LG Electronics LCN240CP service manual Troubleshooting CH04

Troubleshooting Guide

TroubleshootingCH04

Display	Title	Cause of error	Check point & Normal condition
code
			• The connection of wire(Drain pump/ Float switch)
04	Drain pump	• Float switch Open.	• Drain pump power input. (220V)
	/ Float switch	(Normal : short)	• Drain tube installation.
			• Indoor unit installation. (Inclination)

CN Float

0Ω

Ω

Check the resistance

Check Point

1.Check the wire connection. (Open, Soldered poorly) → Repair the connection or change the PCB.

2.Check the resistance of float switch (Abnormal : Open, Normal : short) → Check the float switch.

3.Check the level of water

4.Check the volt. Of Drain pump power supply. (AC 230V) → Repair or Change the main PCB.

Service Manual 41