The LG LFX31925ST is a 31 cubic foot French Door Refrigerator with InstaView™ Door-in-Door®, Craft Ice™ maker, and Smart Cooling Plus™ technology. This parts manual provides detailed information on component identification, replacement part numbers, exploded views, and ordering procedures for authorized service technicians. Below are key sections for parts overview, diagrams, ordering information, and safety precautions.
Key assemblies: Door assembly (left/right), Crisper drawers, Ice maker assembly, Evaporator fan motor, Condenser fan motor, Control board, Temperature sensors, Water filter, Door gaskets, Shelving components.
| Assembly | Description |
|---|---|
| Door Assembly (Left) | Includes InstaView™ panel, door liner, hinges, and handle |
| Door Assembly (Right) | Includes standard door panel, liner, and hinge mechanism |
| Ice Maker Assembly | Craft Ice™ maker unit with motor and water inlet |
| Evaporator Fan Motor | Cools refrigerator compartment; located behind rear panel |
| Condenser Fan Motor | Cools compressor; located at bottom rear |
| Main Control Board | Manages all cooling and display functions |
| Temperature Sensors | Monitor fridge/freezer temps (fresh food, freezer, evaporator) |
| Water Filter | LT1000P filter for water and ice system |
| Door Gaskets | Magnetic seals for left and right doors |
| Shelving (Glass) | Tempered glass shelves with slide-out tracks |
Refer to diagrams for component relationships and mounting points.
WARNING! Diagrams are for trained technicians. Disconnect power before servicing.
Common replacement parts with LG part numbers.
CAUTION! Use only genuine LG parts to ensure warranty and performance.
Key component positions for service access.
Front/Top: Control panel behind top grille. Rear: Compressor, condenser fan, water valve at bottom rear. Inside Fridge: Evaporator behind rear panel; sensors in ceiling and walls. Doors: InstaView electronics in left door; water dispenser line in right door.
Lighting: LED light strip at top front. Shelving: Slide-out tracks on side walls. Crispers: Bottom mounted on roller frame.
General steps for common part replacements.
Tip: Take photos before disassembly for reference during reassembly.
Standard tools for part replacement.
WARNING! Wear safety glasses and gloves when handling refrigerant components.
Disconnect power before servicing. Handle refrigerant components per EPA guidelines. Use proper lifting for heavy parts.
Clean components with mild soap and water; dry thoroughly. Do not use abrasive cleaners on glass or plastic.
CAUTION! Do not spray water on electrical components or control board.
UL listed. EPA compliant refrigerant. Copyright © LG Electronics. For service, use only authorized LG service centers. Parts warranty: 90 days from installation. For support, visit www.lg.com or contact LG Customer Service at 1-800-243-0000.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Ice maker not working | Water supply/part failure | Check water line; replace filter; test ice maker motor (part # 6346EJ1002A). |
| Warm refrigerator | Evaporator fan failure | Check fan motor (part # 6750FR2006B); ensure vents not blocked. |
| Error code on display | Sensor/board issue | Refer to service manual for code; test sensors (part # 6750FR2003A). |
| Water leakage | Clogged drain/loose connection | Clear drain tube; check water line connections at valve. |
| Door not sealing | Worn gasket | Replace door gasket (MCL73829403/404); ensure door alignment. |
Reset: Unplug for 5 minutes to reset control board.
Service: 1-800-243-0000; www.lg.com