Error code
live-filter-lamp-3-blinks Air filter cleaning reminder
Applies to 3 models
ASEH09KHCBN, ASEH12KHCBN, ASEH14KHCBN
What this means
The filter indicator requests cleaning of the air filter.
What you can check yourself
- Switch off the unit and clean the air filters.
- After cleaning, reset the filter indicator using the indoor-unit button for 2 seconds or less.
Still not resolved? Contact a qualified installer or servicer.
See the official Fujitsu manualA deep link to the manufacturer's own PDF for full technical detail. We link to manuals, we never host them.