LG LRMDC2306SRefrigerator

Error Code r dS

Refrigerator Defrost Sensor Error — short or open circuit in the refrigerator defrost sensor

Moderate

Address soon - your appliance may not work properly

Also displayed as: r dS

How to Fix

  1. 1

    Check for loose or disconnected connector between Main PCB, Defrost Controller, and sensor at CON4 pins 20~19.

  2. 2

    If connector is disconnected, reconnect or repair.

  3. 3

    Measure sensor resistance at CON4 pins 20~19. If 0 ohm (short), replace the sensor.

  4. 4

    If resistance is infinite/open, replace the sensor.

  5. 5

    Verify resistance vs. temperature table. Replace sensor if out of range.

  6. 6

    If sensor is normal, explain operation to customer.

  7. 7

    If issue persists after sensor replacement, replace the main PCB.

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