Error code · Refrigerator

LG Refrigerator Code rS: Upper Sensor Open or Shorted

Medium · inspection needed

Code: rS
Appliance: Refrigerator
Brand: LG
Warranty: 30-day workmanship

What rS means

For LG refrigerators with an LED or LCD temperature display, rS is a short or a disconnection in the refrigerator sensor circuit, which the digital and analog listing places at the upper part of the compartment, labeled R1. The control cannot get a clean reading from that sensor, so it may cool by guesswork. You may see food freezing at the back or a fresh-food side that runs warm. The code can also appear as Er rS.

Common causes of rS

A sensor plug that has loosened or corroded
A sensor wire that is pinched, cut or shorted
Whether the upper sensor itself reads in range
The sensor input on the main board

✓ One safe check you can try

1. Note whether the display shows rS or Er rS. 2. Make sure nothing is wedged against the back wall of the fresh-food section, and that the doors seal fully. 3. Check the temperature of the food and move anything delicate to a cooler if it feels off. 4. Call us to schedule a visit, because there are no owner repair steps for this code.

! Why to stop there

A short and an open wire read differently at the sensor, and we test the circuit to learn which one the control is seeing.
If the sensor reads correctly, the problem moves to the wiring or the board, and we do not replace parts on a guess.
We give a written price before work starts, and the repair is covered by a 30-day workmanship warranty.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

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Other Refrigerator codes

SbLG Refrigerator Code Sb: Sabbath Mode On Sd, CI, IU, d1, d2, d, H1, H2, US, LS, E1, E2, r, Id, gSLG Refrigerator Codes Sd, CI, IU and 12 Others: Self-Check Group SSLG Refrigerator Code SS: Pantry or Water Tank Sensor ttLG Refrigerator Code tt: Water Tank Not Detected iTLG Refrigerator Code iT: Ice Maker Motor OdLG Refrigerator Code Od: Wi-Fi Module Link OFFMessage "OFF" on LG Refrigerators r2LG Refrigerator Code r2: Lower Compartment Sensor

rSrS questions

What does rS mean on an LG refrigerator?

It means the control sees a short or a disconnection in the refrigerator sensor circuit. The listing ties it to the upper part of the compartment.

Can I keep using the refrigerator with rS?

The cooling may still run, but it is not following a real temperature reading. Watch the food, keep the doors closed, and have us check it soon.

Is the sensor the only possible cause?

No. A loose plug, damaged wire or board input can give the same code, which is why we test the circuit before replacing any part.

Book a visit

Still seeing rS?

A technician diagnoses it on site and gives you the price in writing before any work starts.

(713) 597-5662