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LG Refrigerators

Error Code E rt

Room temperature sensor defect — short-circuit or disconnection of RT sensor

Moderate

Address soon - your appliance may not work properly

Also displayed as: E rt

How to Fix

  1. 1

    Step 1: Check connector between Main PCB and RT sensor for loose or broken connection.

  2. 2

    Step 2: Measure RT sensor resistance and compare to reference chart.

  3. 3

    Step 3: If 0 Ω, sensor is shorted — replace sensor.

  4. 4

    Step 4: If open (OL), replace sensor.

  5. 5

    Step 5: If resistance is within spec, check harness routing for pinch or damage.

This Error Applies To

LG LRFLS3206S Series Refrigerators

Service manual exact match: LRFLS3206S

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