Whirlpool Washer F21 Error Code

Model Specific Error Code

WFW3090JW WFW5090JW

User Interface Communication Error

If the communication between the user interface module and the ACU is disturbed, this error code will be displayed.

Whirlpool Washer F21 Error Code Error Code Possible Causes

• Check the wiring connection to the user interface
• Check the user interface
• Check the ACU

Model Specific Error Code

All Others

Long Drain Error

Indicates that drain times are longer than expected.

Whirlpool Washer F21 Error Code Error Code Possible Causes

• The drain pump is defective.
• The drain pump or hose is blocked.
• The main PCB is defective.
• Loose wiring connection at the drain pump or main PCB

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This information is provided for educational purposes only. Please consult the appropriate Service Mode or Technical Document for your model. Always take proper safety precautions when installing or repairing any major appliance.