Samsung Refrigerators2009–present

Error Code F-1-ö

Freezer defrost sensor is not responding

Moderate

Address soon - your appliance may not work properly

Also displayed as: F-1-ö

What This Means

Sensor housing separation; Connector contact error; Sensor disconnection; Short circuit in sensor circuit; Temperature out of valid sensing range

What actually causes this:

Sensor wires froze or connector is loose

First Thing to Check

Look for frost or ice crystals around the defrost sensor location

Parts Involved

F-DEF Sensor (502AT Thermistor)

How to Fix

  1. 1

    1. Check Main PCB Connector CN30 insertion

  2. 2

    2. Test F DEF Sensor unit for normal operation

  3. 3

    3. Measure voltage between CN30-#6(Pink) and REG1, Heat Sink (should be 4.6V~0.6V)

  4. 4

    4. Check IC10 MICOM #58 input voltage

  5. 5

    5. Measure resistance CN30 #6 ´ #8 and compare with temperature table

This Error Applies To

Samsung RF195AC Series Refrigerators (2009) (2009–present)

Service manual exact match: RF195ACService manual exact match: RF20HFENBService manual exact match: RF197ACService manual exact match: RF18HFENBService manual exact match: RF215ACService manual exact match: RF217AC

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