LG LS23NCP20 refrigerator repair

Identifying LS23NCP20

This number refers to a 23.4 cu ft side-by-side LG refrigerator. It is a near sibling of the LS23C4000 by size, but neither number points to a series name. We treat the two as separate models.

When food freezes in the fresh-food side

If lettuce turns glassy or milk forms crystals, cold air is entering the fresh-food compartment more than it should. The cause might be a stuck damper, a sensor reading wrong, or food stacked against the vent. The relevant sensor codes include the upper sensor code and the lower sensor code. Our article on food freezing in the refrigerator lays out the checks in order.

Fans, frost and sound

Side-by-side models move air with fans on both sides. A scraping or chirping noise from the freezer wall often follows frost that has crept onto a fan, and a fan that cannot spin triggers a code. See the freezer fan code and the refrigerator fan code. A condenser fan near the base can also complain when dust packs around it; the condenser fan code covers that.

Installation notes

Side-by-side cabinets are tall and heavy on one side when loaded, so a floor with a slight slope shows up as door drift. Doors that swing open on their own, or fail to close, are worth a level check before anything else. In rented flats the refrigerator is sometimes pushed against the wall to gain room; leave a gap at the back so the water line and air can move.

Before the visit

1. Rearrange food so nothing touches the vents.
2. Note which shelf or bin freezes things.
3. Do not scrape ice from the fan area.
4. Photograph the label and the display.

See LG refrigerator repair and the LG refrigerators overview for how bookings work. A written estimate follows diagnosis, and you decide whether to go ahead.

Reading the interior for clues

Notice where frost sits, which shelf is coldest and whether the fan noise changes when the doors are open. A fan that runs only with the door closed points toward a different part than one that runs all the time. Jot down what you observe for a day, because patterns help the technician more than a single snapshot.

Frequently asked questions