Error code
A0 Refrigerant-leak detection
Applies to 3 models
FVXM25FV1B9, FVXM35FV1B9, FVXM50FV1B9
What this means
The refrigerant-leak sensor has detected a possible leak or is checking for one. Aerosols and hairspray may cause false detection.
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 official Daikin manualA deep link to the manufacturer's own PDF for full technical detail. We link to manuals, we never host them.
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