Electrolux Refrigerator Error Code 5b Error: How To Clear And Fix


Electrolux refrigerators are known for their advanced features and reliable performance. However, like any other appliance, they can experience issues over time. One such problem that Electrolux refrigerator owners might face is the Error Code 5b. This comprehensive guide will help you understand the causes of this error, how to clear it, and the steps to fix the issue. We’ll also provide useful maintenance tips and a list of relevant Electrolux refrigerator model numbers.

Discover how to diagnose and resolve the Electrolux Refrigerator Error Code 5b with our step-by-step guide. Understand the reasons behind this error and find effective solutions to get your fridge running efficiently again.


Identifying the Error Code 5b

The Error Code 5b is a specific fault code that indicates a problem with the refrigerator’s cooling system. This error can be displayed on the refrigerator’s control panel as “5b,” “Sb,” or “SY CF,” depending on the model. When this error code appears, it means that the refrigerator’s main control board is not receiving the correct information from the evaporator fan circuit.


Causes of the Error Code 5b

There are several reasons why the Error Code 5b might appear on your Electrolux Refrigerator:

  1. Faulty evaporator fan motor
  2. Damaged or disconnected wiring harness
  3. Defective main control board

It’s essential to identify the root cause of the error to fix the problem effectively.

Clearing the Error Code

Before attempting to fix the issue, you should first try to clear the Error Code 5b from your refrigerator’s control panel. To do this, follow these steps:

  1. Unplug the refrigerator from the power outlet.
  2. Wait for at least 10 minutes.
  3. Plug the refrigerator back into the power outlet.

In many cases, this simple reset process can resolve the issue, and the error code will disappear from the control panel. If the error persists, it’s time to investigate further and fix the problem.


Fixing the Error Code 5b

Step 1: Inspect the Evaporator Fan Motor

The evaporator fan motor plays a crucial role in maintaining the refrigerator’s cooling system. A faulty fan motor can cause the Error Code 5b to appear. To inspect the fan motor, follow these steps:

  1. Unplug the refrigerator.
  2. Locate the evaporator fan motor, usually found behind the back panel of the freezer compartment.
  3. Check for any visible signs of damage, such as broken blades or a burnt smell.
  4. Test the fan motor by manually spinning the fan blades. They should spin freely without any resistance.

If the fan motor is damaged or not functioning correctly, it should be replaced. You can find a suitable replacement part online or at a local appliance parts store.

Step 2: Check the Wiring Harness

A disconnected or damaged wiring harness can also cause the Error Code 5b. To inspect the wiring, follow these steps:

  1. Unplug the refrigerator.
  2. Locate the wiring harness connected to the evaporator fan motor and the main control board.
  3. Check for any loose connections, damaged wires, or signs of corrosion.

If you find any issues with the wiring harness, it should be repaired or replaced.

Step 3: Test the Main Control Board

If the evaporator fan motor and wiring harness are in good condition, the issue might lie with the main control board. In this case, you should consult a professional technician to diagnose and replace the faulty control board.

Preventive Maintenance Tips

To ensure your Electrolux refrigerator’s optimal performance and prevent issues like the Error Code 5b, follow these preventive maintenance tips:

  1. Clean the condenser coils regularly to ensure proper heat dissipation and efficient cooling.
  2. Check the door gaskets for any signs of wear or damage, and replace them if necessary to maintain an airtight seal.
  3. Keep the refrigerator clean and well-organized to allow for proper air circulation inside the appliance.
  4. Maintain a consistent temperature setting, as frequently changing the temperature can strain the cooling system.
  5. Avoid overloading the refrigerator, as this can cause the evaporator fan motor to work harder than necessary and potentially lead to issues.


Electrolux Refrigerator Model Numbers

Here are some Electrolux refrigerator model numbers that might experience the Error Code 5b:

  • EI23BC56IB3
  • EI23BC56IS3
  • EI23BC56IW3
  • EI23BC35KS
  • EI23BC80KS
  • EI28BS56IS

Please note that this list is not exhaustive, and other Electrolux refrigerator models may also experience the Error Code 5b. Always refer to your refrigerator’s user manual for specific information on error codes and troubleshooting.



The Error Code 5b in Electrolux refrigerators indicates a problem with the cooling system, typically related to the evaporator fan motor, wiring harness, or main control board. By following the steps outlined in this guide, you can effectively diagnose and fix the issue, ensuring that your refrigerator runs efficiently and maintains the desired temperature. Remember to perform regular maintenance on your refrigerator to prevent issues and prolong the appliance’s lifespan. If you’re unsure about any steps or require professional assistance, don’t hesitate to consult a certified technician to help with your Electrolux refrigerator.

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