LG E1823P Owner's Manual page 26

Maintenance and Service
Cleaning Filter
1. Turn off power & pull out the front panel
with both hands.
2. Support front panel using the supporter
3. Take out filter with both hands.
4. Remove the plasma filters
WARNING: Don't touch the PLASMA
Filter within 10 seconds after opening
the inlet grille, it may cause electric
shock.
26 Room Air Conditioner
5. Put the plasma filters neutral detergent
for 1~2 hours and then raise them
6. Insert the plasma filters after perfectly
drying them in shade
7. Insert air filter with both hands and
withdraw supporter.
8. Push the middle of front using two
hands.