Error code

live-multiple-lamps-blink-with-fast-operation-lamp Abnormal operation indication

Fault

Fujitsu · KMCB

Applies to 3 models
ASYG09KMCB, ASYG12KMCB, ASYG14KMCB

What this means

The manual identifies this combined lamp pattern as a condition requiring service; the underlying fault is not specified in the user manual.

When to call a technician

This fault involves refrigerant, pressure, or electrical work that must be handled by a certified technician under EU F-gas rules. Do not attempt to open the refrigerant circuit, access mains wiring, or adjust pressure components yourself. Contact a qualified installer or servicer for this one.