Coway AP-1512HH User Manual page 15

ADJUST AIR QUALITY SENSOR
When the product is shipped out, the air quality sensor is set to standard sensitivity. If the pollution level
stays at the highest level after 2 hours of operation or stays at the lowest level for more than 1 hour when
the air does not seem clean, users can adjust the sensitivity of the air quality sensor as follows.
1. While the air purifier is on, press the airflow speed
button and ionizer button for 2 seconds.
2. The speed indicator will flash at 1.0 second intervals
with beep. The speed indicator blinks to show the
sensor sensitivity.
3. Adjust the sensitivity by pressing the speed button.
The speed indicator blinks to show the sensor sensitivity.
Speed step 1 Speed step 2
Sensitive Standard
∗
High sensitivity: If the air purifier indicates a pollution level of 1 for longer
than one hour when the actual pollution level is higher.
∗
Low sensitivity: If the air purifier continues to indicate the highest pollution
level even after running the air purifier for more than two hours.
4. Press the airflow speed button and ionizer button
for 2 seconds.
The air purifier will then resume normal operations.
∗
The new setting will also be applied if no button is input for 10 seconds.
Speed step 3
Insensitive
2 seconds 2 seconds
2 seconds
2 seconds
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