Carrier 42QHG009D8SH Installationshandbuch Seite 12

CAUTION
● Before changing the filter or cleaning, turn
off the unit and disconnect its power supply.
● When removing filter, do not touch metal
parts in the unit. The sharp metal edges can
cut you.
● Do not use water to clean the inside of the
indoor unit. This can destroy insulation and
cause electrical shock.
● Do not expose filter to direct sunlight when
drying. This can shrink the filter.
Air filter reminders (optional)
Air filter cleaning reminder
After 240 hours of use, the display window on
the indoor unit will flash "cl." This is a reminder
to clean your filter. After 15 seconds, the unit will
revert to its previous display.
To reset the reminder, press the led button on
your remote control 4 times, or press the manual
control button 3 times. If you don't reset the
reminder, the "cl" indicator will flash again when
you restart the unit.
Air filter replacement reminder
After 2,880 hours of use, the display window on
the indoor unit will flash "nf." This is a reminder to
replace your filter. After 15 seconds, the unit will
revert to its previous display.
To reset the reminder, press the led button on
your remote control 4 times, or press the manual
control button 3 times. If you don't reset the
reminder, the "nf" indicator will flash again when
you restart the unit.
CAUTION
● Any maintenance and cleaning of outdoor
unit should be performed by an authorized
dealer or a licensed service provider.
● Any unit repairs should be performed by
an authorized dealer or a licensed service
provider.
Page 12-GB
Maintenance – long periods of non-use
If you plan not to use your air conditioner for an
Extended period of time, do the following:
Clean all filters
Turn off the unit and
disconnect the power
Maintenance – pre-season inspection
After long periods of non-use, or before periods of
frequent use, do the following:
Check for damaged wires
Check for leaks
Make sure nothing is blocking all air inlets and outlets
Turn on FAN function until
unit dries out completely
Remove batteries from
remote control
Clean all filters
Replace batteries