Daikin
FTX-K error codes
Every documented code for this model family, with what it means and whether it is safe to act on yourself.
5 models in this family
- FTX20KV1B
- FTX25KV1B
- FTX35KV1B
- FTX50KV1B
- FTX60KV1B
28 codes
- 00 Normal operation / no error Informational
- A1 Indoor-unit circuit board fault Fault
- A5 High-pressure switch or frost protection Fault
- A6 Indoor fan motor fault Fault
- C4 Heat-exchanger temperature-sensor fault Fault
- C9 Suction-air temperature-sensor fault Fault
- E1 Outdoor-unit circuit board fault Fault
- E5 Overload protection activated (OL) Fault
- E6 Compressor startup fault Fault
- E7 DC fan motor fault Fault
- E8 Overcurrent Fault
- EA Cooling-heating changeover fault Fault
- F3 Discharge-pipe high temperature Fault
- F6 Cooling high-pressure switch Fault
- H0 Sensor fault Fault
- H6 Position-detection sensor fault Fault
- H8 DC current-sensor fault Fault
- H9 Suction-air temperature-sensor fault Fault
- J3 Discharge-pipe temperature-sensor fault Fault
- J6 Heat-exchanger temperature-sensor fault Fault
- L3 Electrical-parts overheating Fault
- L4 Inverter-circuit heat-sink overtemperature Fault
- L5 Output overcurrent Fault
- P4 Inverter heat-sink temperature-sensor fault Fault
- U0 Refrigerant shortage Fault
- U2 Main-circuit voltage drop or overvoltage Fault
- U4 Indoor-outdoor communication fault Fault
- UA Indoor-outdoor unit combination fault Fault
No code matches that. Clear the filter to see all 28.