LG refrigerator
showing rT
This one concerns the room temperature sensor, which tells the control how warm the kitchen around the appliance is.
Mon–Sat, 8am–8pm
- Sensor circuit
- Controls and sensors
- Source: LG
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What rT
actually means.
This one concerns the room temperature sensor, which tells the control how warm the kitchen around the appliance is. LG says the sensor circuit is either shorted or open. There are no owner steps listed for it.
LG refrigerator display · also shown as rt
What to do when rT shows on the refrigeratorKind of codeSensor circuit
A temperature sensor reading outside its range, or the wiring to it. The reading is confirmed with a meter before any part is ordered.
Usually leads toControls and sensors
A refrigerator cools to what it believes the temperature is, and a sensor reading wrong is obeyed perfectly.
Shows up asRefrigerator Freezing Food
Lettuce frozen solid and milk with ice in it, in a compartment that is not supposed to freeze.
MakeLG
French door refrigeration with linear compressors and heavily instrumented controls.
SourceLG US support: refrigerator error code list (Wayback copy, Feb 2024)
LG writes it both rT and rt; the display usually shows lower case.
Before you book,
in this order.
Each step comes from LG's own guidance for rT on its refrigerators. Follow it to the end: the last card says whether this is a visit.
Note the code and the model number.
Check that both compartments are still holding temperature.
Book a repair visit.
What not to do
It is not a warning that the kitchen is too hot or too cold. That is a separate message on LG displays; rT is about the sensor itself.
What you may
notice with it.
The refrigerator problems rT tends to arrive with. Answer these at the refrigerator before anyone is booked.
All problems
Refrigerator Freezing Food
5 causes, cheapest first
Where rT usually leads
Controls and sensors.
Read these
before the visit.
Short guides that make the call quicker and the diagnosis cheaper.
All guidesLG
refrigerators.
French door refrigeration with linear compressors and heavily instrumented controls.
LG refrigerator repairMore LG codes
All 14 LG codesSensor circuit on other makes
In LG's own words
A rt error code indicates a shortened or open room temperature sensor.
Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. LG writes it both rT and rt; the display usually shows lower case.
LG rT refrigerator repair,
where we come out.
The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered.
All service areasTampa BayFL · 31 areas
Miami / South FloridaFL · 47 areas
New York MetroNY · 75 areas
HoustonTX · 36 areas
ChicagoIL · 50 areas
Los AngelesCA · 95 areas
San DiegoCA · 31 areas
Questions
about rT.
Can I clear rT myself?
Is rT on my LG telling me the kitchen is too hot?
Can I keep using my LG with rT on the display?
Back to your everyday
Still showing rT?
Book with the exact characters, the full model number, and whether it is still cooling — on a code, that is the whole starting point.