screened / flow

structure

• Check if refrigerant overcharged

• Check the status of EEV assembly

• Check the status of sensor assembly / burn

CN- C/PIPE

(Violet 3Pin Connector)

Replace the Thermistor

Yes

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.

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LG Electronics LG3ZMSS316 Quad Zone Mini Split System with 30,000 BTU, Integrated Base Pan Heater, Auto