Coway AP-1512HH how to adjust the air quality sensor sensitivity
When the pollution level stays at the highest level after 2 hours of operation, or at the lowest level for more than 1 hour while the air does not seem clean.
Steps
- With the air purifier on, press the airflow speed button and the ionizer button together for 2 seconds.
- Wait for the speed indicator to flash at 1-second intervals with a beep. The number of flashes shows the current sensitivity: step 1 Sensitive, step 2 Standard, step 3 Insensitive.
- Press the speed button to pick the sensitivity.
- Press the airflow speed button and the ionizer button together for 2 seconds. The purifier resumes normal operation.
The new setting also applies after 10 seconds without a button press. The sensor ships at standard sensitivity.
Source: Adjust air quality sensor Source: Adjust air quality sensor, p. 14
Used for
Other AP-1512HH procedures
- How to reset the filter replacement indicatorAfter replacing the deodorization filter or the True HEPA filter that the Odor LED or HEPA LED named.
- How to reset a filter cycle before it endsWhen a filter was replaced before its replacement cycle was reached.
- How to replace the filtersWhen the Odor LED or HEPA LED lights, or at the replacement cycles: deodorization filter every 6 months, True HEPA filter every year.
- How to clean the pre-filterEvery 2 to 4 weeks.
- How to clean the air quality sensorEvery 2 months, and more often in a dusty room. Without regular cleaning the sensor performance deteriorates.
Sources
- Coway Air Purifier AP-1512HH & AP-1512HH(W) user's manual (English, French, Spanish). Coway. Document AP-1512HH_AP-1512HH_W__MANUAL_US__COWAY_009__19.07.17, revision 009, 2019-07-17, 21 pages, en-US. cowaymega.com (PDF). Listed on the manufacturer's support page. Retrieved 13 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.