En-14
Symptom
Explanation & Check points
Does not cool
The room cannot be cooled suffi ciently.
• Is the temperature setting appropriate?
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• Is the fan setting appropriate? Please change fan speed to High or
Super High.
Page 8
• Are the fi lters clean?
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• Is the fan or heat exchanger of the indoor unit clean?
• Are there any obstacles blocking the air inlet or outlet of the indoor or
outdoor unit?
• Is a window or door open?
• When a ventilation fan or a gas cooker is used in a room, the cooling
load increases, resulting in an insuffi cient cooling effect.
• When the outside temperature is high, the cooling effect may not be
suffi cient.
•
It may take a certain time to reach the setting temperature or may not
reach that depending on the size of the room, the ambient temperature,
and the like.
Airfl ow
The air from the indoor unit smells
strange.
• Are the fi lters clean?
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• Is the fan or heat exchanger of the indoor unit clean?
• The unit may suck in an odor adhering to the wall, carpet, furniture,
cloth, etc. and blow it out with the air.
Sound
Cracking sound is heard.
• This sound is generated by the expansion/contraction of the front panel,
etc. due to change in temperature.
“Burbling” sound is heard.
• This sound is heard when the outside air is absorbed from the drain
hose by turning on the range hood or the ventilation fan, making water
fl owing in the drain hose to spout out.
This sound is also heard when the outside air blows into the drain hose
in case the outside wind is strong.
Mechanical sound is heard from the
indoor unit.
• This is the switching sound in turning on/off the fan or the compressor.
The sound of water fl owing is heard.
• This is the sound of refrigerant or condensed water fl owing in the unit.
Hissing sound is sometimes heard.
• This is the sound when the fl ow of refrigerant inside the unit is switched.
In the following cases, stop using the air conditioner and consult your dealer.
• When water leaks or drips from the indoor unit.
• When the upper operation indicator lamp blinks.
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Except for when the lamp of a multi unit blinks while the unit is on standby.
• When the breaker trips frequently.
• The remote control signal is not received in a room where an electronic ON/OFF type fl uorescent lamp (inverter-type
fl uorescent lamp, etc.) is used.
• Operation of the air conditioner interferes with radio or TV reception. An amplifi er may be required for the affected
device.
• When an abnormal sound is heard.
• When any refrigerant leakage is found.
W
HEN YOU THINK THAT TROUBLE HAS OCCURRED
A5_VG79Y117H01_01En.indd 14
2020/06/03 13:55:55
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