Problem

Solution

The

• Check the sensors for any foreign substances and clean them if

Comprehensive

necessary.

Air-quality

• In winter season if you operate the product immediately after

indicator is fixed

product was delivered, dew may form on the sensor due to

on red.

temperature difference (between outdoor and indoor). In this

 

case, your product may temporarily display 999 ㎍/m3 on the

 

 

particulate matter (PM10) level/ultrafine particulate matter

 

(PM2.5) level indicator and also Comprehensive Air-quality

 

indicator may turned red. In this case, indicator will become

Something is

normal after 1~2 hours of operation.

• If you cook or if outside air gets indoor and affects changes in

wrong with the

odor, gas sensor may detect odor and the Comprehensive Air-

Comprehensive

quality indicator may become red. Ventilate the room for

Air-quality

1~2 hours.

indicator

• Disconnect the power plug and connect it back on after a minute

 

and operate the product. (Reset the sensors)

 

• If you have followed all the solution indicated in this section and

 

the Comprehensive Air-quality indicator is still red, there might be

 

a problem with sensor or wires. Please contact the service center.

 

 

Fan speed is

 

not changing

• Set the fan speed to Auto. When the fan speed is set to High, Low,

according to the

or Sleep, the fan speed will not change automatically.

Comprehensive

 

Air-quality.

 

 

 

Particulate

 

matter(PM10)/

 

ultrafine

• In an enclosed space, level may not be changed from "Excellent".

particulate

If there are changes in the level when you open the windows to

matter(PM2.5)

ventilate, or burn the aroma candles or incense, it’s normal.

is not changing

 

from "Excellent"

 

(09).

 

 

 

ENGLISH 23

Others

ACR Alps_IB(2015)_EN_DB68-05435A-02.indd 23

2015-09-14 오후 1:50:22