Kenmore Refrigerator Error ER-FS

⚡ Quick Answer: The Kenmore refrigerator ER-FS error indicates a failure in the freezer temperature sensor, leading to improper cooling and unstable temperatures in t... ⚠️ Difficulty Varies

What Does Error ER-FS Mean?

The Kenmore refrigerator ER-FS error indicates a failure in the freezer temperature sensor, leading to improper cooling and unstable temperatures in the freezer compartment. This error can prevent the freezer from reaching or maintaining the desired cold temperature, which may affect food preservation.

Common Symptoms:

  • Error code "Er FS" displayed on control panel
  • Freezer temperature may not regulate properly
  • Freezer compartment may not reach or maintain desired cold temperature

Possible Causes

  • Freezer temperature sensor (thermistor) failure (medium)
  • Loose or damaged wiring/connectors between freezer sensor and control board (medium)

How to Fix Error ER-FS

DIY Fix Basic Checks for Er FS

  1. Ensure the refrigerator is powered on and stable
  2. Observe whether freezer compartment is maintaining temperature
  3. Check for error code display consistency (persistent vs intermittent)

Technician Only Diagnose and Repair Freezer Sensor Circuit

  1. Unplug refrigerator from power
  2. Locate freezer temperature sensor (thermistor) inside freezer compartment, typically on evaporator or rear wall
  3. Visually inspect wiring harness and connectors for damage or loose connections
  4. Test sensor resistance with a multimeter and compare to expected values for the model
  5. Replace faulty thermistor if out of specification
  6. Repair or replace damaged wiring/connectors as needed
  7. Verify communication to main control board and clear error code

Parts needed: Freezer temperature sensor (thermistor), Wiring harness/connectors, Possibly main control board if diagnostics indicate

🛑 When to Call a Pro:
  • If you are not comfortable accessing internal components or using multimeter tools
  • If replacing sensor and wiring does not clear the error
  • If there are signs of control board failure or additional error codes

Technical Specifications

wattage
component Freezer Temperature Sensor
resistance 10k ohms at room temperature
part_number W10664827
voltage_rating 120V AC

Common Questions

What does ER-FS error mean on kenmore refrigerator?

ER-FS indicates a failure in the freezer temperature sensor, resulting in poor temperature regulation.

Can I fix kenmore refrigerator ER-FS error myself?

Yes, you can check for power and temperature consistency, but internal repairs may require a technician.

How much does it cost to fix ER-FS error?

Repair costs range from $50 to $200 for parts, with additional technician labor.

When should I call a technician for ER-FS?

Call a technician if you're unsure about repairs, or if the error persists after replacing the sensor.

Data last verified: 2026-02-19

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