Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
LG LDC22720SW/03 bottom-mount refrigerator

LG LDC22720SW/03 bottom-mount refrigerator Parts

Here are the diagrams and repair parts for LG LDC22720SW/03 bottom-mount refrigerator, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for LDC22720SW/03 Refrigerators

LG Bottom-Mount Refrigerator LDC22720SW/03 FAQs

Yes. On the LG LDC22720SW bottom-mount refrigerator, we recommend DIY replacement for many non-sealed-system parts (handles, gaskets, switches, shelves, drawer hardware, and some ice maker and water parts) as long as you unplug the refrigerator and follow the LDC22720SW owner's manual. For sealed-system or advanced electrical repairs, use a service technician.

Good DIY repairs vs. technician-only repairs

Here’s a practical way to decide.

  • Usually DIY-friendly: door switch, door gaskets, door handle, shelves and drawers, slide rails, drain tube
  • Often DIY but more involved: ice maker assembly, water inlet valve (requires shutting off water and checking for leaks)
  • Technician-only: compressor, evaporator, sealed refrigerant lines, complex wiring diagnostics
Repair type What you’ll handle Typical risk level
Mechanical (doors, drawers, shelves) Screws, clips, alignment Low
Water/ice (valves, ice maker) Water shutoff, leak checks Medium
Cooling system (compressor/evaporator) Refrigerant system work High
Parts on this model that customers commonly replace

These are examples of parts available for LG LDC22720SW that are commonly replaced during DIY repairs:

DIY checklist before you start
  • Unplug the refrigerator (or switch off the breaker).
  • Turn off the household water supply if you’re working on water/ice parts.
  • Take photos of wire connectors and tubing routing before disconnecting anything.
  • Keep screws organized by step; many LG assemblies use different lengths.
  • After reassembly, restore power and confirm: door seals close evenly, fans run normally, and no water leaks.
Why it matters

Choosing the right repair level prevents repeat failures and protects the cooling system. Simple parts like a door gasket or door switch can fix temperature swings and condensation without the cost of a service call.

Last updated: February 2026

Cooling problems are the most common issue we see with LG refrigerators, including the LG LDC22720SW; symptoms include warm fresh food, a freezer that will not hold temperature, or inconsistent temps. Ice maker and water dispensing issues are also frequent, often tied to water supply, valves, or freezing in the fill system.

Most common symptoms to watch for
  • Fresh food section warm but freezer seems OK (airflow or evaporator fan issue)
  • Freezer warm and refrigerator warm (sealed system or compressor-related issue)
  • Clicking, buzzing, or repeated start attempts (start device or compressor circuit)
  • Heavy frost on the freezer back wall (defrost system problem)
  • No ice or slow ice production (ice maker, fill valve, or water pressure issue)
Quick checks we recommend first (before buying parts)
  1. Confirm settings: refrigerator about 37°F, freezer about 0°F.
  2. Make sure vents are not blocked by food packages.
  3. Clean condenser coils and verify the condenser fan runs.
  4. Check door sealing and alignment; a poor seal causes temperature swings and frost.
  5. If the unit has a water/ice system, confirm household water pressure and that the supply valve is fully open.
Parts that commonly relate to these problems on LDC22720SW
Symptom Common area to inspect Example part for this model
Warm temps, poor airflow Freezer airflow Refrigerator evaporator fan motor 4681JB1027N
Frost buildup, warm temps Defrost system Refrigerator defrost sensor assembly 6615JB2005C and refrigerator defrost heater 5300JB1100J
No ice, no water fill Water supply control LG refrigerator water inlet valve AJU73753101 or refrigerator water inlet valve assembly AJU55759303
Why it matters

A refrigerator that is not cooling correctly can spoil food quickly and forces the compressor and fans to run longer. Catching airflow, defrost, or water-supply problems early often prevents bigger failures and reduces energy use.

Helpful model-specific guidance

Use the LDC22720SW owner’s manual to confirm temperature control locations, airflow paths, and any model-specific troubleshooting steps. For ice maker symptoms, we also recommend following common refrigerator ice maker problems and solutions to narrow the cause before replacing assemblies.

Last updated: February 2026

No. For LG appliances, parts availability is usually good when you match the exact model number and use the correct part ID or part number. For the LG LDC22720SW bottom-mount refrigerator, we stock common repair parts like switches, gaskets, valves, and ice maker components; check the LDC22720SW owner's manual for model-specific part identification and diagrams.

What makes LG parts seem “hard to find”
  • The model number suffix matters (for example, color and revision); always match LDC22720SW exactly.
  • Some parts are model-specific (door bins, shelves, drawer rails) and won’t fit close model families.
  • Names vary (a “water valve” might be listed as an inlet valve or inlet valve assembly).
  • Older models can have more substitutions as parts get updated.
  • Shipping time can vary by part type (cosmetic parts often differ from functional parts).
Quick way to confirm you’re ordering the right part

Use this checklist before you buy:

  • Confirm the full model number from the rating label inside the fresh food section.
  • Compare the part name and ID to the symptom (for example, no ice vs. leaking water).
  • Cross-check the exploded-view diagram in the manual.
  • If the issue is water or ice related, verify your home water supply is on and the line is not kinked.
Common LDC22720SW parts customers replace
Symptom Likely part category Example part for this model
Light stays off or won’t turn off Door switch LG refrigerator door switch 6600JB1010A
No ice or slow ice production Ice maker or water valve Ice maker assembly, inlet valve
Water leaking or puddles Drain system Refrigerator drain tube
Frost buildup, warm temps Defrost system Defrost sensor, defrost heater
Why it matters

Ordering by brand alone leads to wrong-fit parts and repeat repairs. Ordering by LG model LDC22720SW plus the correct part ID improves fit, restores cooling performance, and reduces downtime.

Last updated: February 2026

LG’s “knock-knock” feature is the InstaView Door-in-Door design: you double-tap the glass panel so the interior lights turn on, letting you see inside without opening the door. The LG LDC22720SW bottom-mount refrigerator is not typically an InstaView model; use the LDC22720SW owner’s manual to confirm which door and lighting features your unit has.

How the “knock-knock” (InstaView) feature works

On InstaView models, the glass panel acts like a window when activated.

  • Double-tap the glass panel (usually two quick knocks)
  • The compartment light turns on for a short time
  • You can check frequently used items without opening the main door
  • Less door opening helps reduce warm air entering the fresh food section
  • The feature relies on the door’s light circuit and control logic
What to check on your LG LDC22720SW

Because features vary by series and production run, verify what your specific refrigerator includes.

Item to verify Where to look What it tells you
Door style Door has glass panel or standard door Whether InstaView is even possible
Control panel options Display labels and settings Whether “InstaView” or Door-in-Door is supported
Interior light behavior Light turns on with door open Confirms basic lighting circuit operation
Door switch operation Light turns off when door closes Helps rule out a stuck switch

If your interior light does not behave normally (stays off or stays on), a common fix is replacing the LG refrigerator door switch 6600JB1010A.

Why it matters

Seeing inside without opening the door can help temperature stability and reduce moisture swings, which supports food freshness and can reduce frost buildup over time.

Last updated: February 2026

For the LG LDC22720SW bottom-mount refrigerator, the most reliable reset is a power reset: unplug the refrigerator (or switch the circuit breaker off) for 1 minute, then restore power. This reboots the control board and often clears minor glitches after a power outage or control-panel odd behavior.

Quick reset options (what to try first)
  • Power reset (recommended): Power off for 60 seconds, then power back on.
  • Control lock check: If buttons do not respond, turn off Control Lock (if enabled) and retry.
  • Filter indicator reset: Use the filter reset method shown in the LDC22720SW owner’s manual.
  • Ice maker reset: If ice production is stuck, reset the ice maker and confirm the shutoff arm is down.
  • Door switch check: If the interior lights or fan behavior seems wrong, a failed door switch can mimic control issues; see the LG refrigerator door switch 6600JB1010A.
Step-by-step: power reset (hard reset)
  1. Move any perishable items to a cooler if you expect the doors to be open for long.
  2. Unplug the refrigerator, or turn the breaker off.
  3. Wait 60 seconds (this lets the control fully power down).
  4. Restore power.
  5. Allow 5 to 10 minutes for the compressor and fans to resume normal cycling.
What a reset can and cannot fix
Symptom Reset helps most when If it comes back quickly, check
Control panel frozen or beeping After a brief power interruption Door not closing, door switch, loose wiring
Ice maker not cycling After a jam or temporary glitch Water supply, inlet valve, ice maker assembly
Temps drifting briefly After doors were left open Dirty condenser area, fan issues, gasket leaks
Why it matters

A reset clears temporary logic faults in the electronic control and restarts normal cooling and defrost timing. If the same symptom returns, the refrigerator is usually reacting to an input problem (door switch, temperature sensing, airflow, or water supply) rather than needing repeated resets.

Last updated: February 2026

In an LG bottom-mount refrigerator like model LDC22720SW, the most commonly replaced parts are the ones that handle sealing, airflow, defrosting, and water delivery. These parts wear out from normal use, ice buildup, or mineral deposits long before major sealed-system components.

Most common replacement parts (and what they do)
Quick “symptom to part” guide
Symptom Most likely part area Example part for LDC22720SW
Frost buildup, doors not sealing Door gasket ADX73350925
Light stays on, door alarm issues Door switch 6600JB1010A
No ice or slow ice Ice maker or water valve AEQ72909602, AJU55759303
Warm fridge, freezer OK (or vice versa) Evaporator fan or defrost 4681JB1027N, 5300JB1100J
Water leaking inside or under unit Drain system 5251JA3003D
Why it matters

Replacing common wear parts early helps protect food temperatures and reduces strain on expensive components like the compressor. For model-specific diagrams and part locations, use the LDC22720SW owner's manual.

Last updated: February 2026

LG refrigerators, including the LG LDC22720SW bottom-mount style, are often criticized for higher-cost cooling-system repairs and more frequent ice maker and water system complaints than simpler, no-dispenser models. The biggest practical downside is that when a key sealed-system or airflow part fails, food temperatures can rise quickly.

Common disadvantages customers report
  • Cooling problems: Warm refrigerator section, warm freezer, or wide temperature swings.
  • Compressor or start issues: Clicking, repeated attempts to start, or the unit not cooling.
  • Ice maker performance: Slow ice production, clumping, or no ice.
  • Water system leaks or no water: Drips behind the unit, low flow, or no fill to the ice maker.
  • Frost buildup: Excess frost on the evaporator area leading to restricted airflow.
  • Higher repair complexity: More sensors, valves, and fans means more potential failure points.
What to check first on an LG LDC22720SW

Start with the basics that cause the most “it stopped cooling” and “no ice” calls.

Symptom Most likely area Parts that commonly relate
Lights work but not cooling well Airflow or defrost Evaporator fan motor, defrost heater, defrost sensor
No ice or small cubes Water supply or fill Water inlet valve, ice maker assembly
Water under/behind fridge Drain or water line Drain tube, water inlet valve
Interior light stays off/on incorrectly Door sensing Door switch
Parts that often come up in real-world repairs

If your symptom matches, these model-compatible parts are common starting points:

Why it matters

Most “disadvantages” show up as temperature instability or water/ice interruptions. Catching early signs (odd noises, frost, slow ice, puddles) helps prevent food loss and can reduce the scope of a repair.

Best next step for your exact configuration

Use the LDC22720SW owner's manual to confirm your temperature settings, control features, and the correct troubleshooting steps for your specific door, ice maker, and water setup.

Last updated: February 2026

Most common symptoms to help you fix your refrigerators

Choose a symptom to see related refrigerator repairs.

Main causes: leaky door gasket, defrost system failure, evaporator fan not running, dirty condenser coils, condenser fan…

Main causes: control board or cold control failure, broken compressor start relay, compressor motor failure, defrost tim…

Main causes: blocked vents, defrost system problems, evaporator fan failure, dirty condenser coils, bad sensors, condens…

Main causes: blocked air vents, compressor problems, condenser or evaporator fan not working, control system failure, se…

Main causes: water valve leaking, frozen or broken defrost drain tube, overflowing drain pan, cracked water system tubin…

Main causes: damaged door seal, faulty defrost sensor or bi-metal thermostat, broken defrost heater, bad defrost timer o…

Things to do: clean condenser coils, replace the water filter, clean the interior, adjust doors to prevent air leaks, cl…

Main causes: jammed ice cubes, broken ice maker assembly, dirty water filter, kinked water line, bad water valve, freeze…

Most common repair guides to help fix your refrigerators

These step-by-step repair guides will help you safely fix what’s broken on your refrigerator.

How to replace a refrigerator temperature control board

How to replace a refrigerator temperature control board

If the temperature in your refrigerator doesn't match the temperature you set, the problem could be the temperature cont…

Repair time and Difficulty

 30 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair time and Difficulty

 15 minutes or less
How to clean refrigerator condenser coils

How to clean refrigerator condenser coils

Help your refrigerator run more efficiently by cleaning the condenser coils. It's easy and takes just a few minutes.…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your refrigerators

Use the advice and tips in these articles and videos to get the most out of your refrigerator.

How to Replace the Water Filter in a Universal/Multiflex Refrigerator

How to Replace the Water Filter in a Universal/Multiflex Refrigerator

Learn how easy replacing the water filter in a Universal/Multiflex refrigerator is.…

How to Replace the Water Filter in a KitchenAid Refrigerator

How to Replace the Water Filter in a KitchenAid Refrigerator

Discover how easy it is to replace the water filter in your KitchenAid refrigerator.…

Troubleshooting a refrigerator not cooling video

Troubleshooting a refrigerator not cooling video

Learn what to check if the inside of your fridge is wayyyy too warm.…

Parts & More

Bottom-Mount Refrigerator
Canister Vacuum
Dishwasher
Electric Range
Freestanding Freezer
Front-Engine Lawn Tractor
Gas Walk-Behind Mower
Lawn Sweeper
Parts
Top-Mount Refrigerator
Wall Oven
Washer