The LG Dishwasher LDS5811 is a high-efficiency built-in dishwasher featuring multiple wash cycles, stainless steel tub, adjustable racks, quiet operation, and advanced cleaning technologies. This repair manual covers safety precautions, troubleshooting, common issues, disassembly instructions, and maintenance procedures for qualified technicians.
Before attempting any repairs, ensure dishwasher is disconnected from power and water supply.
| Safety Measure | Description |
|---|---|
| Electrical Safety | Disconnect power at circuit breaker before servicing |
| Water Supply | Turn off water supply and relieve pressure |
| Sharp Edges | Wear protective gloves when handling internal components |
| Hot Surfaces | Allow unit to cool before servicing heating elements |
| Chemical Exposure | Use proper ventilation when handling detergents |
Typical problems encountered with LG LDS5811 dishwasher.
WARNING! Always diagnose completely before replacing components.
Systematic approach to diagnosing dishwasher problems.
| Problem | Possible Causes | Testing Procedure |
|---|---|---|
| No power | Power supply, door switch, control board | Check voltage at inlet, test door switch continuity |
| Water not filling | Water inlet valve, float switch, timer | Test valve solenoid, check water pressure |
| Poor cleaning | Spray arms, water temperature, filter | Inspect spray arm rotation, check water temp |
| Not draining | Drain pump, drain hose, check valve | Test drain pump motor, check hose for kinks |
| Leaking water | Door seal, tub, hose connections | Inspect door gasket, check hose clamps |
LG LDS5811 error codes and their meanings.
| Error Code | Description | Resolution |
|---|---|---|
| IE | Water inlet error | Check water supply, inlet valve |
| OE | Drain error | Clear drain obstruction, check pump |
| FE | Water overflow | Check float switch, water level |
| HE | Heating error | Test heating element, thermostat |
| LE | Motor error | Check wash motor, wiring |
Step-by-step disassembly for component access.
CAUTION! Document wire connections and take photos during disassembly.
Testing procedures for key components.
Component replacement steps for common parts.
Proper reassembly and post-repair testing.
Tip: Run empty test cycle before returning to customer.
Recommended maintenance to prevent future issues.
| Maintenance Task | Frequency | Procedure |
|---|---|---|
| Filter cleaning | Monthly | Remove and rinse filter assembly |
| Spray arm inspection | Quarterly | Check for clogs and free rotation |
| Door seal cleaning | Monthly | Wipe clean with damp cloth |
| Detergent dispenser | As needed | Clean soap residue buildup |
| Drain hose check | Annually | Inspect for kinks or obstructions |
Common replacement parts for LG LDS5811.
Ordering: Contact LG Parts at 1-800-243-0000 or visit www.lgparts.com
Technical Support: LG Service Center 1-800-243-0000