Error code
live-operation-lamp-slow-blink Automatic defrost in progress
Applies to 3 models
ASYG09KMCB, ASYG12KMCB, ASYG14KMCB
What this means
The unit is temporarily performing automatic defrosting during heating; this is normal operation and not an error.
What you can check yourself
- Wait for automatic defrosting to finish; heating may pause for up to 15 minutes.
- Keep the air intake and outlet clear.
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.