Panasonic Split Air Conditioner Error Codes
A blinking lamp for other than the signal receiving unit filter shows that a problem has occurred in the unit, so make an inspection.
(Refer to servicing information in the service manual, etc.) Also, if wired remote controller and dedicated service check lines (CV6380230938: service use) are available, then detailed error information can be obtained by connecting to the service connector as shown in the drawing. For information on how to connect to the signal receiving unit, refer to the instruction manual that came with the dedicated service check lines.