The LG DLEX5170W is a 7.4 cu. ft. Electric Dryer with Steam Technology, featuring LoDecibel™ quiet operation, Sensor Dry system, SteamFresh™ refresh cycle, TurboSteam™ technology, Wrinkle Care option, and multiple drying cycles. This service manual provides comprehensive information for technicians including safety procedures, technical specifications, disassembly instructions, troubleshooting guides, and maintenance procedures.
The LG DLEX5170W electric dryer features advanced steam technology and sensor drying capabilities for optimal fabric care and energy efficiency.
| Feature | Description |
|---|---|
| Capacity | 7.4 cubic feet |
| Dryer Type | Electric with Steam |
| Control Type | Electronic with LED Display |
| Special Features | SteamFresh, Sensor Dry, Wrinkle Care |
| Noise Level | LoDecibel™ Operation |
| Power Requirements | 240V, 60Hz |
| Dimensions | 27" W x 29" D x 38.5" H |
| Weight | 128 lbs |
| Warranty | 1 Year Parts & Labor |
Always follow safety procedures when servicing the dryer to prevent injury and equipment damage.
WARNING! High voltage present in control circuits. Always verify power is disconnected before beginning service work.
Main components include control panel, main control board, motor, heating element, blower assembly, thermal fuses, and moisture sensors.
Front Access: Control panel, door switch, lint filter housing.
Rear Access: Main control board, motor, heating element, thermal fuses.
Top Access: Console components, display board, user interface controls.
Step-by-step instructions for accessing internal components.
CAUTION! Label all wiring connections before disassembly to ensure proper reassembly.
Detailed electrical system overview including power distribution and control circuits.
| Component | Specification | Test Procedure |
|---|---|---|
| Main Control Board | Microprocessor | Check for 120V input, verify output signals |
| Heating Element | 5600W, 240V | Continuity test, resistance 8-12 ohms |
| Motor | 1/3 HP, 120V | Continuity test, check run capacitor |
| Thermal Fuse | 194°F | Continuity test, replace if open |
| Door Switch | Normally open | Continuity test when door closed |
The control system consists of main control board, user interface, sensors, and actuators.
Main Control Board: Processes user inputs, monitors sensors, controls drying cycles.
Sensors: Moisture sensors, temperature sensors, door switch, motor RPM sensor.
User Interface: Touch controls, LED display, cycle selection buttons.
Diagnostic Mode: Access by pressing specific button combinations for error code display and component testing.
Procedures for testing components and accessing diagnostic modes.
Tip: Always perform operational test after completing repairs.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Dryer won't start | Power, door switch, control board | Check power supply, test door switch, verify control board operation |
| No heat | Heating element, thermal fuse, thermostat | Test heating element continuity, check thermal fuse, verify thermostat operation |
| Drum not turning | Motor, belt, idler pulley | Test motor, inspect belt for wear, check idler pulley |
| Error codes displayed | Sensor failure, control issue | Interpret error code, test indicated components |
| Excessive noise | Rollers, blower, foreign objects | Inspect rollers and blower wheel, check for obstructions |
Common replacement parts for LG DLEX5170W dryer.
Complete electrical schematics for main power, control circuits, and sensor connections.
Main Power Circuit: 240V supply to heating element and motor circuits.
Control Circuit: 120V supply to control board and user interface.
Sensor Circuits: Moisture sensor, temperature sensors, door switch connections.
Steam System: Water valve control and steam generator circuit.
Note: Refer to detailed wiring diagram included with service manual for complete schematics.