LG Refrigerators

Error Code F dS

Freezer defrost sensor defect

Moderate

Address soon - your appliance may not work properly

How to Fix

  1. 1

    Check for loose or disconnected connector between defrost controller and sensor; reconnect or repair if found.

  2. 2

    Measure sensor resistance at CON8 pins 26–25. If 0 ohms (short), replace the sensor.

  3. 3

    If infinite (open), replace the product.

  4. 4

    Compare resistance to temperature/resistance table. If out of range, replace sensor.

  5. 5

    If within spec, explain to customer.

  6. 6

    If defrost sensor resistance is approximately 22k ohms or open, replace the product.

This Error Applies To

LG LL31H6530S Series Refrigerators

Service manual exact match: LL31H6530S

Need more help with your LG refrigerators?