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LG LF21G6200 counter-depth refrigerator troubleshooting

LG LF21G6200 counter-depth refrigerator (LF21G6200*): size and capacity (from LG's spec sheet); storage; controls and alerts; smart features; numbers and where they sit; ice maker habits, and a fix for each symptom below.

Size and capacity (from LG's spec sheet)
21 cu ft counter-depth MAX: 14.2 fresh food and 6.6 freezer, 33 in wide, 70 in high and about 29 in deep.

Not coolingNot freezingNo iceSmall iceWater dispenserLeaking

Part of LG refrigerator model troubleshooting

Confirm the model first

Which units this covers, and how to tell yours is one of them

Model numbers and patterns: LF21G6200*

Published specification

What is true of this model and changes how you fix it

Hardware — LG product page
21 cu ft (smallest French-door model in this group), counter-depth MAX, 3-door, Glide N' Serve full-width drawer, ThinQ app, IcePlus.
Type — French door
A French-door fridge with a bottom freezer. A mainstream LG layout.
Ice & dispenser
Automatic ice maker; dispenser on dispenser builds. Ice/water faults trace to the water line, filter and freezer temperature.
Cooling — Linear Compressor
Linear Compressor (10-year warranty), quiet variable-speed — a steady hum is normal. Keep interior vents clear for even cooling.
Storage
Two humidity-controlled crispers, a Glide N' Serve pantry drawer and six door bins.
Controls and alerts
Touchpad controls at the front of the fresh food section and a door-open alarm.
Smart features
Wi-Fi with SmartDiagnosis, a built-in ice maker, ADA compliance and ENERGY STAR qualification.
Numbers and where they sit
The LF21G6200 is a LG refrigerator, and its model and serial numbers are on a label inside, on the wall of the fresh food compartment. Photograph it after delivery.
Ice maker habits
A refrigerator ice maker needs water pressure and a freezer at the right temperature. If the ice is small or stops, check the water line, the filter and the freezer setting. Empty a full bin and shake the cubes loose.
Defrost and noise
A refrigerator makes sounds as the compressor starts and as the defrost heater runs. A new or louder noise that does not stop deserves a look, but clicks and gurgles are normal.
Temperature and loading
Keep food away from the vents so that air can flow. Put the most perishable items on the shelves rather than in the door, where the temperature changes with every opening. Check the temperature with a thermometer if you suspect a problem, rather than relying on the setting.
Power and defrost
After a power cut, wait a few hours before judging the temperature, and keep the doors shut. A refrigerator may take up to a day to return to normal after being unplugged. Frost build-up in the freezer may point to a door seal that does not close or a defrost fault.

Where these figures were read. lg.com/us/refrigerators/lg-lf21g6200s-french-3-door-refrigerator (LG LF21G6200S product page)

Manufacturer support for this product line. LG Support — Home appliance support. Official LG model manuals, error-code help, ThinQ diagnostics and repair entry point.

Also read for this model. LG USA — 21 cu. ft. French Door Refrigerator LF21G6200S.

Exact questions

Questions that only have an answer for the LG LF21G6200 counter-depth refrigerator

My LG LF21G6200 is building up frost inside.+

A little frost near the vents is normal, but heavy frost usually means warm, humid air is getting in — check the door seals for gaps or food holding a door ajar, and do not leave doors open long. Frost specifically on the back wall of the fridge can be a defrost-system issue (heater/sensor), which needs service. Make sure the drawers and vents are not blocking airflow, which causes uneven cold spots and frost.