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Airflow is restricted.

 

Make sure there are no curtains, blinds, or furniture blocking the front of 

the air conditioner.

TROUBLESHOOTING

Problem

Possible Causes & Corrective Action

Air conditioner 

does not start.

Air conditioner 

freezing up.

Water drips 

outside.

Air conditioner 

does not cool as it 

should.

The air conditioner is unplugged.

 

Make sure the air conditioner plug is pushed completely into the outlet.

The fuse is blown/circuit breaker is tripped.

 

Check the house fuse/circuit breaker box and replace the fuse or reset the 

breaker.

restored, wait 3 minutes to restart the air conditioner to prevent ng of the 

Power failure.

 

If power failure occurs, turn the mode control to off. When power is 
compressor overload.

The air filter is dirty.

 

Clean the filter at least every 2 weeks. See the 'MAINTENANCE (Cleaning 

the Air Filter)' section.

The cooling coils are iced over.

 

Ice may block the air flow and obstruct the air conditioner from properly 

cooling the room. Set the Fan Speed High at Fan or Cool mode.

The temp control may not be set correctly.

 

Set the desired temperature to a level lower than the current temperature.

Cold air is escaping.

 

Check for open fumace floor registers and cold air returns.

Cooling coils have iced up.

 

See 'Air conditioner freezing up' below.

 

Hot, humid weather.

 

This is normal.

room to cool down.

The room may have been hot.

 

When the air conditioner is first turned on, you need to allow time for the 

21

EN

Summary of Contents for W081CE SU0

Page 1: ... ENGLISH Read this owner s manual thoroughly before operating the appliance and keep it handy for reference at all times MODELS W081CE SU0 MFL70643101 MFL70643101 Rev 03_092820 www lg com Copyright 2018 2020 LG Electronics Inc All Rights Reserved ...

Page 2: ... Breaker Installation 14 Drainage Optional 15 Space for Outside Air Flow 15 Unit Installation 16 OPERATION 16 Control Panel and Remote Control 17 Wireless Remote Control 18 Ventilation 18 Air Direction 18 Slinger Fan 13 Installation Overview 14 How to Install the Unit 20 TROUBLESHOOTING 20 Before Calling for Service 20 Normal Sounds You May Hear 19 MAINTENANCE 19 Air Filter ...

Page 3: ... You may be injured or cause damage to the product if you do not follow instructions All safety messages will tell you what the potential hazard is tell you how to reduce the chance of injury and tell you what may happen if the instructions are not followed EN The following symbols are displayed on units This symbol indicates that this appliance uses a flammable refrigerant If the refrigerant is i...

Page 4: ...se a dedicated circuit Do not disassemble or modify the product Adhere to all industry recommended safety procedures including the use of long sleeved gloves and safety glasses Use care when unpacking and installing The edges of the product may be sharp Disconnect the power cord or circuit breaker before installing or servicing the appliance Keep packaging materials out of the reach of children Th...

Page 5: ...sulated and the wall receptacle is grounded to make sure the receptacle is properly grounded Disconnect the power cord from the adapter using one hand on each Otherwise the adapter ground terminal might break Do not use the appliance with a broken adapter plug Situations when the appliance will be disconnected often Do not use an adapter plug in these situations Unplugging the power cord frequentl...

Page 6: ...ppliance Do not use waxes thinners or harsh detergents Do not step on or place heavy objects on top of the appliance Do not drink water drained from the appliance are used simultaneously Remove the batteries if the remote control is not to be used for an extended period of time Never mix different types of batteries or old and new batteries for the remote control consult a doctor Do not recharge o...

Page 7: ...the area around the equipment is to be surveyed to make sure that there are no flammable hazards or ignition risks No Smoking signs shall be displayed No ignition sources Ensure that the area is in the open or that it is adequately ventilated before breaking into the system or conducting any hot work A degree of ventilation shall continue during the period that the work is carried out The ventilat...

Page 8: ...lly safe components are the only types that can be worked on while live in the presence of a flammable atmosphere The test apparatus shall be at the correct rating Replace components only with parts specified by the manufacturer Other parts may result in the ignition of refrigerant in the atmosphere from a leak Repair to intrinsically safe components Cabling will not be subject to wear corrosion e...

Page 9: ...le In addition to conventional charging procedures the following requirements shall be followed Charging procedures Before carrying out this procedure it is essential that the technician is completely familiar with the equipment and all its detail It is recommended good practice that all refrigerants are recovered safely Prior to the task being carried out an oil and refrigerant sample shall be ta...

Page 10: ...rigerants In addition a set of calibrated weighing scales shall be available and in good working order Hoses shall be complete with leak free disconnect couplings and in good condition Before using the recovery machine check that it is in satisfactory working order has been properly maintained and that any associated electrical components are sealed to prevent ignition in the event of a refrigeran...

Page 11: ... for example an operating electric heater The appliance shall be stored in a well ventilated area where the room size corresponds to the room area as specified for operation current valid certificate from an industry accredited assessment authority which authorises their Technical Safety Any person who is involved with working on or breaking into a refrigerant circuit should hold a competence to h...

Page 12: ...rator 2 Air Guide 3 4 Shround 5 Compressor 6 Condenser 7 Base Pan Power Cord 1 Control Panel 2 Remote Control 3 Air Filter 4 5 6 Front Grille 7 8 Cabinet Air Outlet 1 2 3 4 5 6 7 7 8 6 1 4 5 3 2 Horizontal Air Deflector Vertical Louver Vertical Air Deflector Horizontal Louver ...

Page 13: ...river Level Pencil Tape measure Cutting knife Scissors Read thoroughly and follow all directions provided A circuit breaker must be installed between the power source and the unit if the plug is not used see illustration below NOTE Use 15 A circuit breaker INSTALLATION Main Power source Circuit Breaker Use a circuit breaker or time delay fuse ...

Page 14: ...ight tilt Fence Awning Heat radiation Cooled air CAUTION The external grille must be exposed outside for air discharge 10 15 mm Over 50 cm Foam 70 150 cm Level 1 4 Bubble CAUTION Take care when inserting the drain pipe Push away from the sharp edge to avoid slipping and injuring yourself 1 Remove the rubber cap from the hole under the base pan and pushing 2 Press the drain pipe into the hole by ha...

Page 15: ...5 BRICK CUT AWAY TO CLEAR LOUVRES 45 BRICK CUT AWAY TO CLEAR LOUVRES BRICK WALL AIR IN AIR IN BRICK WALL AIR OUT TOP VIEW OPTION B CAUTION The power cord must be connected to an independent circuit The green wire must be grounded Stuff the foam around the unit to prevent air and insects from getting into the room The Foam Around the unit ...

Page 16: ...he fan circulates air but the compressor does not run Use the Fan Speed Nivel Vent button to set fan speed to High Medium or Low In this mode you cannot adjust the set temperature Dry Deshum This mode is ideal for rainy and damp days to dehumidify the room rather than cooling it significantly Humidity is removed from the room by the combination of compressor operation and the fan speed fixed at Lo...

Page 17: ...ecrease temperature setting 6 Remote Control Sensor Clean Filter The Clean Filter Limpieza Filtro LED lights up to notify you that the filter needs to be cleaned After cleaning the filter press Temp and together on the control panel to turn off the Clean Filter Limpieza Filtro light NOTE control panel not the remote control This feature is a reminder to clean the air light turns on after 250 hours...

Page 18: ...ertical louvers to the left or right Direction up or down NOTE When the weather is extremely hot the unit may turn off automatically to protect the compressor Slinger Fan This air conditioner is equipped with a slinger fan See drawing The fan s outer ring picks up the condensed water from the base pan if the water level gets high enough The water is then picked up by the fan and expelled through t...

Page 19: ...detergent solution Wash the cabinet with mild soap or detergent and lukewarm water then polish using liquid appliance wax NOTE condenser coils outside of unit should be To ensure continued peak efficiency the checked periodically and cleaned if clogged with soot or dirt from outside air For repair and maintenance contact a LG Electronics Customer Information Center See the warranty card for detail...

Page 20: ...you may hear the sound of rushing air being moved by the fan Today s high efficiency compressors may have a high pitched chatter during the cooling cycle 3 Gurgle Hiss Gurgling or hissing noise may be heard due to refrigerant passing through evaporator during normal operation 4 Vibration Unit may vibrate and make noise because of poor wall or window construction or incorrect installation 5 Pinging...

Page 21: ...e Power failure If power failure occurs turn the mode control to off When power is compressor overload The air filter is dirty Clean the filter at least every 2 weeks See the MAINTENANCE Cleaning the Air Filter section The cooling coils are iced over Ice may block the air flow and obstruct the air conditioner from properly cooling the room Set the Fan Speed High at Fan or Cool mode The temp contro...

Page 22: ...eas with little humidity normal for a longer period in very humid areas from the cabinet front to the rear Dirty air filter air restricted Clean air filter Noise when unit is Room too cold cooling Window vibration poor installation Refer to installation instructions or check with installer Air movement sound This is normal If too loud set to lower FAN Speed Remote control not located within range ...

Page 23: ...Sor Juana Inés de la Cruz No 555 Col San Lorenzo Industrial Tlalnepantla de Baz Estado de México C P 54033 Página web http www lg com mx Tel 55 5321 1919 ...

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