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Air Filter Reminders (Optional)
Air Filter Cleaning Reminder
After 240 hours of use, the display window on
the indoor unit will ash “CL.” This is a reminder
to clean your lter. 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 ash
again when you restart the unit.
Air Filter Replacement Reminder
After 2,880 hours of use, the display window on
the indoor unit will ash “nF.” This is a reminder
to replace your lter. 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 ash
again when you restart the unit.
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 lters
Turn on FAN function until
unit dries out completely
Turn off the unit and
disconnect the power
Remove batteries
from remote control
Maintenance –
Pre-Season Inspection
After long periods of non-use, or before periods
of frequent use, do the following:
Check for damaged wires Clean all lters
Check for leaks Replace batteries
Make sure nothing is blocking all air inlets and outlets
CAUTION
•
Before changing the lter or cleaning,
turn off the unit and disconnect its power
supply.
•
When removing lter, 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 lter to direct sunlight when
drying. This can shrink the lter.
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.
Common Issues
The following problems are not a malfunction and in most situations will not require repairs.
Issue Possible Causes
Unit does not turn
on when pressing
ON/OFF button
The Unit has a 3-minute protection feature that prevents the unit from
overloading. The unit cannot be restarted within three minutes of being
turned off.
The unit may change its setting to prevent frost from forming on the unit.
Once the temperature increases, the unit will start operating in the
previously selected mode again.
The set temperature has been reached, at which point the unit turns off the
compressor. The unit will continue operating when the temperature
fluctuates again.
The indoor unit
emits white mist
In humid regions, a large temperature difference between the room’s air
and the conditioned air can cause white mist.
Both the indoor and
outdoor units emit
white mist
When the unit restarts in HEAT mode after defrosting, white mist may be
emitted due to moisture generated from the defrosting process.
Troubleshooting
The unit changes from
COOL/HEAT mode to
FAN mode
The indoor unit makes
noises
A rushing air sound may occur when the louver resets its position.
A squeaking sound may occur after running the unit in HEAT mode due to
expansion and contraction of the unit’s plastic parts.
Both the indoor unit
and outdoor unit make
noises
Low hissing sound during operation: This is normal and is caused by refrigerant
gas flowing through both indoor and outdoor units.
Low hissing sound when the system starts, has just stopped running, or is
defrosting: This noise is normal and is caused by the refrigerant gas stopping or
changing direction.
Squeaking sound: Normal expansion and contraction of plastic and metal parts
caused by temperature changes during operation can cause squeaking noises.
SAFETY PRECAUTIONS
If ANY of the following conditions occurs, turn off your unit immediately!
• The power cord is damaged or abnormally warm
• You smell a burning odor
• The unit emits loud or abnormal sounds
• A power fuse blows or the circuit breaker frequently trips
• Water or other objects fall into or out of the unit
DO NOT ATTEMPT TO FIX THESE YOURSELF! CONTACT AN AUTHORIZED
SERVICE PROVIDER IMMEDIATELY!
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