LG LP1013WNR - 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.
The water collection tank
is full.
Empty the water collection tank.
See the Care and Cleaning section.
FL
Short or open circuit in the
indoor air thermistor.
Unplug the air conditioner and contact your
authorized LG service center.
E1
Short or open circuit in the
indoor pipe thermistor.
Unplug the air conditioner and contact your
authorized LG service center.
E2
E4
24
The coil sensor temperature
is low, the unit will stop
and display E4 to defrost.
After defrost, the unit will re-start.