LG Refrigerators

Error Code rt E

Room Temperature Sensor Error

Moderate

Address soon - your appliance may not work properly

Also displayed as: rt E

How to Fix

  1. 1

    Check each sensor and its connector for loose or damaged connections.

  2. 2

    Unplug the room temperature sensor connector.

  3. 3

    Measure resistance across sensor pins.

  4. 4

    If 0 ohm (short): Replace the room temperature sensor.

  5. 5

    If open (infinite/OL): Replace the room temperature sensor.

  6. 6

    If resistance is within expected range for ambient temperature, inspect wiring harness for damage.

This Error Applies To

LG LFCS22520B Series Refrigerators

Service manual exact match: LFCS22520BService manual exact match: LFCS22520SService manual exact match: LFCS22520WService manual exact match: LFNS22520S

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