Error code
live-operation-and-timer-lamps-blink-fault Operation and timer lamps blinking together
How it shows on the unit OPERATION lamp and TIMER lamp blink together; no fixed blink count is specified
Applies to 6 models
AWYZ14LBC, AWYZ18LBC, AWYZ24LBC, AOYZ14LBC, AOYZ18LBC, AOYZ24LBC
What this means
The manual treats simultaneous OPERATION and TIMER lamp blinking as a malfunction requiring service; the underlying fault is not identified in this 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.
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.