Troubleshooting - Coway AP-1511FHE User Manual

TROUBLESHOOTING

The air purifier may operate abnormally due to minor causes not because of the product
malfunction but because of 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 by checking
the following items. If you can't solve the problem after checking the following items, please call
the Service Center.
Symptom
• Is the power cord connected?
No air is blowing. • Is the display part all turned off?
• Isn't the power gone out?
• Isn't it in Auto or Silent mode?
The airflow speed
does not change.
• Isn't the room dark?
The airflow speed is
• Isn't the filter cleaning or
significantly weaker
replacement time passed?
than before.
A bad smell comes • Isn't the filter cleaning or
out of the air outlet. replacement time passed?
• Isn't there dust on the pollution
sensor's lens?
The color of the
pollution level • Does the pollution level keep
indicator always indicating a high level?
stays the same.
• Does the pollution level keep
indicating a low level?
• Isn't the RBD Plasma filter
systematically put in the unit?
The Plasma
indicator blinks.
• Isn't the tungsten wire down?
The pollution level
• Request service or ask our service center.
indicator blinks.
When other
functional • Check the symptoms, unplug the product, and then request service or
problems are ask service center.
detected.
Check
Connect the power cord to an
electric outlet for 120 V~ 60 Hz.
Press the power button and then
select the desired function.
Use the air purifier after the power
comes back on.
In the Auto and Silent mode, the
airflow rate could not selected by
hand-operating.
When in sleep mode, the airflow
speed is fixed to the minimum level.
Check the filter cleaning and
replacement cycles and then clean/
replace the filter(s) if necessary.
Check the filter cleaning and
replacement cycles and then clean/
replace the filter(s) if necessary.
Clean the lens of the pollution sensor.
Adjust the sensitivity of the pollution
sensor to Insensitive or standard.
Adjust the sensitivity of the pollution
sensor to sensitive or standard.
Install the RBD Plasma filter on the
unit after checking its formation.
Please request for A/S.
Measures to take
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