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19

EN

TROUBLESHOOTING

Before Calling for Service

The appliance is equipped with an automatic error-monitoring system to detect and diagnose problems at 

an early stage. If the appliance does not function properly or does not function at all, check the following 

before you call for service.

Normal Sounds You May Hear

2

3

4

5

1

1

High Pitched Chatter

Today’s high efficiency compressors may have a high pitched chatter during the cooling cycle.

2

Sound of Rushing Air

At the front of the unit, you may hear the sound of rushing air being moved by the fan.

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 or Swishing

Droplets of water hitting condenser during normal operation may cause pinging or swishing 

sounds.

Summary of Contents for JW-Q09WUZA

Page 1: ...ght 2020 2021 LG Electronics Inc All Rights Reserved MFL71143109 Rev 06_100821 AIR CONDITIONER Read this owner s manual thoroughly before operating the appliance and keep it handy for reference at all times OWNER S MANUAL TYPE WINDOW INVERTER ...

Page 2: ... Unit 10 Drainage Optional 10 Installation of the Unit 11 Space for Outside Air Flow 11 OPERATION 12 Control Panel and Remote Control 12 Using the Light Off Function 13 Using the Auto Clean Function 13 Wireless Remote Control 14 Air Direction 15 Slinger Fan 15 SMART FUNCTIONS 16 LG ThinQ Application 16 Smart Diagnosis 17 MAINTENANCE 18 Air Filter 18 TROUBLESHOOTING 19 Before Calling for Service 19...

Page 3: ...ay 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 The following symbols are displayed on units This symbol indicates that this appliance uses a flammable refrigerant If the refrigerant is leaked and...

Page 4: ...circumstances cut or remove the third ground prong from the power cord When installing or moving the appliance be careful not to pinch crush or damage the power cord Plug in the power plug properly Do not modify or extend the power cord Do not start stop operation by plugging unplugging the power cord Do not turn on the circuit breaker or power under condition that front grille cabinet control box...

Page 5: ... capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning the 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 The interior of the product must only be cleaned by an authorized service center or a dealer Do not use solvent based detergent on the pr...

Page 6: ...g the appliance be careful not to pinch crush or damage the power cord Make sure the air inlet and outlet are free from obstructions Use a soft cloth to clean the appliance Do not use waxes thinners or harsh detergents Do not step on or place heavy objects on top of the appliance Do not operate the appliance without the filter securely installed Do not drink water drained from the appliance Be sur...

Page 7: ...onds to the room area as specified for operation The appliance shall be stored so as to prevent mechanical damage from occurring Technical Safety Any person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry accredited assessment authority which authorises their competence to handle refrigerants safely in accordance with ...

Page 8: ...5 4 6 7 1 Control Panel 1 Evaporator 2 Remote Control 2 Air Guide 3 Air Filter 3 Control Box 4 Vertical Air Deflector Horizontal Louver 4 Condenser 5 Horizontal Air Deflector Vertical Louver 5 Compressor 6 Air Inlet 6 Base Pan 7 Front Grille 7 Power Cord 8 Cabinet 9 Air Outlet ...

Page 9: ...ug is not used see illustration below Main Power source Main Power source Circuit Breaker Circuit Breaker Use a circuit breaker or time Use a circuit breaker or time delay fuse delay fuse NOTE Use 15 A circuit breaker Installation Overview Foam Foam Drain pipe Drain pipe Tools Needed Phillips head screwdriver Flat blade screwdriver Pencil Level Tape measure Cutting knife Scissors ...

Page 10: ...evel Fence Awning Heat radiation Cooled air 10 15 mm Over 50 cm Foam 70 150 cm Level 1 4 Bubble CAUTION The external grille must be exposed outside for air discharge Drainage Optional The base pan may overflow due to high humidity To drain the excess water remove the drain cap from the base pan of the unit and secure the Drain pipe 1 Remove the rubber cap from the hole under the base pan 2 Press t...

Page 11: ...nit Around the unit NOTE Unit may be supported by a solid frame from below or by a hanger from a solid overhead support CAUTION Use an assistant to help lift the unit and set it in place Lifting and maneuvering the unit by yourself could result injury FLASH OR SEAL AROUND EXTERNAL WALL FRAME OR ARCHITRAVE STURDY TIMBER FRAME ALL ROUND UNIT DRAIN CHUTE EXTERNAL SUPPORT FRAME AT BALANCE POINT OF RAC...

Page 12: ...you cannot adjust the set temperature Dry 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 Low The compressor and fan turn off once the set temperature is reached Fan speed cannot be adjusted in Dry mode 2 Sleep Mode This mode keeps operating...

Page 13: ... Sleep and Timer settings Also set the Diagnosis if held for 5 seconds NOTE Auto Restart If the air conditioner turns off due to a power outage it will restart automatically once the power is restored with the same settings as were set before the unit turned off Energy Saver The unit defaults to the Energy Saver mode each time the unit is switched on except in Fan mode or when power is restored af...

Page 14: ... batteries are installed correctly NOTE New batteries are supplied with the air conditioner for use in the remote control Do not use a rechargeable battery Make sure that the battery is new In order to prevent discharge remove the battery from the remote control if the air conditioner is not going to be used for an extended period of time Keep the remote control away from extremely hot or humid pl...

Page 15: ...ection Touch the horizontal louvers to adjust the airflow 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 expelle...

Page 16: ...n check that f icon on the control panel is lit The appliance supports 2 4 GHz Wi Fi networks only To check your network frequency contact your Internet service provider or refer to your wireless router manual LG ThinQ is not responsible for any network connection problems or any faults malfunctions or errors caused by network connection If the appliance is having trouble connecting to the Wi Fi n...

Page 17: ...licy or app unavailability The feature may be subject to change without prior notice and may have a different form depending on where you are located Using LG ThinQ to Diagnose Issues If you experience a problem with your Wi Fi equipped appliance it can transmit troubleshooting data to a smartphone using the LG ThinQ application Launch the LG ThinQ application and select the Smart Diagnosis featur...

Page 18: ...sh the filter using lukewarm water below 40 C 104 F 3 Gently shake the excess water from the filter 4 Dry the filter in the shade 5 Insert the filter into the Front grille Cleaning the Air Conditioner Wipe the front grille and inlet grille with a cloth dampened in a mild detergent solution Wash the cabinet with mild soap or detergent and lukewarm water then polish using liquid appliance wax NOTE T...

Page 19: ...y s high efficiency compressors may have a high pitched chatter during the cooling cycle 2 Sound of Rushing Air At the front of the unit you may hear the sound of rushing air being moved by the fan 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 cons...

Page 20: ... or furniture blocking the front of the air conditioner The temp control may not be set correctly Set the desired temperature to a level lower than the current temperature The air filter is dirty Clean the filter at least every 2 weeks See the MAINTENANCE Cleaning the Air Filter section The room may have been hot When the air conditioner is first turned on you need to allow time for the room to co...

Page 21: ...ler Noise when unit is cooling Air movement sound This is normal If too loud set to lower FAN Speed Window vibration poor installation Refer to installation instructions or check with installer Room too cold Set temperature too low Increase set temperature Can t connect the LG ThinQ App to the air conditioner Air conditioner is turned off Turn the air conditioner on Wireless router is turned off T...

Page 22: ...SID is set incorrectly The wireless network name SSID should be a combination of English letters and numbers Do not use special characters The router frequency is not 2 4 GHz Only a 2 4 GHz router frequency is supported Set the wireless router to 2 4 GHz and connect the appliance to the wireless router To check the router frequency check with your Internet service provider or the router manufactur...

Page 23: ...Memo ...

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