LG LRMDC2306DRefrigerator

Error Code E rS

Refrigerator Sensor Error — short or open circuit in the fresh food compartment thermistor

Moderate

Address soon - your appliance may not work properly

Also displayed as: E rS

How to Fix

  1. 1

    Check for loose or disconnected connector between Main PCB and refrigerator sensor at CON4 pins 16~15.

  2. 2

    If connector is loose or disconnected, reconnect or repair the connector.

  3. 3

    Measure sensor resistance at CON4 pins 16~15. If resistance is 0 ohm (short), replace the sensor.

  4. 4

    If resistance is infinite/open, check sensor connection harness integrity.

  5. 5

    If sensor connection is normal but resistance reads open, replace the sensor.

  6. 6

    Compare resistance to temperature table. If value is outside expected range, replace the sensor.

  7. 7

    If all sensor checks pass, explain normal operation to customer.

  8. 8

    If PCB is suspect, replace the main PCB.

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