LG LP1014WNR Owner's Manual page 24

T R O U B L E S H O O T I N G
BEFORE CALLING FOR SERVICE
Code
appears in
the display.
FL
E1
E2
E4
24
The water collection tank
is full.
Short or open circuit in the
indoor air thermistor.
Short or open circuit in the
indoor pipe thermistor.
The coil sensor temperature
is low, the unit will stop
and display E4 to defrost.
Empty the water collection tank.
See the Care and Cleaning section.
Unplug the air conditioner and contact your
authorized LG service center.
Unplug the air conditioner and contact your
authorized LG service center.
After defrost, the unit will re-start.