ℹ
info Honeywell
Status Filter Reset Light illuminates (not blinking)
Pre-Filter replacement indicator — the pre-filter has reached the end of its service life and needs to be replaced.
? What Causes This
Pre-filter has accumulated particles and contaminants over approximately 3 months of use.
ⓘ What This Means
- Remove the filter cartridge from the air purifier.
- Remove and discard the old pre-filter.
- Install a new genuine Honeywell pre-filter (HRF-AP1 or HRF-APP1).
- Reinsert the filter cartridge.
- Press and hold the Filter Reset button for 3 seconds to turn off the light.
Source: page 6 of the official manual
From the manual
This error code appears in:
Honeywell HPA830 Air Purifier