What size is the LG LMXS30776S?
The LG LMXS30776S measures 35 3/4 inches wide x 39 1/8 inches deep x 70 1/4 inches high. With the door open, depth is about 51 inches. These dimensions come from the model’s published specifications in the owner's manual.
Dimensions at a glance
- Width: 35 3/4 in (908 mm)
- Depth (doors closed): 39 1/8 in (994 mm)
- Height: 70 1/4 in (1785 mm)
- Depth (door open): 51 in (1295 mm)
- Net weight: 391 lb (177 kg)
Measuring tips before you buy or move the fridge
- Measure the doorway width and height on the path to the kitchen.
- Confirm depth clearance for door swing and drawer pull-out (use the 51-inch door-open depth as your planning number).
- Allow space behind the unit for water line routing if you use the ice maker and dispenser.
- Check that the floor is level and can handle the weight when loaded.
- Plan for ventilation space around the cabinet (use the clearances shown in the owner's manual).
Common “size” terms (what people usually mean)
| If you mean… | What to use for LMXS30776S |
|---|---|
| Overall width | 35 3/4 in |
| Overall height | 70 1/4 in |
| Fits in a cabinet opening | Use width and height plus required clearances |
| How far it sticks out | 39 1/8 in closed; 51 in with door open |
Why it matters
Getting the correct width, depth, and door-open clearance prevents delivery problems, ensures the French doors and freezer drawer open fully, and helps avoid kinks in the water line that can cause ice maker or dispenser flow issues.
If you’re planning a water hookup refresh during installation, you can also find water-system parts for this model on the parts list, or search by model number on Sears PartsDirect.
Last updated: February 2026
What is the average lifespan of an LG fridge?
LG refrigerators typically last 12 to 15 years. For the LG LMXS30776S, lifespan depends most on sealed-system health (compressor, evaporator), airflow, and water system upkeep; following the care and troubleshooting guidance in the owner's manual helps you get the full expected service life.
Typical lifespan (what to expect)
Most modern French door and bottom-mount refrigerators land in this range when used normally:
- Average: 12 to 15 years
- Shorter lifespan drivers: heavy ice maker use, restricted airflow, dirty coils, frequent door openings
- Longer lifespan drivers: stable temperatures, good door sealing, clean airflow paths, timely filter changes
Quick reference
| Item | Typical expectation | Why it matters |
|---|---|---|
| Overall refrigerator life | 12 to 15 years | Helps plan repair vs. replace decisions |
| Sealed system components | Often the “make-or-break” items | Compressor/evaporator issues are major repairs |
| Water/ice system parts | Common wear area | Filters, valves, and switches affect performance |
Maintenance that extends life
We see the biggest reliability gains from a few simple habits:
- Keep vents inside the fresh food section and freezer unblocked for proper airflow.
- Set stable temps (commonly 37°F fresh food, 0°F freezer) and avoid frequent changes.
- Replace the water filter on schedule to reduce restriction and protect the water system; the parts assembly,ice water ADQ73613401 is a common replacement item for this model.
- Watch for slow fill or no ice, which can strain components; the LG refrigerator water inlet valve AJU72992603 is a frequent cause when water supply is good.
- Address cooling symptoms early (warm temps, unusual noise, long run times) to prevent secondary damage.
Why it matters
A refrigerator can “run” while slowly losing cooling efficiency. Catching early signs (temperature swings, frost buildup, weak water flow) helps prevent food loss and reduces the chance that a small airflow or water issue turns into a sealed-system problem.
When a repair is usually worth it
| If your fridge is… | Repair is usually smart when… |
|---|---|
| Under ~8 years old | The issue is a fan, sensor, valve, or dispenser component |
| 8 to 12 years old | Repair cost is modest and cooling performance returns to normal |
| 12+ years old | Repair is minor (switch, tubing, filter housing) and the sealed system is healthy |
For parts and diagrams specific to LMXS30776S, order from the parts list for this model or search by model number on Sears PartsDirect.
Last updated: February 2026
What is the most common problem with an LG refrigerator?
For LG refrigerators like model LMXS30776S, the most common customer-reported issue is a cooling failure (refrigerator or freezer too warm). In many cases, the root cause is in the sealed-system or airflow side of the refrigerator, so we start with the quick checks in the owner's manual before moving to parts-level diagnosis.
Most common symptoms we see
- Refrigerator section too warm, freezer also warming
- Clicking, buzzing, or repeated start attempts from the back of the unit
- Frost buildup on the rear freezer panel (airflow restriction)
- Weak ice production or slow water dispensing (often a separate water-supply issue)
- Temperatures swing after frequent door openings or blocked vents
Quick checks first (no parts needed)
These steps match the troubleshooting guidance for this LG model:
- Give it time after install or power loss: allow up to 24 hours to stabilize.
- Check airflow: keep food from blocking interior air vents.
- Reduce door-open time: frequent/long openings raise temps and moisture.
- Clean the condenser cover and vents: use a vacuum with a brush attachment; do not remove the condenser panel.
- After unplugging: wait at least 5 minutes before plugging back in.
When it points to a part
If the quick checks do not restore normal cooling, these are common repair paths for LMXS30776S:
| What you notice | Common area to test | Example part on this model page |
|---|---|---|
| Not cooling, compressor tries to start | Sealed system/compressor circuit | Refrigerator compressor TCA38091801 |
| Warm temps plus heavy frost/poor airflow | Defrost system | Refrigerator defrost heater assembly MEE62805303 |
| Water dispenser weak or no ice fill | Water supply/valve/filter | LG refrigerator water inlet valve AJU72992603, parts assembly,ice water ADQ73613401 |
Why it matters
A “not cooling” complaint can be caused by simple airflow or condenser-vent blockage, and fixing that early prevents food spoilage and reduces strain on the compressor and evaporator system.
Helpful DIY guidance
You can order replacement parts for LG LMXS30776S from the parts list for this model, or search by model number on Sears PartsDirect.
Last updated: February 2026





