Lessar LS-HE09KLA2B, Owner'S Manual, Page: 74 / 160

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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
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 on FAN function until
unit dries out completely
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
Turn off the unit and
disconnect the power
Maintenance
–
Remove batteries
from remote control
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
“n
F
.”
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 licensed service provider.
•
Any unit repairs should be performed by
authorized dealer or licensed service provider.
Pre-Season Inspection
After long periods of non-use, or before periods
of frequent use, do the following:
Check for damaged wires Clean all filters
Check for leaks Replace batteries
Make sure nothing is blocking all air inlets and outlets