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22

Troubleshooting Guide

Before contacting the service center, check the following. It will save your time and the
expense of an unnecessary call. 

Explanation/Solution

Check if the circuit breaker of the air conditioner is switched on.

Check if the air conditioner is turned on. If necessary, press the 

button on the remote control.

Check if the Timer indicator on the indoor unit is on. 

If so:
- Wait until the set time is reached and the air conditioner starts 

automatically. 

- Cancel the Timer. (See pages 16 and 17 for further details)

Check if there are no obstacles in front of the indoor unit. 

Check the remote control batteries.

Make sure that you are within 7 meters from the indoor unit.

Check if you are pointing the remote control at the remote control 
sensor on the right side of the indoor unit. 

Replace the remote control batteries if necessary.

Check if the correct operating mode has been selected 
(Auto, Cool).

The room temperature may be too low.

Check if the air filter is dirty; refer to page 23 for cleaning instructions.

Check that there is no obstacle in front of the outdoor unit.

Check if the mode is set to the Auto, Cool or Fan mode; 
in the Dry mode, the fan speed changes automatically.

Check if the air conditioner has been turned on; if necessary, press
the       button on the remote control.

Check if the timer is set correctly; see pages 16 and 17.

You can use the Fan mode to ventilate your room.

Problem

The air conditioner does not 
operate. 

The air conditioner does not
operate with the remote control.

No beep is heard when you press
the       on the remote 
control.

The air conditioner does not cool.

The fan speed does not change
when you press the          button.

The airflow direction does not 
change when you press the

button.

The timer is not correctly triggered.

Odor permeates into the
room during operation.

Summary of Contents for AST18WJWB/UMG

Page 1: ...it type Air Conditioner Cooling Acondicionador de aire de tipo partido Enfriamiento Climatiseur de type Split R frig ration ESPA OL FRAN AIS AST18WJWB AST18WJWE AST24W6WB AST24W6WE Indoor unit UST18WJ...

Page 2: ...e Use the remote control within 7 meters from the indoor unit If applicable WARNING DURING OPERATION Never store or load the air conditioner upside down or sideways to prevent the damage of the compre...

Page 3: ...Selecting the Energy Saving Function 14 Adjusting the Airflow Direction Vertically 15 Adjusting the Airflow Direction Horizontally 15 Setting the On Timer 16 Setting the Off Timer 17 Setting the Slee...

Page 4: ...pe can be changed according to the model Indoor Unit Air filter under the grille Airflow blades outlet Air Inlet Power On Off button Power On Off button Turbo indicator Red Operation indicator Green T...

Page 5: ...E 5 ENGLISH Outdoor Unit UST18WJWB UST18WJWE Air Inlet Rear Air Outlet Connection Valve Air Inlet Rear Air Outlet Connection Valve Outdoor Unit UST24W6WB UST24W6WE...

Page 6: ...t Cancel button Fan speed indicator Airflow direction On Timer indicator Off Timer indicator Turbo function indicator Sleep mode indicator Energy saving indicator Power On Off button Temperature adjus...

Page 7: ...1 2 Close the cover by sliding it back in its place 3 Use two AAA LR03 1 5V batteries Do not use old batteries or different kinds of batteries together Batteries may be completely discharged after 12...

Page 8: ...tioner It will help you take full advantage of the unit s features You have already seen the basic description of the unit on pages from 4 to 6 Starting up with the next page you will find a series of...

Page 9: ...t beeps each time you press the button The air conditioner runs in the Auto mode The Auto mode cools the room depending on the set temperature 2 You can change modes at any time If necessary press the...

Page 10: ...n the Cool mode 2 You can change modes at any time N N N No o o ot t t te e e e Press the button to adjust the temperature until the required temperature is displayed You can set the temperature betwe...

Page 11: ...an set the temperature between 16 C and 30 C Result Each time you press the button The temperature is adjusted by 1 C The indoor unit beeps The air conditioner starts dehumidifying and the fan speed i...

Page 12: ...th Turbo fan speed The indoor unit beeps Press the button to select the fan speed until the required setting is displayed Low Medium High Result Each time you press the button the indoor unit beeps 3...

Page 13: ...er is reset automatically to the previous setting You can select the Turbo function in the Auto and Cool mode If you select this function in the Dry or Fan mode the mode changes to the Auto mode 2 Pre...

Page 14: ...r conditioner runs in the Energy saving mode The outer airflow blade moves up and down To stop the Energy saving mode press the again 2 Press the button to adjust the temperature until the required te...

Page 15: ...o ot t t te e e e If you turn the air conditioner Then the blade off is closed completely on set to the default position 1 Press the button to move the blade up and down automatically during operatio...

Page 16: ...aining time is displayed The timer indicator stops blinking The selected mode and the temperature on the display disappear after 10 seconds The air conditioner turns on automatically at the appointed...

Page 17: ...n to complete the setting Result The remaining time is displayed The timer indicator stops blinking The air conditioner turns off automatically at the appointed time and the Off Timer setting disappea...

Page 18: ...of 2 C the tempera ture is maintained for 4 hours To Cancel the Sleep Timer Press the button to cancel the Sleep Timer Result The indoor unit beeps The indicator is no longer displayed The air conditi...

Page 19: ...ns off after an hour automatically 1 Press the button until the desired mode is displayed at the remote control to select the mode after setting the 1 Hour Timer Result The air conditioner operates in...

Page 20: ...power failure occurs when the air conditioner is operating the air conditioner turns off When the power returns the air conditioner starts up again automatically Protection mechanism When the air con...

Page 21: ...evels Water may condense and drip from the surface of the indoor unit if you don t use the air conditioner for a long time Operating Your Air Conditioner Without the Remote Control You can operate you...

Page 22: ...lace the remote control batteries if necessary Check if the correct operating mode has been selected Auto Cool The room temperature may be too low Check if the air filter is dirty refer to page 23 for...

Page 23: ...t tabs of the grille 1 Pull air filters out of each tab of the grille 2 Remove all dust on the air filters with a vacuum cleaner or brush 3 When you finish insert air filters by fixing them to each ta...

Page 24: ...om You should clean the filters every 3 months Open the upper front grille by pulling the lower right and left tabs of the grille 1 Pull out the deodorizing and Bio filter 2 Wash the filters with clea...

Page 25: ...ENGLISH E 25 Technical Specifications Model Indoor unit AST18WJWB AST24W6WB AST18WJWE AST24W6WE 220V 60Hz 220 240V 50Hz Power Supply...

Page 26: ...Printed in Korea ELECTRONICS THIS AIR CONDITIONER IS MANUFACTURED BY ESTE AIRE ACONDICIONADO HA SIDO FABRICADO POR CE CLIMATISEUR EST FABRIQUE PAR...

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