LG | KSNH2465NA5.KMBBEXP | LG KSUH1264NA0.KMBBEXP Owner’s Manual

OWNER’S MANUAL
AIR
CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
TYPE : WALL MOUNTED
The equipment complies with requirements of the Technical Regulation,
in terms of restrictions for the use of certain dangerous substances in
electrical and electronic equipment.
P/NO : 54011 Rev.:
www.lge.com
2
TIPS FOR SAVING ENERGY
TIPS FOR SAVING ENERGY
Here are some tips that will help you minimize the power consumption when you use the air
conditioner. You can use your air conditioner more efficiently by referring to the instructions
below:
• Do not cool excessively indoors. This may be harmful for your health and may consume more
electricity.
• Block sunlight with blinds or curtains while you are operating the air conditioner.
• Keep doors or windows closed tightly while you are operating the air conditioner.
• Adjust the direction of the air flow vertically or horizontally to circulate indoor air.
• Speed up the fan to cool or warm indoor air quickly, in a short period of time.
• Open windows regularly for ventilation as the indoor air quality may deteriorate if the air conditioner is used for many hours.
• Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block
the air flow or weaken the cooling / dehumidifying functions.
For your records
Staple your receipt to this page in case you need it to prove the date of purchase or for warranty
purposes. Write the model number and the serial number here:
Model number :
Serial number :
You can find them on a label on the side of each unit.
Dealer’s name :
Date of purchase :
IMPORTANT SAFETY INSTRUCTIONS
3
IMPORTANT SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.
Always comply with the following precautions to avoid dangerous situations and ensure peak
performance of your product
! WARNING
It can result in serious injury or death when the directions are ignored
! CAUTION
It can result in minor injury or product damage when the directions are ignored
! WARNING
• Installation or repairs made by unqualified persons can result in hazards to you and others.
• Air conditioner Shall be installed in accordance with national wiring regulations.
• If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or
similarly qualified persons in order to avoid a hazard.
• The information contained in the manual is intended for use by a qualified service technician
familiar with safety procedures and equipped with the proper tools and test instruments.
• Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death.
• This appliance is not intended for use by persons (including children) with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance by a person responsible for
their safety.
• Children should be supervised to ensure that they do not play with the appliance.
• When the power cord is to be replaced, replacement work shall ve performed by authorized
personnel only using only genuine replacement parts.
Installation
• Use a standard circuit breaker and fuse conforming with the rating of the air conditioner. Failure to do so may result in electric shock or product failure.
• Contact an authorized service center when you install or relocate the air conditioner. Failure to
do so may result in serious injury or product failure.
• Always use a power plug and socket with a ground terminal. Failure to do so may result in
electric shock or product failure
• Install the panel and the cover of the control box safely. Failure to do so may result in explosion or fire.
• Install a dedicated electric outlet and circuit breaker before you use the air conditioner. Failure
to do so may result in electric shock or product failure.
• Use a standard circuit breaker and fuse conforming with the rating of the air conditioner. Failure to do so may result in electric shock or product failure.
• Do not modify or extend the power cable. If the power cable or cord has scratches or skin
peeled off or deteriorated then it must be replaced. It may result in fire or electric shock.
• Be cautious when you unpack or install the air conditioner. Failure to do so may result in serious injury or product failure.
• Contact an authorized service center when you install or relocate the air conditioner. Failure to
do so may result in serious injury or product failure.
4
IMPORTANT SAFETY INSTRUCTIONS
• Do not install the air conditioner on an unstable surface or where there may be a danger of it
falling. It may result in death, serious injury, or product failure.
• Use inflammable gas (nitrogen) to inspect leak and to purge air, using compressed air or flammable gas may cause fire or explosion.
Operation
• Do not let the air conditioner run for a long time when the humidity is very high or when a door or
window has been left open. Failure to do so may result in product failure.
• Make sure that the power cord is not pulled or damaged while the air conditioner is operating. Failure to do so may result in fire, electric shock, or product failure.
• Do not place any objects on the power cord. It may result in electric shock or product failure.
• Do not turn on or off the air conditioner by plugging in or unplugging the power plug. It may result in
fire or electric shock.
• Do not touch, operate or repair the air conditioner with wet hands. It may result in electric shock or
product failure.
• Do not place a heater or other heating appliances near the power cable. It may result in fire, electric
shock, or product failure.
• Do not allow water to run into the air conditioner. It may result in explosion or fire.
• Do not leave flammable substances such as gasoline, benzene and thinner near the air conditioner.
It may result in explosion or fire.
• Do not use the air conditioner for an extended period of time in a small place without ventilation.
Ventilate the place regularly. Failure to do so may result in explosion or fire.
• When there is a gas leak, ventilate sufficiently before using the air conditioner again. Failure to do so
may result in explosion or fire.
• Unplug the power plug if there is a noise, smell or smoke coming from the air conditioner. Failure to
do so may result in explosion or fire.
• Stop operating and close the window in strom or hurricane. If possible remove the product from the
window before hurricane arrives
• Do not touch the electrostatic filter after opening the front grille. Failure to do so may result in electric shock or product failure.
• Contact an authorized service center when the air conditioner is submerged into water due to flooding. Failure to do so may result in explosion or fire.
• Be cautious water could not enter the product.
• Make sure to ventilate sufficiently when this air conditioner and a heating appliance such as a heater
are used simultaneously. Failure to do so may result in fire, serious injury, or product failure.
• Turn the main power off and unplug the power plug when you clean or repair the air conditioner.
Failure to do so may result in death, serious injury, or product failure.
• Unplug the power plug when the air conditioner is not used for an extended period of time. Failure
to do so may result in product failure.
• Do not place any objects on the air conditioner. It may result in product failure.
! WARNING
• For inner cleaning, contact an Authorized Service Center or a dealer. Do not use harsh detergent
that causes corrosion or damage on the unit. Harsh detergent may also cause failure of product, fire,
or electronic shock.
SAFETY PRECAUTIONS
5
! CAUTION
Installation
• Make sure to check if there is a refrigerant leak after you install or repair the air conditioner. Failure
to do so may result in product failure.
• Install the drain hose properly for smooth drainage of condensed water. Failure to do so may result
in product failure.
• Keep level even when installing the product.
• Install the air conditioner where the noise from the outdoor unit or the exhaust gas will not inconvenience the neighbors. Failure to do so may result in conflict between neighbors.
• When transporting the equipment, there should be at least 2 or more people, or a forklift. It may result in serious injury.
• Do not install the air conditioner where it will be exposed to sea wind (salt spray) directly. It may result in product failure.
Operation
• Do not expose people, animals or plants to the cold or hot wind from the air conditioner. It may result in serious injury.
• Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a consumer air conditioner, not a precision refrigeration system. It may result in death, fire or electric
shock.
• Do not block the inlet or outlet of air flow. It may result in explosion or product failure.
• Do not use strong cleaning agents or solvents when you clean the air conditioner, or spray water.
Use a smooth cloth. It may result in serious injury or product failure.
• Never touch the metal parts of the air conditioner when you remove the air filter. It may result in serious injury or product failure.
• Do not place any objects on the air conditioner. It may result in product failure.
• Always insert the filter securely after cleaning. Clean the filter every two weeks or more often if
necessary.
• Do not insert hands or other objects through the air inlet or outlet while the air conditioner is operating. It may result in electric shock.
• Do not drink the water drained from the air conditioner. It may result in serious health complications.
• Use a sturdy stool or ladder when you clean, maintain or repair the air conditioner at a height. Failure
to do so may result in serious injury or product failure.
• Do not mix the batteries for the remote control with other types of batteries or mix new batteries
with used batteries. Failure to do so may result in product failure.
• Do not recharge or disassemble the batteries. Failure to do so may result in explosion, fire or serious
injury.
• Stop using the remote control if there is a battery fluid leak. If your cloth or skin is exposed to the
battery fluid from a leak, wash it off with clean water. Failure to do so may result in serious injury.
• If you swallow the battery fluid from a leak, wash out the inside of your mouth thoroughly and then
consult a doctor. Failure to do so may result in serious health complications.
6
TABLE OF CONTENTS
TABLE OF CONTENTS
2 TIPS FOR SAVING ENERGY
13 ADVANCED FUNCTIONS
13
Changing room temperature quickly
13
Indoor air purification
13
- Auto Clean operation
14
7 BEFORE USE
Plasma (Ionizer) Purification operation
(Optional)
14
Auto operation (Optional)
7
Components
14
Auto Changeover operation (Optional)
8
Using the remote control
15
Display screen brightness
9
- Inserting batteries
15
9
- Installing the remote control holder
Operating the air conditioner without the
remote control
15
Restarting the air conditioner
automatically
3 IMPORTANT SAFETY
INSTRUCTIONS
10 BASIC FUNCTIONS
10
Cooling your room
10
Heating your room
10
Removing humidity
16 MAINTENANCE
17
Cleaning the air filter
17
Cleaning the 3M filter (Optional)
18
Cleaning the plasma filter (Optional)
11
Airing your room
11
Adjusting the fan speed
11
Adjusting the air flow direction
11
Setting the timer
11
- Setting the current time
19
Self-diagnosis function
12
- Turning on the air conditioner
automatically at a set time
19
Before requesting service
12
- Turning off the air conditioner
automatically at a set time
12
- Canceling the timer setting
12
- Setting sleep mode
19 TROUBLESHOOTING
BEFORE USE
BEFORE USE
Components
Indoor unit
Air Inlet
Front Panel
3MGJMUFSPS1MBTNBGJMUFS
(Optional)
Air Filter
Signal Receptor
* The feature can be changed according to type of model.
!
NOTE
The number of operation lamps and their locations may vary, depending on the model of the
air conditioner.
Outdoor unit
Air Inlet
Connecting
Wires
Piping
Air Outlet
Base Plate
* The feature can be changed according to type of model.
Drain Hose
7
8
BEFORE USE
Using the remote control
You can operate the air conditioner more conveniently with the remote control. You will find the
buttons for the additional functions under the cover of the remote control.
Wireless remote control
Control Display
panel
screen
Display
screen
3/$60$
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JET
DE
a
F
Plasma (Ionizer) button*: Purifies the
air by removing particles that enter
the indoor unit.
l
=
Sleep mode auto button*: Sets the
sleep mode auto operation.
_
$872
&/($1
)$1
63(('
Control
panel
Description
Temperature adjustment buttons:
Adjusts the room temperature when
cooling and heating.
|
-
g
L
f
Indoor fan speed button: Adjusts the
fan speed.
Operation mode selection button*: Selects the operation mode.
A C Cooling operation (A) / Auto operation
D B E or auto changeover (C) / Dehumidifying operation (D) / Heating operation
(B) / Air circulation (E)
M
DE
On/Off button: Turns the power on/off.
Jet cooling/heating button*: Warms up
or cools down the indoor temperature
within a short period of time.
IJ Air flow direction button: Adjusts the air
flow direction vertically or horizontally.
\
-
k
S
Adjusts the brightness of the indoor
unit display.
Temperature display button: Displays
the room temperature. Also changes unit
from °C to °F if pressed for 5 seconds.
m n z Timer button: Sets the current time
and the start / end time.
Navigation and functions button*:
Sets the special functions.
J: Auto clean
O
J
p
-
Set/clear button: Sets or cancels functions.
r
-
Reset button: Resets the air conditioner settings.
* Some functions may not be supported, depending on the
model.
BEFORE USE
Inserting batteries
Insert batteries before using the remote
control. The battery type used is AAA (1.5 V).
1 Remove the battery cover.
9
2 Fix the holder by fastening the 2 screws
firmly with a screwdriver.
3 Slide the remote control into the holder.
2 Insert the new batteries and make sure
that the + and - terminals of the batteries
are installed correctly.
Operating method
3 Reattach the battery cover.
!
Point the remote control towards the signal
receiver at the bottom of the air conditioner to
operate it.
NOTE
If the display screen of the remote control
starts to fade, replace the batteries.
Installing the remote control holder
Install the holder where there is no direct sunlight to protect the remote control.
1 Choose a safe and easily-accessible place.
!
NOTE
• The remote control may operate other
electronic devices if pointed towards
them. Make sure to point the remote
control towards the signal receiver of
the air conditioner.
• For proper operation, use a soft cloth to
clean the signal transmitter and receiver.
10 BASIC FUNCTIONS
BASIC FUNCTIONS
Cooling your room
Removing humidity
(Cooling operation)
1 Press | to turn on the power.
2 Press f repeatedly to select the cooling
(Dehumidifying operation)
operation.
- A is displayed on the display screen.
This mode removes excess moisture from an
environment with high humidity or in the rainy
season, in order to prevent mold from setting
in. This mode adjusts the room temperature
and the fan speed automatically to maintain
the optimal level of humidity.
1 Press | to turn on the power.
2 Press f repeatedly to select the dehumidifying operation.
- D is displayed on the display screen.
3 Press G or H to set the desired temperature.
- The temperature range is 18°C (64°F) ~
30°C (86°F).
Heating your room
(Heating operation)
1 Press | to turn on the power.
2 Press f repeatedly to select the heating
operation.
- B is displayed on the display screen.
3 Press G or H to set the desired temperature.
- The temperature range is 16°C (60°F) ~
30°C (86°F).
!
NOTE
Cooling-only models do not support this
function.
!
NOTE
• In this mode you cannot adjust the desired temperature, as it is adjusted automatically. Also, the desired temperature
is not displayed on the display screen.
BASIC FUNCTIONS
Airing your room
(Air Circulation operation)
This mode only circulates the indoor air
without changing the room temperature.
1 Press | to turn on the power.
2 Press f repeatedly to select the air circulation operation.
- E is displayed on the display screen.
Adjusting the air flow direction
1 To adjust the direction of the flow verti-
cally, i press change the air flow direction automatically.
- This function is apply for only turn On/Off.
2 To adjust the direction of the flow horizontally, press E change the air flow direction automatically.
- This function is apply for only turn On/Off.
!
3 Press g to adjust the fan speed.
Adjusting the fan speed
1 Press g repeatedly to adjust the fan
speed.
- Select 5 if you want natural air.
The fan speed adjusts automatically.
Remark
Speed
11
NOTE
• Adjusting the air flow direction horizontally may not be supported, depending
on the model.
• Adjusting the air deflector arbitrarily may
cause product failure.
• If you restart the air conditioner, it starts
to operate with the previously set direction of air flow, so the air deflector may
not match the icon displayed on the remote control. When this occurs, press
D or E to adjust the direction of the
air flow again.
Setting the timer
You can use the timer function to save energy
and to use the air conditioner more efficiently.
High
Setting the current time
Medium
Low
Natural Wind
1 Press p and hold it for longer than 3 seconds.
- The AM/PM icon flickers at the bottom of
the display screen.
12 BASIC FUNCTIONS
2 Press E or F to select the minutes.
3 Press p to finish.
Canceling the timer setting
1 Press p.
- To cancel all timer settings, press p.
Turning on the air conditioner
automatically at a set time
1 Press m.
- The icon below flickers at the bottom of
the display screen.
2 Press E or F to select the minutes.
3 Press p to finish.
4 When setting the timer, current time and
Setting sleep mode
Use the sleep mode to turn off the air conditioner automatically when you go to sleep.
1 Press | to turn on the power.
2 Press l
3 Press E or F to select the hour
(up to 7 hours).
4 Press p to finish.
- T is displayed on the display screen in
sleep mode.
ON icon are displayed on the display
screen indicating that the desired time is
set.
Turning off the air conditioner automatically at a set time
1 Press n.
- The icon below flickers at the bottom of
the display screen.
2 Press E or F to select the minutes.
3 Press p to finish.
4 When setting the timer, current time and
OFF icon are displayed on the display
screen indicating that the desired time is
set.
!
NOTE
In the Cooling and Dehumidifying modes,
the temperature increases by 1°C after 30
minutes and by a further 1°C after another
30 minutes for a more comfortable sleep.
The temperature increases with up to 2°C
from the preset temperature.
ADVANCED FUNCTIONS 13
ADVANCED FUNCTIONS
The air conditioner offers some additional advanced functions.
Indoor air purification
Auto Clean operation
Changing room temperature
quickly
(Jet Cool/Heat operation)
This mode allows you to cool indoor air quickly
in summer or warm it quickly in winter.
1 Press | to turn on the power.
2 Press M.
In the cooling and dehumidifying operations,
moisture is generated inside the indoor unit.
Use the auto cleaning function to remove
such moisture.
1 Press O.
- J is displayed on the display screen.
- If you turn off the power, the fan operates for 30 minutes and cleans the inside
of the indoor unit.
- In jet cooling mode, strong air blows out
at a temperature of 18°C (64°F) for 30
minutes.
- In jet heating mode, strong air blows out
at a temperature of 30°C (86°F) for 30
minutes.
!
NOTE
• In Air Circulation, Auto, or Auto
Changeover mode, this function cannot
be used.
• This function may not be supported, depending on the model.
!
NOTE
Some buttons cannot be used while the
auto cleaning function is in operation.
14 ADVANCED FUNCTIONS
Plasma *POJ[FS
1urification
operation (Optional)
Code Description
2 Cool
1 Cool slightly
0 Maintain
room
temperature
-1 Heat slightly
-2 Heat
Ion particles from Plasmaster Ionizer developed by LG sterilize the aerial bacteria and
other harmful substances.
1 Press | to turn on the power.
2 Press a.
- F is displayed on the display screen.
!
NOTE
• In this mode, you cannot adjust the fan
speed, but you can set the air deflector
to rotate automatically.
• This function may not be supported, depending on the model.
!
!
NOTE
• You can use this function by pressing
a without turning the air conditioner
on.
• This function may not be supported, depending on the model.
• Do not touch Plasmaster ionizer during
operation
Auto operation
Auto Changeover operation
This mode changes the operation mode automatically to maintain the set temperature
at ±2°C .
1 Press | to turn on the power.
2 Press f repeatedly to select the auto
changeover operation.
- C is displayed on the display screen.
(Artificial intelligence)
Cooling-only models
In this mode, the fan speed and the temperature adjust automatically, based on the room
temperature.
1 Press | to turn on the power.
2 Press f repeatedly to select auto operation.
3 Press G or H to select the desired operation code if the temperature is higher or
lower than the desired temperature.
3 Press G or H to set the desired temperature.
- The temperature range is 18°C (64°F) ~
30°C (86°F).
4 Press g repeatedly to select the fan
speed.
!
NOTE
This function may not be supported,
depending on the model.
ADVANCED FUNCTIONS 15
Display screen brightness
You can adjust the brightness of the indoor
unit display screen.
1 Press
\ to turn on/off the lamp on the
front grill.
!
- For cooling-only models, the temperature
is set to 22°C (71.6°F).
Restarting the air conditioner
automatically
NOTE
This function may not be supported,
depending on the model.
Operating the air conditioner
without the remote control
You can use the On/Off button of the indoor
unit to operate the air conditioner when the
remote control is unavailable. However, the
fan speed is set to high.
1 Press the On/Off button.
When the air conditioner is turned on again
after a power failure, this function restores
the previous settings. This function is a factory default setting.
Disabling auto restart
1 Press the On/Off button and hold it for 6
seconds.
- The unit will beep twice and the lamp will
blink 6 times.
ON/OFF
button
* The feature can be changed according to
type of model.
ON/OFF
button
* The feature can be changed according to
type of model.
- For cooling and heating models, the operation mode changes, depending on the
room temperature.
Operation
mode
Room temp.
Set temp.
Below
21°C(69.8°F)
24°C(75.2°F)
Heating
operation
Above
21°C(69.8°F)
And
Below
24°C(75.2°F)
23°C(73.4°F)
Dehumidifying operation
Above
24°C(75.2°F)
22°C(71.6°F)
Cooling
operation
- To re-enable the function, press the On/
Off button and hold it for 6 seconds. The
unit will beep twice and the blue lamp will
blink 4 times.
!
NOTE
If you press and hold the On/Off button
for 3 – 5 seconds instead of 6 seconds,
the unit will switch to the test operation.
In the test operation, the unit blows out
strong air for cooling for 18 minutes and
then returns to the factory default settings.
MAINTENANCE
16
MAINTENANCE
Clean the product regularly to maintain optimal performance and to prevent possible breakdown.
* This may not be provided, depending on the model.
3MGJMUFSPS1MBTNBGJMUFS
(Optional)
Air Filter
* The feature can be changed according a type of model.
Item
Cleaning interval
Air filter
3M Filter*
Plasma Filter*
2 weeks
1 months
Plasmaster ionizer*
6 months
Indoor unit surface
Regularly
Outdoor unit
Regularly
3 months
Cleaning method
See “Cleaning air filter.”
See “Cleaning 3M Filter“
See “Cleaning the Plasma Filter“
See “Cleaning the Plasmaster ionizer“
Use a soft, dry cloth. Do not use bleach or
abrasives.
Use steam to clean the heat exchanger coils
and the panel vents (consult with technician).
Cleaning the Plasmaster Ionizer(Optional)
• Turn off the power and unplug the power cord.
• Use dry cotton bud to remove any dust.
Note : The plasmaster ionizer may not be included in some models.
! CAUTION
• Turn off the power and unplug the power cord before you perform any maintenance; otherwise it may cause electric shock.
• Never use water that is hotter than 40°C when you clean the filters. It may cause deformation or discoloration.
• Never use volatile substances when you clean the filters. They may damage the surface of
the product.
• Do not washed the 3M filter with water, because the filter can be damaged.
!
NOTE
• The location and shape of the filters may differ, depending on the model.
• Make sure to clean the heat exchanger coils of the outdoor unit regularly, as dirt collected
in the coils may decrease the operational efficiency or increase energy costs.
MAINTENANCE
Cleaning the air filter
Clean the air filter once every 2 weeks or
more if necessary.
1 Turn off the power and unplug the power
cord.
2 Open the front cover.
- Lift up both sides of the cover slightly.
* The feature can be changed according a
type of model.
3 Hold the knob of the air filter, lift it up
slightly and remove it from the unit.
Cleaning the 3M Filter
(Optional)
1 Turn off the power and unplug the power
cord.
2 Open the front cover and remove the air
filter (see “Cleaning air filter”).
3 Pull out the 3M Filter
* The feature can be changed according a
type of model.
4 Use a vacuum cleaner to remove dirt, Do
not wash the 3M Filter with water, because
the filter can be damaged.
!
* The feature can be changed according a
type of model.
4 Clean the filter with a vacuum cleaner or
with warm water.
- If dirt is difficult to remove, wash the filter
in lukewarm water with detergent.
5 Dry the filter in the shade.
17
NOTE
• We suggest changing the 3M Filter
every 6 Months
• The location of the filters may differ,
depending on the model.
• If you need more filters, please contact
the LG service center (Refer to the
warranty card)
18
MAINTENANCE
Cleaning the plasma filter
(Optional)
1 Turn off the power and unplug the power
cord.
2 Open the front cover and remove the air
filter (see “Cleaning air filter”).
3 Remove the plasma filter in 10 seconds.
* The feature can be changed according to
type of model.
4 Use a vacuum cleaner to remove any dirt.
- If dirt is difficult to remove, wash the filter
with lukewarm water.
5 Dry the filter in the shade.
!
NOTE
• The location of the filters may differ, depending on the model.
• The plasma filter may not be included in
some models.
TROUBLESHOOTING
1
TROUBLESHOOTING
Self-diagnosis function
This product has a built-in self-diagnosis function. If an error occurs, the lamp of the indoor unit
will blink in 2 second intervals. If this occurs, contact your local dealer or service center.
Before requesting service
Please check the following before you contact the service center. If the problem persists, contact
your local service center.
Problem
Possible causes
Corrective action
-
Turn off the air conditioner, unplug the
power cord and contact the service center.
The air conditioner is
unplugged.
Check whether the power cord is plugged
into the outlet.
There is a burning smell and
a strange sound coming
from the unit.
Water leaks from the indoor
unit even when the humidity
level is low.
The power cord is damaged
or generating excessive
heat.
A switch, a circuit breaker
(safety, ground) or a fuse is
not operated properly.
A fuse is blown or the
Replace the fuse or check if the circuit
power supply is
breaker has tripped.
blocked.
The air conditioner does not A power failure has
work.
occurred.
The voltage is too
high or too low.
Turn off the air conditioner when a power
failure occurs. When the power is restored,
wait 3 minutes, and then turn on the air
conditioner.
Check if the circuit breaker has tripped.
The air conditioner
turned off automati- Press the power button again.
cally at a preset time.
20 TROUBLESHOOTING
Problem
Possible causes
Corrective action
Air is not circulating
properly.
Make sure that there are no curtains,
blinds or furniture blocking the front of the
air conditioner.
The air filter is dirty.
Clean the air filter once every 2 weeks.
See “Cleaning Air Filter” for more information.
The room temperature is too high.
In summer, it may take some time to cool
indoor air. In this case, select the jet cool
operation to cool indoor air quickly.
The air conditioner does not Cold air is escaping
from the room.
generate cool air.
Make sure that no cold air is escaping
through ventilation points in the room.
The desired temperaSet the desired temperature to a level
ture is higher than the
lower than the current temperature.
set temperature.
There is a heating
source nearby.
Avoid using a heat generator such as an
electric oven or a gas burner while the air
conditioner is in operation.
Air circulation operation is selected.
In the air circulation operation, air blows
from the air conditioner without cooling or
heating the indoor air. Switch the operation mode to the cooling operation.
It is not possible to adjust
the fan speed.
In some operation modes, such as the jet
The auto operation,
or dehumidifying operation modes, you
jet operation or dehucannot adjust the fan speed. Select an opmidifying operation is
eration mode in which you can adjust the
selected.
fan speed.
It is not possible to adjust
the temperature.
In some operation modes, such as the air
The air circulation op- circulation or jet operation mode, you cannot adjust the temperature. Select an operation or jet operaeration mode in which you can adjust the
tion is selected.
temperature.
Operation ranges
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