Coway mighty reset filter
When a filter was replaced before its replacement cycle was reached.
Steps
- Press and hold the Reset button for 2 seconds while the reset function is not active.
- Press the Reset button to pick the filter: once for the Odor LED (deodorization filter), twice for the HEPA LED (True HEPA filter).
- Press and hold the Reset button for 2 seconds. The accumulated time in the electronic time counter is erased.
Forcible reset mode cancels after 5 seconds without input.
Source: Filter replacement Source: Filter replacement, p. 17
Used for
- Filter replacement indicator: A filter has reached its replacement cycle. The Odor LED means the deodorization filter and the HEPA LED means the True HEPA filter. While this indicator is active, the pollution level indicator does not light.
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 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.
- How to adjust the air quality sensor sensitivityWhen 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.
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.