Understanding and Resolving Error Codes SUD and F on Washer Units

Common Error Codes SUD and F on Washer Units

Washing machines have become indispensable appliances in our daily lives, efficiently handling our laundry needs. However, at times, they may encounter technical issues that manifest as error codes. One such common occurrence is the display of error codes SUD and F on washer units. In this troubleshooting guide, we will explain the meaning behind these error codes and provide practical solutions to resolve them.

Understanding the Error Codes

  1. SUD Error Code: The SUD error code typically appears when excessive suds are detected in the washer. This can occur due to the use of too much detergent or using the wrong type of detergent. Excessive suds can interfere with the proper functioning of the washer, leading to poor performance and potential damage.
  2. F Error Code: The F error code is a general indicator of a fault or malfunction within the washer. It can signal various issues, including problems with the motor, pump, control board, or other components. The F error code requires further investigation and troubleshooting to identify the specific cause.

Troubleshooting Steps for SUD and F Error Codes

To resolve the SUD and F error codes on your washer, follow these troubleshooting steps:

  1. SUD Error Code: a. Pause the wash cycle: If the SUD error code appears mid-cycle, pause the cycle and allow the washer to drain excess suds. b. Reduce detergent usage: Review the detergent manufacturer's recommendations and ensure you are using the correct amount for your load size. c. Run an extra rinse cycle: To remove any remaining suds, run an additional rinse cycle without adding any detergent. d. Clean the washer: Over time, detergent residue can accumulate in the washer. Regularly clean the drum, dispensers, and filters to prevent the buildup of excess suds.
  2. F Error Code: a. Restart the washer: Sometimes, a temporary glitch can trigger the F error code. Turn off the washer, unplug it from the power source, wait for a few minutes, and then plug it back in. Restart the washer and see if the error code reappears. b. Check for obstructions: Inspect the washer for any clogs or obstructions in the drain pump or hoses. Clear any debris that may impede the proper functioning of these components. c. Consult the user manual: Refer to the manufacturer's user manual for specific troubleshooting instructions related to the F error code. It may provide guidance on performing diagnostic tests or resetting the washer. d. Contact customer support: If the error code persists or you are unsure about performing any troubleshooting steps, reach out to the washer manufacturer's customer support for further assistance.


Encountering error codes on your washer can be frustrating, but with the right knowledge and troubleshooting steps, you can resolve them effectively. The SUD error code indicates excessive suds, while the F error code signifies a general fault within the washer. By following the troubleshooting steps outlined in this guide, you can address these issues and restore your washer to proper working order. If the problems persist, don't hesitate to seek professional assistance to ensure a thorough diagnosis and resolution.