Brand: DAIKIN
Category: Air Conditioning
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for FTXS09LVJU
Uploaded: Sept. 12, 2025, 4:30 a.m.
Warranty Information
Contact your dealer for repair and maintenance; improper repair may result in water leakage, electric shock, and fire.
To start operation
- Press MODE and select an operation mode.
- Press ON/OFF. "ON" is displayed on the LCD. The OPERATION lamp lights green.
- Press ON/OFF again. "ON" is no longer displayed on the LCD. The OPERATION lamp goes off.
Troubleshooting and error codes
| CODE | MEANING |
|---|---|
| 00 | NORMAL |
| UA | INDOOR-OUTDOOR UNIT COMBINATION FAULT |
| U0 | REFRIGERANT SHORTAGE |
| U2 | DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGE |
| U4 | FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND OUTDOOR UNIT) |
| A1 | INDOOR PCB DEFECTIVENESS |
| A5 | HIGH PRESSURE CONTROL OR FREEZE-UP PROTECTOR |
| A6 | FAN MOTOR FAULT |
| C4 | FAULTY HEAT EXCHANGER TEMPERATURE SENSOR |
| C9 | FAULTY SUCTION AIR TEMPERATURE SENSOR |
| EA | COOLING-HEATING SWITCHING ERROR |
| E1 | CIRCUIT BOARD FAULT |
| E5 | OL STARTED |
| E6 | FAULTY COMPRESSOR START UP |
| E7 | DC FAN MOTOR FAULT |
| E8 | OVERCURRENT INPUT |
| F3 | HIGH TEMPERATURE DISCHARGE PIPE CONTROL |
| F6 | HIGH PRESSURE CONTROL (IN COOLING) |
| H0 | SENSOR FAULT |
| H6 | OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSOR |
| H8 | DC CURRENT SENSOR FAULT |
| H9 | FAULTY SUCTION AIR TEMPERATURE SENSOR |
| J3 | FAULTY DISCHARGE PIPE TEMPERATURE SENSOR |
| J6 | FAULTY HEAT EXCHANGER TEMPERATURE SENSOR |
| L3 | ELECTRICAL PARTS HEAT FAULT |
| L4 | HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK |
| L5 | OUTPUT OVERCURRENT |
| P4 | FAULTY INVERTER CIRCUIT HEATSINK TEMPERATURE SENSOR |