
Whirlpool Duet washers are great, but errors can occur like any appliance. Understanding these error codes can help you quickly diagnose and fix issues without calling a technician.
This guide will explain the most common Whirlpool Duet washer error codes, their meanings, and step-by-step instructions to resolve each issue. While some problems may require professional service, some basic troubleshooting can help solve the problem quickly.
Whirlpool Duet Washer Error Codes
Here are the most frequently encountered error codes for Whirlpool Duet washers and how to fix them.
F1 – Main Control Board Error
The F1 error code indicates a problem with the main electronic control board, which is essentially the “brain” of your Whirlpool Duet washer.
To resolve an F1 error:
- Unplug the washer or turn off the circuit breaker for 2 minutes to reset the control board.
- Restore power and see if the error persists.
- Check for signs of water damage or burned components on the control board.
- If the error continues, the control board likely needs replacement by a professional.
F2 – Keypad/User Interface Error
This error suggests a problem with the washer’s control panel or user interface, often due to stuck buttons or connectivity issues between the interface and main control board.
To fix an F2 error:
- Disconnect power to the washer for 5 minutes.
- Inspect the control panel for stuck buttons or visible damage.
- Gently clean around the buttons with a dry cloth.
- Reconnect power and test the washer.
- If the error remains, the control panel assembly may need replacement.
F3 – Water Temperature Sensor Error
An F3 error indicates a problem with the water temperature sensor or its wiring, preventing the washer from properly monitoring water temperature.
To address an F3 error:
- Unplug the washer.
- Locate the temperature sensor (typically near the water inlet valve).
- Check the sensor’s connections for corrosion or damage.
- If connections look good, the temperature sensor itself may be faulty and need replacement.
- A multimeter can be used to test the sensor’s resistance if you have technical skills.
F5 – Door Switch Error
The F5 code signals an issue with the door lock mechanism or its electrical connections, which can prevent the washer from starting.
To fix an F5 error:
- Ensure the door is completely closed.
- Check for any items caught in the door preventing a proper seal.
- Unplug the washer for 5 minutes to reset the control board.
- Inspect the door lock mechanism for visible damage.
- Listen for a click when the door closes, indicating the lock is engaging.
- If the problem persists, the door lock assembly may need replacement.
F8 – Water Supply Error
An F8 error occurs when the washer doesn’t detect water entering the tub, often due to closed water valves, kinked hoses, or clogged inlet screens.
To resolve an F8 error:
- Check that both hot and cold water supply valves are fully open.
- Inspect the inlet hoses for kinks or damage.
- Turn off the water supply and disconnect the inlet hoses from the washer.
- Clean the inlet screens at the connection points using a small brush.
- Reconnect the hoses and turn the water supply back on.
- If the error continues, the water inlet valve may need replacement.
F9 – Drain Pump System Error
The F9 error indicates a drainage problem, such as a clogged drain pump, kinked drain hose, or blocked drain path.
To fix an F9 error:
- Unplug the washer for safety.
- Check the drain hose for kinks or obstructions.
- Ensure the drain hose isn’t inserted too far into the standpipe (no more than 4-6 inches).
- Locate and clean the drain pump filter (usually behind a small access panel at the bottom front of the washer).
- Remove any foreign objects, lint, or debris from the filter.
- Manually rotate the drain pump impeller to ensure it turns freely.
- Reassemble and test the washer.
F11 – Motor Control Unit Error
An F11 error suggests a communication problem between the motor control unit and the main control board.
To address an F11 error:
- Disconnect power for 5 minutes to reset the electronic components.
- Restore power and restart the washer.
- If the error persists, check for loose connections between the motor control unit and main control board.
- In most cases, professional diagnosis is recommended for persistent F11 errors, as it may involve internal electronic components.
Sud or Sd – Excess Suds Detected
This error occurs when the washer detects too much soap in the system, which can prevent proper operation.
To fix a Sud/Sd error:
- Cancel the current cycle and run a Rinse & Spin cycle without adding detergent.
- If excess suds are visible, you may need to run multiple Rinse & Spin cycles.
- In the future, use only HE (High Efficiency) detergent designed for front-loading washers.
- Use less detergent, especially if you have soft water or small loads.
- If the error continues, check the drain system for clogs that might be preventing proper drainage.
dL – Door Lock Error
The dL error appears when the washer can’t lock the door properly, often preventing the cycle from starting.
To resolve a dL error:
- Open and firmly close the door to ensure it latches correctly.
- Check the door strike and lock mechanism for debris or damage.
- Unplug the washer for 5 minutes to reset the control board.
- Inspect the door lock wiring for damage or loose connections.
- If the problem persists, the door lock assembly may need replacement.
How to Reset a Whirlpool Duet Washer
If you encounter any error code, performing a reset might resolve the issue:
- Press “Pause/Cancel” twice to cancel any active cycle.
- Unplug the washer for 2 minutes.
- Plug it back in and lift and lower the lid 6 times within 12 seconds (for older models) to reset the motor.
- For newer models, press and hold the “Power” button for 5 seconds.
Summary
Whirlpool Duet washer error codes provide valuable information about what’s wrong with your machine. By understanding these codes and following the appropriate troubleshooting steps, you can often resolve issues without a service call.
Remember to always unplug your washer before attempting any internal inspections or repairs. If you’re uncertain about any repair procedure, it’s better to consult with a professional appliance technician to avoid potential damage to your washer or risk of injury.

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