LG mfl68802402 Owner'S Manual Download

Page: 51 / 58

ENGLISH

MAINTENANCE

WARNING

•

Turn off the power and unplug the power cord before you perform any maintenance; otherwise it may cause

electric shock.

If the air conditioner will not be used for an extended period of time, dry the air conditioner to maintain it in best

condition. Clean the product regularly to maintain optimal performance and to prevent possible breakdown.

•

Dry the air conditioner in Fan mode for 3 to 4 hours and disconnect the power. There may be internal damage
if moisture is left in its components.

•

Before using the air conditioner again, dry the inner components of the air conditioner in Fan mode for 3 to 4
hours. This will help to remove the odor generated from moisture.

Air Filter

•

The feature may be changed according to the type of model.

Summary of Contents for mfl68802402

Page 1: ...OWNER S MANUAL Please read this manual carefully before operating your set and retain it for future reference TYPE WALL MOUNTED AIR CONDITIONER www lg com P NO MFL68802402 ENGLISH ...

Page 2: ...irection 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 con ditioner 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 weak...

Page 3: ... circuit breaker and fuse conforming with the rating of the air conditioner Fail ure 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 ...

Page 4: ...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 elec tric shock or product failure Contact an authorized service center when the air conditioner is submerged into water ...

Page 5: ...ditioner 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 se rious 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 o...

Page 6: ... automatically at a set time 13 Turning off air conditioner automati cally at a set time 13 Canceling timer setting 13 Setting sleep mode 14 ADVANCED FUNCTIONS 14 Changing room temperature quickly 14 Indoor air purification 15 Auto operation 15 Auto Changeover operation 16 Energy saving cooling mode 16 Display screen brightness 16 Operating the air conditioner without the remote control 17 Restart...

Page 7: ...amp Air outlet Air deflector Vertical louver Horizontal vane Signal receiver NOTE The number of operation lamps and their locations may vary depending on the model of the air conditioner 7 BEFORE USE ENGLISH Indoor unit The feature can be changed according a type of model ...

Page 8: ...an be changed according a type of model Operation ranges The table below indicates the temperature ranges the air conditioner can be operated within Air inlet vents Air outlet vents Base plate Connection wire Drain hose Coolant piping Mode Indoor temperature outdoor temperature Cooling 18 C 32 C 10 C 48 C Heating 16 C 30 C 10 C 24 C ...

Page 9: ... fan speed button Adjusts the fan speed f A C D B Operation mode selection button Se lects the operation mode Cooling operation A Auto operation or auto changeover C Dehumidifying operation D Heating operation B M N Jet cooling heating button Warms up or cools down the indoor temperature within a short period of time i Air flow direction button Adjusts the air flow direction vertically k S Tempera...

Page 10: ...holder by fastening the 2 screws firmly with a screwdriver or using adhered double sided adhesive tape 3 Slide the remote control into the holder Point the remote control towards the signal receiver at the bottom of the air conditioner to operate it The feature can be changed according a type of model NOTE If the display screen of the remote con trol starts to fade replace the batteries NOTE The r...

Page 11: ...select the cooling operation A is displayed on the display screen 3 Press G or H to set the desired temper ature The temperature range is 18 C 30 C 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 temper ature The temperature range is 16 C 30 C Removing humidi...

Page 12: ...sing the 1 Touch soft air Comfort Vane operation The comfort vane option conveniently sets the vane to a preset position that deflects the supply air away from blowing directly onto room occupants 1 Press to turn on the power 2 Press repeatedly and select the de sired direction or is displayed on the display screen NOTE Pressing f or M during comfort vane operation will turn off the comfort vane f...

Page 13: ...e hour up to 7 hours 4 Press p to finish T is displayed on the display screen in sleep mode Turning on air conditioner au tomatically at a set time 1 Press m The icon below flickers at the bottom of the display screen 2 PressEorFto select the minutes 3 Press p to finish 4 When setting the timer current time and ON icon are displayed on the display screen indicating that the desired time is set Tur...

Page 14: ... C for 30 minutes Indoor air puriﬁcation Auto Clean operation In the cooling and dehumidifying operations moisture is generated inside the indoor unit Use the auto cleaning function to remove such moisture 1 Press to turn on the power 2 Press H J is displayed on the display screen If you turn off the power the fan oper ates for 30 minutes and cleans the inside of the indoor unit NOTE In Air Circul...

Page 15: ... Press f repeatedly to select the auto changeover operation C is displayed on the display screen 3 Press G or H to set the desired temper ature The temperature range is 18 C 30 C 4 Press g repeatedly to select the fan speed NOTE This function may not be supported depending on the model Auto operation Artiﬁcial intelligence In this mode the fan speed and the tempera ture adjust automatically based ...

Page 16: ...1 Open the front cover Lift up both sides of the cover slightly 2 Press the On Off button For cooling and heating models the oper ation mode changes depending on the room temperature For cooling only models the temperature is set to 22 C NOTE This function may not be supported depending on the model During Energy Saving Cooling mode temperature shown at the unit display may be different with the o...

Page 17: ...r 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 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 w...

Page 18: ...ot be provided depending on the model The feature can be changed according to type of model Type Description Interval Air filter See Cleaning the filter 2 weeks Indoor unit Clean the Indoor unit surface by using a soft dry cloth Regularly Clean the condensate drain pipe Every 4 months Clean the condensate drain pan Once a year Thoroughly clean the heat exchanger Once a year Replace the remote cont...

Page 19: ... 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 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 energ...

Page 20: ...ged or gener ating excessive heat A switch a circuit breaker safety ground or a fuse is not operated properly The air conditioner does not work The air conditioner is unplugged Check whether the power cord is plugged into the outlet A fuse is blown or the power supply is blocked Replace the fuse or check if the circuit breaker has tripped A power failure has occurred Turn off the air conditioner w...

Page 21: ... a heat generator such as an electric oven or a gas burner while the air conditioner is in operation Air circulation opera tion 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 Outside tempera ture is too high The cooling effect may not be sufficient The air conditioner does ...

Page 22: ...Mist is discharged from the air outlet of the indoor unit The cooled air from the air condi tioner makes mist When the room temperature is down this phenomenon will disap pear Water leaks from the outdoor unit In the heating operations con densed water drop from the heat exchanger This symptom need to install drain hose under the base pan Contact the installer Operating noise or vibration Clicking...

Page 23: ...GLISH OWNER S MANUAL AIR CONDITIONER Read this owner s manual thoroughly before operating the appliance and keep it handy for reference at all times TYPE WALL MOUNTED www lg com MFL69489601 Rev 01_021816 ...

Page 24: ...ode Function 17 Using the Fan Speed Function 18 Using the Air Flow Direction Function 18 Setting the On Off Timer 19 Using the Sleep Function Optional 20 Using the Simple Timer Function Optional 20 Using the Energy Display Function Optional 21 Using the Light Off Function Optional 21 Using the Comfort Air Function Optional 22 Using the Energy Saving Function Optional 22 Using the Energy Control Fu...

Page 25: ...to persons when using this product follow basic precautions including the following Children in the Household 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 Chil...

Page 26: ... the power cable connecting the indoor and outdoor units are not pulled too tight when installing the air conditioner Use standard circuit breaker and fuse that conform to the rating of the air conditioner Do not input air or gas into the system except with the specific refrigerant Use non flammable gas nitrogen to check for leak and to purge air using compressed air or flammable gas may cause fir...

Page 27: ... gas etc ventilate sufficiently before using the air conditioner again To clean the interior contact an authorized service center or dealer Using harsh detergents may cause corrosion or damage to the unit Be sure to ventilate sufficiently when the air conditioner and a heating appliance such as a heater are used simultaneously Do not block the inlet or outlet of air flow Do not insert hands or oth...

Page 28: ... be replaced the replacement work shall be performed by authorized personnel using only genuine replacement parts This appliance must be properly grounded to minimize risk of electric shock Do not cut or remove the grounding prong from the power plug Attaching the adapter ground terminal to the wall receptacle cover screw does not ground the appliance unless the cover screw is metal uninsulated an...

Page 29: ...it is directly exposed to sunlight via the windows Safely dispose of packing materials such as screws nails or batteries using proper packaging after installation or repair Install the air conditioner in a place where the noise from the outdoor unit or the exhaust fumes will not inconvenience the neighbors Failure to do so may result in conflict with the neighbors Operation Remove the batteries if...

Page 30: ...he water drained from the air conditioner Do not use the product for special purposes such as preserving foods works of art and etc It is an air conditioner for consumer purposes not a precision refrigeration system There is risk of damage or loss of property Do not recharge or disassemble the batteries Maintenance Never touch the metal parts of the air conditioner when removing the air filter Use...

Page 31: ...eriod of time Open windows regularly for ventilation The indoor air quality may deteriorate if the air conditioner is used for long durations 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 Parts and Functions Indoor Unit Outdoor Unit 1 Air Filter under the panel 2 Air Intake 3 Front Cover ...

Page 32: ...oose a safe and easily accessible location 2 Fix the holder by fastening 2 screws firmly with a screwdriver Operating method Point the remote control towards the signal receiver at the right side of the air conditioner to operate it NOTE The remote control may operate other electronic devices if it is directed towards them Make sure to point the remote control towards the air conditioner signal re...

Page 33: ...ioner 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 1 Open the front cover Type1 or horizontal vane Type2 2 Press the ON OFF button Type1 ON OFF Type2 ON OFF NOTE The stepping motor may be broken if the horizontal vane opens rapidly The fan speed is set to high The feature may be changed according t...

Page 34: ...temperature in cooling heating or auto changeover mode MODE To select the cooling mode To select the heating mode To select the dehumidification mode To select the fan mode To select the auto changeover auto operation mode JET MODE To change room temperature quickly FAN SPEED To adjust the fan speed To adjust the air flow direction vertically or horizontally NOTE buttons may be changed according t...

Page 35: ...on the indoor unit ROOM TEMP To display the room temperature C F 5sec To change unit between C and F ENERGY SAVING To minimize power consumption COMFORT AIR To adjust the air flow to deflect wind kW 3sec To set whether or not to display information regarding energy ENERGY CTRL To bring the effect of the power saving COMFORT SLEEP To make the comfortable sleep environment DIAGNOSIS 5sec To convenie...

Page 36: ...humidity quickly To maintain a minimum room temperature and prevent objects in the room from freezing To operate air conditioner under the previously set power consumption To remove moisture generated inside the indoor unit To make the comfortable sleep environment RESET To Initialize the remote control settings NOTE Some functions may not be supported depending on the model buttons may be changed...

Page 37: ...ature may be changed according to the type of model 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 cooling air for 18 minutes and then returns to factory default settings Using the Mode Function This function allows you to select the desired function Cooling Only Model Cooling M...

Page 38: ... the display screen NOTE In this mode you cannot adjust the room temperature it is adjusted automatically The room temperature is not displayed on the display screen Fan Mode This mode only circulates the indoor air without changing the room temperature 1 Turn the appliance on 2 Press MODE button repeatedly to select the Fan Mode is displayed on the display screen 3 Press FAN SPEED button to adjus...

Page 39: ... Mode Function Changing Room Temperature Quickly This function allows you to cool indoor air quickly during the summer or warm it quickly during winter Cooling Heating model The Jet Mode function is available with Cooling Heating and Dehumidification Mode Cooling Only model The Jet Mode function is available with Cooling Dehumidification Fan Auto Operation Mode and Air Purification function 1 Turn...

Page 40: ...he direction of the air flow vertically horizontally Press button repeatedly and select the desired direction Select to adjust the direction of the air flow automatically 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 pre...

Page 41: ...below blinks at the bottom of the display screen 2 Press SET CANCEL button to cancel the setting Setting the Off Timer 1 Press ptly button repeatedly The icon below blinks at the bottom of the display screen 2 Press or button to select the minutes 3 Press SET CANCEL button to finish After setting the timer current time and icon are displayed on the display screen indicating that the desired time i...

Page 42: ... Dehumidification Mode the temperature increases by 1 C after 30 minutes and additional 1 C after another 30 minutes for a more comfortable sleep The temperature increases up to 2 C from the preset temperature Although the remark for fan speed on the display screen may be changed the fan speed is adjusted automatically Using the Simple Timer Function Optional This function turns off the air condit...

Page 43: ...old it about 3 seconds twice The cumulative power consumption kWh kW is displayed for a while on some indoor units NOTE It is not displayed on the wireless remote control kW refers to instantaneous power consumption kWh refers to cumulative power consumption If it is more than 99 kW h which is the range of expression maintain it as 99 kW h Power off resets its value Display wattage under 10 W with...

Page 44: ...on is disabled and auto swing of vertical direction is set up when you press SWING 5sec button When this function is off the horizontal vane operates automatically depending on the set mode Using the Energy Saving Function Optional This function minimizes power consumption during Cooling and increases the set temperature to the optimal level for a more comfortable environment The temperature autom...

Page 45: ... The power Input is decreased by 60 compared to rated power input is displayed on the display screen 1 step 2 step is displayed on some indoor units This function is available with Cooling Mode Capacity may decrease when Energy Control mode is selected Desired temperature is displayed about 5 sec if you press FAN SPEED or button Room temperature is displayed about 5 sec if you press ROOM TEMP butt...

Page 46: ...its To keep your skin moisturized by generating ion clusters To lower indoor humidity quickly To maintain a minimum room temperature and prevent objects in the room from freezing To operate air conditioner under the previously set power consumption To remove moisture generated inside the indoor unit To make the comfortable sleep environment NOTE Some functions may not be supported depending on the...

Page 47: ...e control display Using the Silent Function This function prevents potential claims by neighbors reducing noise from outdoor units is displayed on the display screen NOTE This function is disabled when you press MODE or ENERGY CTRL or JET MODE button This function is available with Cooling Heating Auto Changeover Auto Operation Mode Using the Ion Care Function This function keeps your skin moistur...

Page 48: ...uring LH operation this function is disabled and Power Heating Mode is operated immediately only for power heating model In case an error occurred operation can be interrupted for the protection of the product COMFORT AIR and button cannot be used while the LH function is in operation Using the Auto Clean Function In the Cooling and Dehumidification Mode moisture is generated inside the indoor uni...

Page 49: ...ure doesn t decrease to optimal temperature to sleep It is possible that a comfortable sleep environment is different according to the people Smart Appliance Connectivity Using the Wi Fi Pairing Function Optional Once it is connected to the internet through a home Wi Fi network you can control the appliance remotely with the application for the smart phone Press and hold the kW 3sec and JET MODE b...

Page 50: ...product life 1 Search and download LG A C Smart Diagnosis in Google play or App store 2 Click the Receive button on the main screen on your phone 3 Press and hold the ROOM TEMP button about 5 seconds aim at the indoor unit 4 Hold your phone close to the indoor unit Buzzer beeps will be received by your phone 5 Confirm the received information on your phone NOTE Be sure to keep ambient noise to a m...

Page 51: ...lean the product regularly to maintain optimal performance and to prevent possible breakdown Dry the air conditioner in Fan mode for 3 to 4 hours and disconnect the power There may be internal damage if moisture is left in its components Before using the air conditioner again dry the inner components of the air conditioner in Fan mode for 3 to 4 hours This will help to remove the odor generated fr...

Page 52: ... Have a professional clean the heat exchanger coils and the panel vents Consult with technician Once a year Have a professional clean the fan Once a year Have a professional clean the condensate drain pan Once a year Have a professional verify that all the fan assembly is firmly tightened Once a year Clean the electric components with air Once a year CAUTION Never use water that is higher than 40 ...

Page 53: ...kewarm water with neutral detergent 5 Dry the filters in the shade 6 Insert the hooks of the air filters into the front cover 7 Check the side of the front cover for correct assembly of the air filters Type2 If you look at the indoor unit from above it can assemble the top filter easily 1 Turn off the power and unplug the power cord 2 Hold the knob of air filter lift it up slightly 3 Remove it fro...

Page 54: ... the 3M and Triple filters from the indoor unit Type1 Type2 4 Clean the filters with a vacuum cleaner 5 Insert the 3M and Triple filters Type1 Type2 6 Assemble the air filters 7 Check the side of the front cover for correct assembly of the air filters NOTE The feature and location of 3M and Triple filter may vary according to the type of model ...

Page 55: ...ch a circuit breaker safety ground or a fuse is not operated properly The unit generates an error code from its self diagnosis The air conditioner does not work The air conditioner is unplugged Check whether the power cord is plugged into the outlet or the power isolators are switched on A fuse exploded or the power supply is blocked Replace the fuse or check if the circuit breaker has tripped A p...

Page 56: ...he indoor air Switch the operation mode to cooling operation Outside temperature is too high The cooling effect may not be sufficient The fan speed cannot be adjusted The Jet Mode or Auto Operation Mode is selected In some operation modes you cannot adjust the fan speed Select an operation mode in which you can adjust the fan speed The temperature cannot be adjusted The Fan Mode or Jet Mode is sel...

Page 57: ...ner These are normal symptoms The noise will stop The indoor unit gives off an odor Odors such as cigarette smoke may be absorbed into the indoor unit and discharged with airflow If the smell does not disappear you need to wash the filter If this does not work contact the service center to clean your heat exchanger The air conditioner does not emit warm air When Heating Mode starts the vane is alm...

Page 58: ...Memo ...

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