Kenmore Refrigerator Error ER-RT

⚡ Quick Answer: The Kenmore refrigerator error code ER-RT signifies a malfunction in the internal room temperature sensor. This issue can lead to erratic temperature ... ✅ DIY Fixable

What Does Error ER-RT Mean?

The Kenmore refrigerator error code ER-RT signifies a malfunction in the internal room temperature sensor. This issue can lead to erratic temperature readings and inadequate cooling performance. Common symptoms include the error code displayed on the temperature panel and inconsistent internal temperatures, which may indicate a faulty sensor or a wiring issue. Addressing this promptly is essential to maintain optimal refrigeration.

Common Symptoms:

  • Error code ER‑RT displayed on refrigerator temperature display
  • Refrigerator may not regulate internal temperature correctly
  • Possible inaccurate temperature readings in refrigerator compartment

Possible Causes

  • Faulty room temperature sensor (medium)
  • Wiring or connector issue related to the sensor (medium)

How to Fix Error ER-RT

DIY Fix Basic checks and reset

  1. Ensure the refrigerator doors are fully closed and unit is plugged in
  2. Visually inspect visible wiring at accessible panels for obvious damage
  3. Unplug the refrigerator from power for several minutes, then plug it back in to clear transient errors

Technician Only Inspect and replace sensor and wiring

  1. Disconnect power to the refrigerator
  2. Access the room temperature sensor location inside the refrigerator compartment
  3. Test the sensor for proper resistance values according to manufacturer specifications
  4. Inspect and repair/replace any damaged wiring or connectors
  5. Replace the room temperature sensor if it fails testing
  6. Reassemble and test refrigerator operation

Parts needed: Room temperature sensor, Wiring harness/connectors

🛑 When to Call a Pro:
  • If error persists after basic user‑level checks and reset
  • If you notice other symptoms like loss of cooling or erratic temperature variation

Technical Specifications

wattage
component Temperature Sensor
resistance 5k-10k ohms
part_number W10664820
voltage_rating 120V AC

Common Questions

What does ER-RT error mean on kenmore refrigerator?

The ER-RT error indicates a malfunction in the internal room temperature sensor, causing temperature regulation issues.

Can I fix kenmore refrigerator ER-RT error myself?

Yes, you can perform basic checks like ensuring doors are closed and resetting the fridge by unplugging it.

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

The estimated repair cost for the ER-RT error ranges from $50 to $200, depending on parts and labor.

When should I call a technician for ER-RT?

Call a technician if the error persists after basic checks or if you experience significant cooling loss.

Data last verified: 2026-02-19

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