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LG LFX28978SB/02 refrigerator

LG LFX28978SB/02 refrigerator Parts

Here are the diagrams and repair parts for LG LFX28978SB/02 refrigerator, as well as links to manuals and error code tables, if available.

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LG Refrigerator LFX28978SB/02 FAQs

The LG LFX28978SB is a French door, bottom-mount refrigerator (capacity about 27.6 cu. ft. total), so it is not a “288 liter” model. Pricing for a 288 L LG refrigerator varies by the exact model number, finish, and retailer; use the model tag inside the fresh food section to match the correct price.

How to identify the exact 288 L model you are pricing

To get an accurate price, we match the refrigerator’s model number and suffix (for example, a dash number) to the listing.

  • Open the fresh food doors and look for the model and serial label on an inside wall
  • Write down the full model number and suffix exactly as shown
  • Confirm the finish color (stainless, black stainless, etc.)
  • Check whether it is single door, top freezer, or bottom freezer
  • Compare capacity units: 288 L is about 10.2 cu. ft.

For LG LFX28978SB-SPECIFIC details (features, specs, and capacity), use the LFX28978SB owner's manual.

Why the “288 L” detail matters

288 liters is a much smaller refrigerator size than the LG LFX28978SB. Mixing up liters and cubic feet (or mixing model families) is the most common reason customers see prices that do not match what they own.

Capacity label Approx. equivalent Typical product size
288 L ~10.2 cu. ft. Compact to small full-size fridge
LFX28978SB (manual) 18.82 cu. ft. fresh food + 8.79 cu. ft. freezer Full-size French door

If you are shopping parts instead of a new refrigerator

If your goal is to estimate repair cost on the LG LFX28978SB, part prices vary widely by what failed. For example, sealed-system repairs often involve major components like the refrigerator compressor TCA38091801.

Last updated: January 2026

Most LG refrigerators, including model LFX28978SB, last 10 to 15 years with normal home use. Regular care (cleaning, correct temperatures, and good airflow) helps you reach the high end of that range; the sealed system and linear compressor warranty terms are listed in the LFX28978SB owner's manual.

Typical lifespan and what affects it

A refrigerator’s life depends most on compressor run time, heat removal, and how well doors seal.

  • Condenser cleanliness: Dusty coils make the compressor work harder.
  • Door seal condition: Air leaks cause longer run times and temperature swings.
  • Room temperature and ventilation: Tight cabinets and hot garages shorten life.
  • Ice and water system upkeep: Clogged filters and low water flow strain components.
  • Loading habits: Overpacking blocks airflow; underpacking can cause temperature swings.

Quick maintenance plan (high impact)

Use this simple schedule to extend service life.

Task How often Why it helps
Clean condenser area and grille Every 6 to 12 months Reduces compressor heat and run time
Replace water filter About every 6 months Protects water flow and dispenser performance
Verify temps (fresh food and freezer) Monthly Prevents overcooling and excess run time
Check door closing and gaskets Monthly Stops warm air leaks and frost buildup

If you need the correct filter for this model, match it to the refrigerator water filter AGF80300702.

Why it matters

A refrigerator that runs hotter, longer, or with frequent door air leaks wears out key sealed-system components faster. Keeping airflow clear and temperatures stable reduces stress on the compressor and helps the refrigerator cool efficiently.

When to plan for repair vs replacement

These symptoms often point to a repair decision point:

  • Warm refrigerator section but freezer still cold
  • Loud or frequent compressor cycling
  • Frost buildup or moisture around the ice room
  • Weak water dispensing or slow ice production
  • Temperature fluctuations that spoil food

Last updated: January 2026

On the LG LFX28978SB, a bottom leak usually comes from a defrost drain that is clogged and overflowing into the base, or from the water/ice system (filter, tubing, reservoir, or inlet valve) dripping and running down to the bottom. Use the LFX28978SB owner's manual to locate access points and follow safe shutoff steps.

Quick checks that pinpoint the source

  • Water only when using dispenser or ice maker: focus on the water supply path.
  • Water shows up after a defrost cycle (often intermittent): focus on the defrost drain.
  • Water inside the fresh food section then runs down: check door sealing and internal drains.
  • Clear water near the front: often dispenser line, reservoir, or filter area.
  • Water near the back/bottom: often inlet valve, tubing connections, or drain pan area.

Step-by-step fixes we recommend

  1. Unplug the refrigerator and turn off the household water supply valve.
  2. Check the water filter and housing; a recently changed filter can drip until fully seated.
  3. Inspect tubing for kinks, cracks, or loose fittings, especially where it routes through the cabinet.
  4. Clear the defrost drain (common cause): remove debris/ice so meltwater flows to the drain pan.
  5. Confirm doors close fully; warm air leaks can increase frost and defrost water, which can overwhelm a partially blocked drain.

Parts that commonly cause bottom leaks on this model

Symptom Most likely area Example part to inspect
Drips behind unit Water supply connection LG refrigerator water inlet valve AJU72992601
Drips under crisper area Chilled water storage Refrigerator water reservoir AJL72911502
Slow seep near hinge/channel Internal water routing Refrigerator water tubing AJR56656503

Why it matters

Even a small leak can damage flooring and can also lead to ice buildup, odor, and cooling issues if the defrost drain is restricted or if doors are not sealing well.

Helpful DIY guidance

For filter-related leaks and proper seating, follow how to change the water filter in an LG refrigerator.

Last updated: January 2026

On the LG LFX28978SB refrigerator, the most common service issue customers report is a cooling problem related to the sealed system and compressor operation (warm refrigerator or freezer, long run times, or cycling). Other frequent problems are ice maker and water dispenser performance, leaks, and temperature swings.

Most common symptoms to watch for

  • Refrigerator section warming above 40¬∞F while the freezer seems ‚Äúokay‚Äù at first
  • Compressor running too long, cycling on and off, or not running at all
  • Unusual noises from the back or bottom area (fan or compressor area)
  • Ice maker stops producing, slow ice production, or clumping in the bin
  • Water dispenser slows down, tastes off, or leaks appear under the unit

Quick checks we recommend first (before replacing parts)

Use the troubleshooting section in the owner's manual to match your symptom to the most likely cause.

  1. Confirm controls and power: Make sure the refrigerator control is on, the outlet has power, and the cord is fully seated.
  2. Allow recovery time: After a power outage, door left open, or warm food load, cooling can take hours to stabilize.
  3. Check airflow: Avoid blocking vents with food packages; poor airflow causes uneven temperatures.
  4. Look for ice and water clues: If dispenser water is weak or ice is hollow, focus on filter, supply, and valve checks.

Parts that commonly relate to these problems on LFX28978SB

The right part depends on the symptom. These are common “suspects” for cooling, ice, and water complaints:

Symptom Common system area Example part for this model
Not cooling or poor cooling Sealed system / compressor Refrigerator compressor TCA38091801
Ice not dispensing or auger not turning Dispenser / auger drive Refrigerator auger motor EAU59551204
No water to dispenser or ice maker Water supply / valve LG refrigerator water inlet valve AJU72992601
Temperature swings or odd readings Sensor / thermistor Refrigerator temperature sensor 6500JB2001B

Why it matters

Cooling problems can lead to food spoilage quickly, and ice or water issues often trace back to simple maintenance (filter changes, purging air, or supply checks). Starting with symptom-based troubleshooting helps you avoid replacing the wrong part.

For dispenser and filter-related issues, follow how to change the water filter in an LG refrigerator for the correct replacement timing and steps.

Last updated: January 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…

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