Daikin
FTXS-K error codes
Every documented code for this model family, with what it means and whether it is safe to act on yourself.
6 models in this family
- FTXS35K2V1B
- FTXS42K2V1B
- FTXS50K2V1B
- FTXS35K3V1B
- FTXS42K3V1B
- FTXS50K3V1B
28 codes
- 00 Normal status / no error Informational
- A1 Indoor-unit circuit-board fault Fault
- A5 High-pressure protection or frost protection Fault
- A6 Indoor fan motor fault Fault
- C4 Indoor heat-exchanger temperature-sensor fault Fault
- C9 Indoor suction-air temperature-sensor fault Fault
- E1 Outdoor-unit circuit-board fault Fault
- E5 Overload relay activated Fault
- E6 Compressor start-up fault Fault
- E7 DC outdoor fan-motor fault Fault
- EA Cooling/heating changeover fault Fault
- F3 Discharge-pipe high temperature Fault
- F6 Cooling high-pressure protection Fault
- H0 Outdoor sensor fault Fault
- H6 Position-detection sensor fault Fault
- H8 DC current-sensor fault Fault
- H9 Outdoor suction-air temperature-sensor fault Fault
- J3 Discharge-pipe temperature-sensor fault Fault
- J6 Outdoor heat-exchanger temperature-sensor fault Fault
- L3 Electrical-component overheating Fault
- L4 Inverter heat-sink high temperature Fault
- L5 Outdoor-unit output overcurrent Fault
- live-operation-lamp-blinking Live operation lamp blinking Warning
- P4 Inverter heat-sink temperature-sensor fault Fault
- U0 Refrigerant shortage Fault
- U2 Main-circuit voltage drop or overvoltage Fault
- U4 Indoor-to-outdoor communication fault Fault
- UA Indoor-to-outdoor unit combination fault Fault
No code matches that. Clear the filter to see all 28.