Error code

live-operation-slow-blink Automatic defrost operation

Informational

Fujitsu · Nocria X

Applies to 2 models
ASYG09KXCA, ASYG12KXCA

What this means

The heat pump is temporarily defrosting the outdoor unit. This is a normal operating condition, not a fault.

What you can check yourself

  • Wait for automatic defrosting to finish; heating resumes automatically.
  • Do not interrupt power during the defrost cycle.

Still not resolved? Contact a qualified installer or servicer.

Using Claude Code or Meta Muse? Connect HeatPump AI and ask it about live-operation-slow-blink.