Coway AP-1008CH User Manual

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19
TROUBLESHOOTING
The air purifier may operate abnormally not because of the product malfunction but because 
of minor causes or the fact that the user is not familiar with the product use. In such a case, 
problems can be solved easily even without the help from the service center just by checking 
the following. If the problem still persists after you check the following, contact the service 
center.
Symptom
Check
Measures to take
No air is blowing.
• Is the power cord connected?
Connect the power cord to an electric 
outlet for 120 V~  60 Hz.
• Is the display part all turned off?
Press the power button and then select 
the desired function.
• Isn’t the power gone out?
Use the air purifier after the power 
comes back on.
• Is the auto mode indicator turned on?
When the pollution level 1 lasts
continuously for 10 minutes, the product
switches to power saving mode, turning
off the fan automatically.
The airflow speed 
does not change.
• Isn’t it in manual or silent mode?
Set the desired operating mode.
• Isn’t the room dark?
When in sleep mode, the airflow speed 
is fixed to the minimum level.
The airflow speed is 
significantly weaker than 
before.
•  Isn’t the filter cleaning or  
replacement time passed?
Check the filter cleaning and replacement 
cycles and then clean/replace the filter(s) 
if necessary.
A bad smell comes out 
of the air outlet.
•  Isn’t the filter cleaning or  
replacement time passed?
Check the filter cleaning and replacement 
cycles and then clean/replace the filter(s) 
if necessary.
The color of the pollution 
level indicator always 
stays the same.
•  Isn’t there dust on the pollution  
sensor’s lens?
Clean the lens of the pollution sensor.
•  Does the pollution level keep  
indicating a high level?
Adjust the sensitivity of the pollution 
sensor to Insensitive or Standard.
•  Does the pollution level keep  
indicating a low level?
Adjust the sensitivity of the pollution 
sensor to sensitive or standard.
The pollution level 
indicator blinks.
• Request service or ask our service center.
When other functional 
problems are detected
•  Check the symptoms, unplug the product, and then request service or ask  
service center.