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Model library · LG Refrigerator

LFX31925SB

LG LFX31925SB 31 Cu. Ft. French Door Repair

LG refrigerator

Most common issues on this model

  1. Slim SpacePlus ice maker fill and harvest
  2. Smart Cooling Plus sensors and fan speed
  3. Compressor start and run behavior
  4. Whether the freezer defrosts and drains normally

The LFX31925SB is an older LG French three-door refrigerator at 31 cubic feet, still in use in many homes. The LFX31925ST and LFX31925SW are listed with it in other finishes. It has a Slim SpacePlus Ice System and the Smart Cooling Plus System.

On a large unit of this type we compare temperatures between the fridge and freezer, then look at the sensors, fans and defrost cycle behind Smart Cooling Plus. If the cooling is steady, we test ice: the water filter, valve, and the maker’s fill and harvest. The compressor’s start and run pattern is the last item.

We take the model and serial from the label and order parts only after that. A written price is agreed first, and the repair has a 30-day workmanship warranty.

Key features

  • 31 cu. ft. capacity
  • French 3-door refrigerator
  • Slim SpacePlus Ice System
  • Smart Cooling Plus System
  • Variants LFX31925ST and LFX31925SW; 10-year limited warranty on the linear compressor (as listed)
LFX31925SBLFX31925SB questions
What is the difference between Smart Cooling and Smart Cooling Plus?

We do not guess. The LFX31925SB is listed with Smart Cooling Plus, so we test its sensors, fans and defrost cycle against thermometer readings in each section.

Do other finishes need different parts?

The LFX31925ST and LFX31925SW are listed in the same family. We still match parts by the exact model and serial on your label, never by the family name alone.

Why does the freezer frost up?

Common causes include a weak door seal, a defrost cycle that is not clearing the evaporator or a door left ajar. We check the gaskets and the defrost cycle first.

Book a visit

Book repair for your LFX31925SB

Book in about a minute, or call the desk. Same-day windows inside the Loop on most days, next-day across the rest of Houston.

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