LG French Door Refrigerator Repair Manual

The LG French Door Refrigerator is a premium appliance featuring dual cooling systems, smart diagnostics, LED lighting, water and ice dispensers, adjustable shelves, and energy-efficient operation. This manual provides essential information for troubleshooting, maintenance, and repair of common issues. Below are key sections covering safety, features, diagnostics, component replacement, and troubleshooting procedures.

1. Features at a Glance 2. Safety Precautions 3. Diagnostic Mode & Error Codes 4. Specifications 5. Controls and Settings 6. Common Component Replacement 7. Cooling System Maintenance 8. Water & Ice System Service 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting Guide

Features at a Glance

Key components: French doors with bottom freezer, dual evaporators, linear compressor, smart diagnostics panel, water filter, ice maker, and adjustable humidity-controlled crispers.

Feature	Description
Linear Compressor	Energy-efficient cooling with 10-year warranty
Smart Diagnosis	Uses acoustic signals to diagnose issues via phone app
Door-in-Door	Quick access to frequently used items
InstaView Door	Knock twice to see inside without opening
Dual Ice Makers	Produces ice in freezer and door
Water Filter	Reduces contaminants; replace every 6 months
LED Lighting	Bright, efficient interior lighting
Adjustable Shelves	Customizable storage space
Humidity Control	Preserves freshness in crisper drawers
Energy Star Certified	Meets energy efficiency guidelines

Safety Precautions

Unplug refrigerator before any repair. Wear appropriate safety gear.

Disconnect power: Unplug from wall outlet or turn off circuit breaker.
Avoid sharp edges: Use caution when handling shelves and drawers.
Handle refrigerant properly: Certified technicians only for sealed system repairs.
Use correct tools: Insulated screwdrivers, multimeter, nut drivers.

WARNING! Risk of electric shock. Do not attempt repairs on live circuits. Keep children away during service.

Diagnostic Mode & Error Codes

Access diagnostic mode by pressing and holding "Ice Type" and "Light" buttons for 3 seconds.

Error codes display on control panel: Note code for troubleshooting.
Common codes: FF (Freezer Fan), RF (Refrigerator Fan), IF (Ice Fan), dH (Defrost Heater).
Reset: Unplug for 5 minutes to clear temporary errors.
Smart Diagnosis: Use LG app to analyze acoustic signals from unit.

CAUTION! Do not ignore repeated error codes; may indicate component failure.

Specifications

Capacity: 25-30 cubic feet typical.
Refrigerant: R-600a (Isobutane).
Power: 115V AC, 60Hz, 7.5A.
Water Filter: LT1000P or compatible.
Ice Production: Up to 4 lbs per day.
Dimensions: Varies by model; check serial plate.
Weight: 250-350 lbs.
Operating Temp: 34°F refrigerator, 0°F freezer.

Controls and Settings

Control panel located on door exterior. Features: Temperature control, ice maker on/off, filter reset, diagnostic mode.

Settings: Fridge temp (34-46°F), Freezer temp (-6 to 8°F), Quick Cool, Quick Freeze, Sabbath Mode.

Filter Reset: Hold "Filter Reset" for 3 seconds after replacing filter. Ice Maker: Toggle on/off; select cube or crushed ice. Alarm: Door ajar, high temp, filter change reminders.

Common Component Replacement

Water Filter: Twist counterclockwise to remove; insert new filter and twist clockwise until click.

Unplug refrigerator and turn off water supply.
Remove old filter from base grille or interior compartment.
Flush new filter: Run 2 gallons of water through dispenser.
Reset filter indicator on control panel.

Tip: Use genuine LG filters for optimal performance.

Cooling System Maintenance

Ensures efficient operation and temperature consistency.

Clean condenser coils: Vacuum rear or base coils every 6-12 months.
Check evaporator fan: Listen for unusual noise; replace if seized.
Inspect door seals: Wipe clean; test with dollar bill (should resist pull).
Defrost system: Manual defrost if ice buildup in freezer.
Monitor temperatures: Use thermometer in fridge and freezer sections.

WARNING! Do not puncture refrigerant lines. If leak suspected, contact certified technician.

Water & Ice System Service

Addresses issues with water flow and ice production.

No water flow: Check water supply valve, filter, and lines for kinks.
Ice maker not working: Ensure ice maker is ON; check water inlet valve.
Slow ice production: Check freezer temp (must be below 10°F).
Dispenser lever stuck: Inspect for ice jams; replace if damaged.

Note: Allow 24 hours for ice production after service.

Care & Cleaning

Unplug before cleaning interior. Use mild detergent and warm water; avoid abrasives.

Exterior: Wipe with soft cloth; stainless steel models use appropriate cleaner. Interior: Remove shelves and drawers; clean with baking soda solution. Condenser: Vacuum coils to maintain efficiency.

CAUTION! Do not use sharp objects to remove ice; may damage evaporator.

Regulatory Information

UL Listed; complies with FCC Part 15. Energy Star partner. Refrigerant EPA Section 608 certified. Copyright © LG Electronics. For support, visit www.lg.com or contact LG Customer Service at 1-800-243-0000. Serial number located on interior side wall or rear.

Troubleshooting Guide

Symptom	Possible Cause	Corrective Action
Refrigerator not cooling	Dirty coils, faulty compressor	Clean condenser coils; check compressor operation; verify door seals.
Water dispenser not working	Clogged filter, water valve	Replace water filter; check water supply pressure (30-120 psi).
Ice maker producing small ice	Low water pressure	Check water line for kinks; ensure filter not clogged.
Loud noise	Evaporator fan, compressor	Inspect fan for obstruction; listen for compressor rattle.
Error code displayed	Component failure	Enter diagnostic mode; refer to code chart; replace faulty part.

Reset: Unplug for 10 minutes to reset control board.

Service: 1-800-243-0000; www.lg.com