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Samsung Refrigerator Error Code 40E

Medium Severity 🔧🔧 Moderate DIY Also shown as: 40C

Ice maker sensor failure — ice maker position sensor

A sensor in the ice maker assembly that monitors the ice tray or ejection arm position has failed.

💰 DIY cost: $15–$150 👨‍🔧 Pro cost: $150–$350 Save $135+ by doing it yourself

What Does Error Code 40E Mean on a Samsung Refrigerator?

Ice maker sensor failure — ice maker position sensor.

A sensor in the ice maker assembly that monitors the ice tray or ejection arm position has failed.

What Causes Error Code 40E?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

  1. 1
    Ice maker position sensor failure 55% of cases
  2. 2
    Ice jam preventing sensor from reading correctly 35% of cases
  3. 3
    Wiring to sensor damaged 10% of cases

How to Fix Samsung Refrigerator Error Code 40E

🔧🔧 Moderate DIY Est. time: 30–60 min
Safety first: Unplug the appliance before opening any panels or touching internal components.
  1. 1

    Defrost ice maker

    Let the ice maker area fully thaw.

  2. 2

    Test and replace position sensor

    Access the ice maker assembly and test the sensor.

    🔩 Samsung ice maker sensor ($15–$40)
  3. 3

    Replace ice maker module

    If individual sensor is not serviceable.

    🔩 Samsung ice maker assembly ($80–$150)

How to Reset Error Code 40E

Press ice maker reset button after repair.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

When to Call a Professional

If ice maker is replaced and error persists, control board ice maker input has failed.

Average professional repair cost for this issue: $150–$350

Related Error Codes

Find Replacement Parts

Use these links to find the exact replacement parts for your Samsung Refrigerator:

External links — ApplianceErrors.com is not affiliated with these retailers.

Frequently Asked Questions

What does error code 40E mean on a Samsung Refrigerator? +
Ice maker sensor failure — ice maker position sensor
How do I fix error code 40E on my Samsung Refrigerator? +
Start by Let the ice maker area fully thaw.. If that doesn't resolve it, work through each step in the fix guide above.
How do I clear or reset error code 40E? +
Press ice maker reset button after repair.
Is error code 40E serious? +
Medium severity. The appliance may still operate but the issue should be resolved to prevent further damage.