The LG F1403YD5 is a front-loading washing machine with advanced features including direct drive motor technology, multiple wash programs, energy efficiency rating, steam function, turbo wash, and smart diagnosis system. This service manual provides comprehensive information for technicians including technical specifications, disassembly procedures, troubleshooting, and maintenance guidelines.
The LG F1403YD5 features direct drive technology, 8kg capacity, 1400 RPM spin speed, and multiple wash programs including cotton, synthetic, delicate, wool, and quick wash cycles.
| Component | Description |
|---|---|
| Motor Type | Direct Drive Inverter Motor |
| Capacity | 8kg (17.6 lbs) |
| Spin Speed | 1400 RPM maximum |
| Energy Rating | A+++ |
| Water Consumption | Approx. 45 liters per cycle |
| Dimensions | 600mm W x 850mm H x 550mm D |
| Weight | 68kg |
| Control Panel | LED Display with touch controls |
| Special Features | Steam function, TurboWash, Smart Diagnosis |
| Power Requirements | 220-240V, 50Hz |
Before servicing, ensure machine is disconnected from power source.
WARNING! High voltage components present. Only qualified technicians should perform service procedures.
Step-by-step disassembly procedures for major components.
CAUTION! Label all connectors and keep screws organized for reassembly.
Main components and their locations within the machine.
| Component | Location |
|---|---|
| Main PCB | Behind control panel |
| Motor | Direct mounted to drum |
| Drain Pump | Bottom front right |
| Water Inlet Valves | Rear top left |
| Heater | Bottom of drum housing |
| Door Lock | Door frame |
| Pressure Switch | Top of tub |
| Temperature Sensor | Heater assembly |
Complete wiring diagrams and connector pinouts for troubleshooting electrical issues.
Note: Refer to separate electrical schematic document for detailed diagrams.
Common error codes and their meanings for the F1403YD5 model.
| Error Code | Description | Possible Cause |
|---|---|---|
| IE | Water inlet error | Water supply, inlet valve, pressure switch |
| OE | Drain error | Drain pump, filter blockage, hose |
| FE | Unbalanced load | Load distribution, suspension |
| dE | Door error | Door lock mechanism, wiring |
| tE | Temperature sensor error | Sensor failure, wiring |
| LE | Motor error | Motor, hall sensor, main PCB |
| PE | Pressure sensor error | Sensor, air tube, main PCB |
Common problems and diagnostic procedures.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power | Power supply, main fuse, main PCB | Check power outlet, test main fuse, inspect main PCB |
| No water intake | Water supply, inlet valves, pressure switch | Check water pressure, test valves, verify pressure switch |
| Not draining | Drain pump, filter, hose blockage | Clean filter, test pump, check drain hose |
| Excessive vibration | Unbalanced load, suspension, transit bolts | Redistribute load, check suspension, remove transit bolts |
| Motor not spinning | Motor, hall sensor, main PCB | Test motor windings, check hall sensor, inspect main PCB |
| Water leakage | Hoses, pump, door seal | Inspect hoses, check pump connections, examine door seal |
Routine maintenance to ensure optimal performance.
WARNING! Always disconnect power before performing any maintenance.
Key replacement parts for the F1403YD5 model.
LG F1403YD5 comes with standard manufacturer warranty: 2 years parts and labor, 10 years on direct drive motor. Service must be performed by authorized LG service centers to maintain warranty coverage.
For technical support and service inquiries, contact LG Customer Service at 1300 LG HELP (1300 54 4357) or visit www.lg.com/au/support.