Sub-Zero Refrigerator Error Code 50: How To Clear And Fix


Dealing with a Sub-Zero refrigerator error code 50 can be frustrating, especially when you’re unsure how to clear and fix it. In this comprehensive guide, we will walk you through the necessary steps to resolve this issue and provide expert tips to prevent it from happening again. Additionally, we’ve included a helpful FAQ section to address common questions and concerns. So, let’s get started! 😊

Resolve the Sub-Zero refrigerator error code 50 with our in-depth guide, including step-by-step troubleshooting, expert tips, and answers to common questions.


Identifying the Error Code 50

Error code 50 on a Sub-Zero refrigerator indicates a problem with the ice maker system. This code typically appears when the appliance’s control board detects that the ice maker’s thermistor is out of range or faulty.

Troubleshooting Steps

  1. Check the ice maker: The first step in resolving the error code 50 is to inspect the ice maker for any visible damage, blockages, or loose connections. Ensure that the ice maker is securely connected and functioning correctly.
  2. Examine the thermistor: The thermistor is a small temperature sensor responsible for monitoring the ice maker’s temperature. If it’s malfunctioning or damaged, it may trigger the error code 50. Carefully inspect the thermistor and replace it if necessary.
  3. Reset the refrigerator: Sometimes, a simple reset can clear the error code and resolve the issue. To perform a reset, unplug your Sub-Zero refrigerator from the power source, wait for a few minutes, and then plug it back in. This process will reset the appliance’s control board and may clear the error code.
  4. Contact a professional: If the error code 50 persists after trying the steps above, it’s best to contact a certified Sub-Zero technician for further assistance. They will have the necessary tools and expertise to diagnose and repair your refrigerator effectively.
Sub-Zero Refrigerator ModelModel Number
Built-In Over-and-Under Refrigerator/FreezerBI-36U
Built-In Side-by-Side Refrigerator/FreezerBI-48S
Integrated Column RefrigeratorIC-30R
Integrated Column FreezerIC-30FI


Frequently Asked Questions

Q: How can I prevent the Sub-Zero refrigerator error code 50 from reoccurring?

A: Regular maintenance, such as cleaning the condenser coils, checking the ice maker for blockages, and ensuring proper ventilation, can help prevent error codes like the error code 50 from reoccurring.

Q: Are there any other error codes related to the ice maker?

A: Yes, Sub-Zero refrigerators may display other error codes related to the ice maker system, such as error codes 40, 48, or 24. Each code has a specific meaning and requires a different troubleshooting approach.

Q: Can I fix the error code 5050 without professional help?

A: While some troubleshooting steps can be performed by homeowners, it’s always recommended to consult with a certified Sub-Zero technician if the issue persists after trying basic troubleshooting methods. These experts have the necessary knowledge and tools to accurately diagnose and fix the problem.

Q: How long do Sub-Zero refrigerators typically last?

A: With proper care and maintenance, Sub-Zero refrigerators can last up to 20 years or even longer. However, the lifespan may vary depending on the specific model, usage, and maintenance practices.



In summary, the Sub-Zero refrigerator error code 50 is related to a problem with the ice maker system, specifically the thermistor. By following our troubleshooting steps, you can potentially clear and fix the issue. However, if the problem persists, it’s best to contact a certified Sub-Zero technician for further assistance.

Regular maintenance and care can help prevent error codes from reoccurring and ensure your refrigerator operates efficiently for years to come. Don’t forget to clean the condenser coils, check the ice maker for blockages, and maintain proper ventilation. By taking these preventive measures, you can extend the life of your Sub-Zero refrigerator and avoid costly repairs. 🛠️

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