Error code
live-multiple-lamps-fast-blink Multiple lamps blinking rapidly — service fault
How it shows on the unit Operation and Timer lamps blink while the Economy lamp blinks rapidly; no fixed blink count is specified
Applies to 8 models
What this means
The manual treats this combination, especially when persistent after basic checks, as an abnormal condition requiring service.
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.
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.
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