Indicates “dF“or defrosting indicator displays / Flicker 1 time/1s / Hint to defrosting
E1:Actuation of high pressure switch*High pressure switch*Abnormality is detected when the contact of the high pressure switch opens for 3 sec. The system will be shut down. The unit will report this fault. For the first two faults within 30 minutes, the unit can be recovered automatically. If over three times, the unit cannot be recovered automatically.
A2 Shorted sensor./Open sensor./Sensor disconnected./Sensor out of range.
Up to eight different indoor units from the M series and Mr. Slim series
0403 Serial communication error
0403 Serial communication error/Panel communication error
Cooling Only=Indoor Unit:FTXS30LVJU-FTXS36LVJU , Outdoor Unit RKS30LVJU RKS36LVJU