This document is an owner's manual for an LG refrigerator-freezer, specifically covering models GL-548/528/478. It provides comprehensive instructions for installation, operation, maintenance, and troubleshooting, ensuring users can maximize the appliance's performance and reliability.
Function Description:
The LG refrigerator-freezer is designed to store fresh and frozen foods, maintaining optimal temperatures in both compartments. It features a dual-compartment design with separate controls for the freezer and refrigerator sections. The appliance incorporates advanced cooling technologies, including an optional Green Ion Door Cooling system, to enhance food freshness and air purification. It also offers various storage solutions like a convertible room/fresh zone, vegetable drawer with Magic Crispers, and optional Vita Light or Vitamin Kit for extended freshness of produce. Ice making is facilitated through optional Twisting Ice Serve or In-Door Ice Maker systems. The refrigerator is equipped with a temperature sensor that automatically manages compressor operation to maintain consistent temperatures. Safety features include a door alarm, lamp auto-off, and a self-test diagnostic capability.
Important Technical Specifications:
The manual highlights that the refrigerator is manufactured with great care and utilizes the latest technology. While specific technical specifications like dimensions, energy consumption, or cooling capacity are not detailed in the provided pages, it mentions that the appliance uses either Tetrafluoroethane (R134a) or Isobutene (R600a) as a refrigerant. R134a is described as environment-friendly and non-flammable, though it can cause irritation to skin and eyes with vapor. R600a (isobutene) is an environment-friendly refrigerant, with a small amount (80-90g) being combustible. The room size requirement for R600a is 1m² for every 8g of refrigerant. The refrigerator temperature control button allows selection of seven steps from 0°C to 6°C, with a default setting of 3°C. The freezer temperature control dial has settings from 1 (MIN) to 7/8 (MAX), with a default of 4. Setting the freezer knob to 4 will satisfy 4 STAR freezing. The appliance is designed to operate in temperatures above 5°C.
Usage Features:
- Starting: After installation, the refrigerator should be left on for 7-8 hours to stabilize temperatures before loading food. A 5-minute wait is recommended before restarting if operation is interrupted.
- Temperature Setting: Separate controls for the freezer (dial) and refrigerator (button) compartments. The refrigerator compartment has a default setting of 3°C, adjustable in seven steps from 0°C to 6°C. The freezer compartment has a default setting of 4, with higher numbers indicating lower temperatures.
- Door Alarm: An alarm sounds after 1 minute if a door is left open, repeating every 30 seconds.
- Lamp Auto-Off Feature: Interior lamps automatically turn off after 7 minutes of an open door to save energy and prevent overheating.
- Self Test: Built-in diagnostic capability displays error codes for troubleshooting.
- Super Cool: A feature that operates at maximum cooling capacity to quickly lower refrigerator temperature, shutting off automatically or manually.
- Child Lock: A button-activated lock (hold for 3 seconds) to prevent unauthorized changes to settings.
- Green Ion Door Cooling (Optional): Anion coating in the duct cover purifies air and helps keep food fresh longer.
- Ice Making (Optional):
- In-Door Ice Maker: Fill water tank, insert until "click," water drops into ice tray automatically. Takes at least 5 hours for cubes.
- Twisting Ice Serve Type: Fill ice tray with water, insert, then twist a lever to drop cubes into the ice cube box.
- Convertible Corner/Fresh Zone: A dedicated compartment for fresher food storage, controlled by a knob.
- Vegetable Drawer (Magic Crispers): Designed to maintain humidity for fruits and vegetables, featuring a lattice cover and sealing structure. Optional Vita Light (LED lamp for photosynthesis) and Vitamin Kit are available to enhance freshness.
- Vegetable Partitioner (Optional): A divider for the vegetable box.
- Dairy Corner (Optional): A movable compartment with a protruded handle for dairy products.
- Food Storage Suggestions: Recommendations for optimal food placement, covering food, avoiding blocking air vents, and minimizing door openings. Specific advice for freezer items (no bottles, no refreezing thawed food, place ice cream on shelves) and refrigerator items (avoid moist food on deep shelves, store moist food in vegetable compartment, clean food before refrigeration, store eggs upright).
Maintenance Features:
- Defrosting: Automatic defrosting with water evaporating from a tray at the lower back.
- Deodorizer (Optional): Located in the cooling air inlet, it deodorizes the fresh food compartment. It can be revived by removing it and using a hair dryer or sunlight.
- Cleaning:
- General: Regular cleaning is essential to prevent odors. Use lukewarm mild soap or dish washable solution. Avoid metallic scouring pads, abrasive cleaners, strong alkaline solutions, and flammable/toxic cleaning liquids.
- Exterior: Wipe with a clean, damp cloth and dry.
- Interior & Interior Parts: Clean shelves, door racks, storage trays, and magnetic door seals with lukewarm mild soap or dish washable solution, then wipe with a clean, damp cloth and dry.
- In-Door Ice Maker (Water Tank): Remove cover, clean inside and out with dishwashing detergent, rinse thoroughly, and dry.
- Ice Tray Kit: For the upper tray, separate the water tank and wipe with a wet cloth. For the lower tray, remove the ice cube box and wipe with a wet cloth. Do not immerse the ice tray kit in water.
- Lamp Replacement: Instructions for replacing both freezer and refrigerator lamps. Emphasizes unplugging the refrigerator or turning off power before replacement. Bulbs should be of the same size, shape, and wattage.
- Troubleshooting (Before Calling for Service): A guide to common issues and their possible causes, such as the refrigerator not operating, compartments being too warm, abnormal noises, odors, or dew formation on the cabinet surface.
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