Error code
live-operation-lamp-blink-during-defrost Automatic defrost indication
How it shows on the unit 1 blink pattern repeating during automatic defrost
Applies to 10 models
ASYA07LCC, ASYA09LCC, ASYA12LCC, ASYA14LCC, ASYA18LCC, AOYR07LCC, AOYR09LCC, AOYR12LCC, AOYR14LCC, AOYR18LCC
What this means
The red OPERATION lamp blinks while the heat pump temporarily stops heating to remove outdoor-unit frost. This is normal operation, not an error.
What you can check yourself
- Wait for automatic defrost to finish; heating normally resumes after about 7–15 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.