Error code
12 Other indoor P.C. board fault
Applies to 4 models
RAS-25PKVSG-ND, RAS-35PKVSG-ND, RAS-25PAVSG-ND, RAS-35PAVSG-ND
What this means
Another fault has been detected on the indoor control board.
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.