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mitsubishi | refrigerator – Room Temperature Sensor Error
Error Codes (undefined): Troubleshooting, Fixes & Prevention Tips explained below.

What Does Rt(room temperature sensor error)❓

If your LG refrigerator shows RT or Room Temperature Sensor Error, it means the sensor that measures the ambient temperature outside the fridge compartments is not working correctly. This sensor helps adjust internal cooling levels. If it fails, the refrigerator might overcool or undercool based on wrong readings.

refrigerator - Possible Causes of the RT Error

  • Loose or disconnected room sensor wire
  • Room sensor is damaged or shorted
  • Moisture or dust buildup on sensor
  • Corroded or burnt sensor terminals
  • Faulty control board can't read sensor input

refrigerator - How to Fix the RT Sensor Error Step-by-Step❓

  • Power Cycle the Refrigerator

    1. Unplug the fridge or switch off the power.
    2. Wait 5–10 minutes and plug it back in.

  • Access the Room Sensor

    1. Locate the room sensor, often near the control panel or behind the unit.
    2. Carefully open the panel if needed.

  • Inspect Wiring and Connection

    1. Check if the sensor is connected properly.
    2. Look for loose or damaged wires.

  • Replace the Sensor if Needed

    1. Use a compatible LG room sensor.
    2. Follow instructions for your model or call a technician.

  • Call an Expert

    1. If the problem continues, contact LG service or a qualified technician to test the PCB and sensors.

refrigerator - Tips to Prevent Room Sensor Errors in the Future

  • Keep the fridge in a clean, dry place
  • Avoid blocking airflow around the sensor area
  • Don't spray water or cleaner near sensor openings
  • Unplug before inspecting internal components
  • Get professional service once a year

Common Questions About Room Temperature Sensor Fault❓

Question: Can I ignore the RT error and keep using the fridge?
Answer: Not recommended. Incorrect room temperature readings may cause the fridge to overwork or undercool.
Question: Where is the room sensor located?
Answer: Usually near the display/control panel or the rear panel, depending on the model.
Question: How much does a room sensor replacement cost?
Answer: Typically ₹500–₹1200, not including technician charges.
Question: Will resetting the fridge fix the issue?
Answer: If it's a temporary glitch, yes. Otherwise, a sensor replacement may be required.
Question: Is it safe to replace the sensor myself?
Answer: Only if you are confident working with electronics and have the right part. Otherwise, call a technician.

When to Contact a Technician

If you experience any of the following issues even after completing the recommended troubleshooting steps, please contact an authorized service technician or our support team for further assistance.

  • The same error appears repeatedly after restarting or resetting the unit.
  • Multiple error codes appear simultaneously.
  • The device makes unusual noises, vibrations, or emits a burning smell.
  • The product fails to start, operate, or complete its function despite troubleshooting.
  • There are signs of electrical issues, physical damage, or leakage.
  • An unknown or unlisted error code appears on the display.

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