8  MAINTENANCE
When the indication, 
 (lter) is shown on the display of the 
remote control switch, take out the air lter according to the 
indicated steps for each unit.
Do not operate the system without the air lter to protect the 
indoor unit heat exchanger against being clogged.
Turn OFF the main power switch before taking out the lter. 
(The previous operation mode may appear).
8.1  TAKE OUT THE FILTER
1  Open the air inlet grille after pushing the two knobs toward 
the arrow mark.
Knob
Air inlet grille
2  Hold the lower side of the air inlet grille keeping it inclined. 
Remove the hooks of air lter from the air inlet grille and 
remove the air lter.
Hook
Upper part of lter
Lower part of lter
Air inlet grille
Air lter
Hook
8.2  CLEAN THE FILTER
Clean the air lter according to the following steps:
1  Use a vacuum cleaner or let water ow onto the air lter for 
removing the dirt from the air lter.
! CAUTION
Do not use hot water higher than approximately 40ºC.
2  Dry the air lter in the shade after shaking o moisture.
3  Do not use cleaner or other chemicals.
4  After the air lter is dried, attach and close correctly to the air 
inlet grille.
8.3  RESET OF FILTER INDICATION
After cleaning the air lter, reset the lter sign according the remote control procedure.
MAINTENANCE
PMML0569 rev.2 - 07/202310