Error code
live-operation-lamp-slow-blink-defrost Automatic defrost in progress
How it shows on the unit Operation lamp blinks slowly during automatic defrost
Applies to 6 models
ASYG09LTCB, ASYG12LTCB, ASYG14LTCB, AOYG09LTCN, AOYG12LTCN, AOYG14LTCN
What this means
Normal heating operation pause while the outdoor unit removes frost. This is not an error or fault; heating resumes afterward.
What you can check yourself
- Wait for defrosting to finish; it can temporarily stop indoor airflow for up to 15 minutes.
Still not resolved? Contact a qualified installer or servicer.
See the Fujitsu manual (hosted by an authorized distributor)Hosted by an authorized distributor rather than by the manufacturer. We link to manuals, we never host them.