Short answer:  Whirlpool Duet dryer codes are error messages that help diagnose and fix various dryer issues. Understanding these codes simplifies troubleshooting and maintenance.

Whirlpool Duet dryers are known for their advanced features and efficiency, but like any complex appliance, they can encounter issues from time to time. To help users diagnose and resolve these problems, Whirlpool has implemented a system of error codes. These error codes serve as invaluable tools for pinpointing the source of malfunctions, whether it’s related to heating, airflow, control interface, or other aspects of dryer operation. Understanding these error codes and their associated solutions can save users time and money by enabling them to perform basic troubleshooting and maintenance, and in some cases, even avoid the need for professional repairs. In this guide, I’ll highlight some common Whirlpool Duet dryer error codes and their respective remedies, empowering users to keep their dryers running smoothly.

Whirlpool Duet Dryer Codes

F1 Error code:

F01 error code
Whirlpool duet dryer error code

The Whirlpool F01 error code is a common issue in Whirlpool dryers, and it indicates a problem with the main control board. Here’s a step-by-step guide on how to fix it:

Step 1: Safety Precautions: Before you start, ensure the power to the dryer is turned off. You can do this by switching off the breaker or unplugging the dryer.

Step 2: Accessing the Main Control Board:

  • The main control board is located on the top left-hand side of the dryer.
  • Remove the top panel of the dryer by undoing the three-quarter-inch screws at the back of the dryer.
  • Slide the top panel back to release it. There are small slides that hold it in place at the front.
  • The main control board is now accessible.

Step 3: Disconnecting Connections:

  • Carefully disconnect all the wiring connections from the old control board. You can take pictures before disconnecting to ensure you reconnect everything correctly.
  • There is a one-quarter-inch screw holding the board in place. Remove it.

Step 4: Removing the Old Control Board:

  • The control board might be a bit stubborn to remove. Use a screwdriver to gently pop it off, or if possible, use channel locks.
  • Once the screw is removed and the stubborn clip is disengaged, push a tab located at the bottom of the board and pull it towards you to release it.

Step 5: Installing the New Control Board:

  • Place the new control board in the same position as the old one.
  • Secure it with the quarter-inch screw.

Step 6:Reconnecting Wiring: Reconnect all the wiring connections to the new control board. Consult your pictures if you took them.

Step 7: Powering On the Dryer: After everything is connected, turn the power back on to the dryer.

Step 8: Testing: Run a test cycle to ensure that the dryer is working properly. If you don’t encounter any issues or error codes, you have successfully fixed the F01 error.

PF-Power Failure

Error code on Whirlpool dryer
Whirlpool duet dryer error code

The Whirlpool PF error code indicates a “Power Failure” in a Whirlpool appliance. This error typically occurs when there is a disruption in the electrical power supply to the appliance, such as a power outage or a sudden loss of power. To fix the Whirlpool Duet dryer PF (Power Failure) error code, you can follow these steps:

Step 1: Safety First: Always start by ensuring the dryer is unplugged or the power is turned off at the breaker to prevent any electrical hazards.

Step 2: Access the Thermistor: Locate the thermistor, which is causing the issue. It’s a small, usually white, sensor component located near the lint filter area.

Step 3: Remove the Front Panel:

  • Remove the front panel of the dryer to access the thermistor. Typically, you will find two small hex screws with a quarter-inch head securing the panel.
  • Carefully remove the panel by pulling it down.

Step 4: Locate and Remove the Faulty Thermistor:

  • The thermistor may be located in an awkward spot behind the lint filter area. It’s a small component with two wires connected to it.
  • Disconnect the wires from the old thermistor.

Step 5: Install the New Thermistor:

  • Replace the old thermistor with a new one. Ensure the wires are connected correctly by matching the markings or colors.
  • Reconnect the wires to the new thermistor.

Step 6: Secure the New Thermistor: Using a quarter-inch ratchet or a similar tool, tighten the thermistor in place. Be cautious not to overtighten, as you are screwing into thin sheet metal.

Step 7: Check the Wiring: Verify that the wires are correctly connected and secure.

Step 8: Reassemble the Front Panel: Put the front panel back in place and secure it with the two hex screws.

Step 9: Plug the Dryer Back In: Reconnect the dryer to power, either by plugging it in or turning the breaker back on.

Step 10: Test the Dryer: Turn on the dryer and run a test cycle to ensure that the PF error code is resolved.

F30 Restricted airflow:

The Whirlpool washer error code F30 indicates a “Restricted Airflow” issue. This error occurs when there is inadequate airflow in the dryer’s ventilation system, typically due to obstructions in the vent hose, lint filter, or exhaust duct. To fix the Whirlpool Duet dryer F30 error code, which indicates a “Restricted Airflow” issue, follow these steps:

Step 1: Check the Ventilation: Ensure that the dryer’s ventilation system is clear of any obstructions and that the air can flow freely. This includes the vent hose, lint filter, and the exhaust duct.

Step 2: Inspect and Clean the Vent Hose: Remove the vent hose connected to the dryer and check for any lint or debris blockages. Clean the hose thoroughly.

Step 3: Clean the Lint Filter: Clean the lint filter, making sure it’s free from lint buildup. A clogged lint filter can impede airflow.

Step 4: Clean the Exhaust Duct: If possible, access the exhaust duct leading from the dryer to the outside of your home. Ensure it’s clear of lint and debris.

Step 5: Check for Obstructions: Look inside the dryer’s lint trap area and the ductwork for any obstructions that may be restricting airflow. Remove any blockages you find.

Step 6: Reassemble and Test: Reassemble any parts you removed and then run a test cycle on the dryer to check if the F30 error code has been resolved.

F28, 29 Moisture Sensor Failure:

The Whirlpool dryer error codes F28 and F29 both indicate a “Moisture Sensor Failure.” These errors occur when the dryer’s moisture sensor is not functioning correctly. To fix this issue:

Step 1: Clean the Moisture Sensor: Start by cleaning the moisture sensor bars, usually found in the dryer drum. These bars can become coated with residue from fabric softeners and detergents, which can interfere with their ability to detect moisture accurately. Use a soft cloth and rubbing alcohol to clean them thoroughly.

Step 2: Check Wiring Connections: Ensure that all wiring connections to the moisture sensor are secure. Loose or damaged connections can cause sensor malfunctions.

Step 3: Replace the Moisture Sensor: If cleaning and checking connections do not resolve the issue, you may need to replace the moisture sensor. Consult your dryer’s user manual or manufacturer’s guidelines for instructions on obtaining and installing a new sensor.

F02- Keypad Or User Interface Failure:

The Whirlpool dryer error code F02 indicates a “Keypad or User Interface Failure.” To troubleshoot and potentially fix this issue, follow these steps:

Step 1: Reset the Dryer: Start by unplugging the dryer from the electrical outlet or turning off the circuit breaker that supplies power to it. Leave it disconnected for a few minutes, then plug it back in or flip the breaker back on. Sometimes, a simple reset can resolve keypad or interface problems.

Step 2: Check for Obstructions: Inspect the keypad and user interface for any visible obstructions, dirt, or moisture. Clean the keypad and interface using a soft, dry cloth.

Step 3: Inspect Wiring Connections: Ensure that all wiring connections between the keypad and the main control board are secure. Loose or damaged connections can cause communication errors.

Step 4: Replace the Keypad or User Interface: If the issue persists, it may be necessary to replace either the keypad or the user interface. Consult your dryer’s user manual or the manufacturer’s guidelines for information on obtaining the replacement part and instructions for installation. Replacing these components should resolve the F02 error if the problem lies with the keypad or user interface.

Whirlpool Duet Dryer Problems And Solutions

Here are some common problems with Whirlpool Duet dryers and their potential solutions:

Dryer Won’t Start:

  • Check if the dryer is plugged in and the circuit breaker is not tripped.
  • Ensure the door is fully closed and the “Start” button is pressed firmly.
  • Verify that the control lock is not engaged (if applicable).

Dryer Just Beeps:

This could indicate a control lock is active. Try pressing and holding the “Control Lock” button for a few seconds to unlock it.

Makes Loud Noise:

  • Excessive noise can result from worn-out drum rollers, idler pulleys, or blower wheels. These parts may need replacement.
  • Loose items, such as coins or buttons, can also cause noise. Check the drum and lint filter area for any foreign objects.

Takes Too Long to Dry:

Doesn’t Heat Up:

Stops Mid-Cycle:

  • Check if the thermal fuse has blown, which can interrupt the cycle. If so, replace it.
  • Examine the moisture sensor bars for lint buildup. Clean them to ensure accurate drying.

Door Lock Issue:

If the door lock light is blinking or the door won’t lock, it may indicate a problem with the door latch or switch. Inspect and replace any faulty components.

Door Won’t Open:

  • If the door won’t open after the cycle, wait a few minutes as there may be a delay in unlocking.
  • If it still won’t open, check if the control lock is activated. If so, disable it.
  • In case of a power outage during the cycle, the door may remain locked. Try unplugging the dryer for a few minutes to reset it.
Whirlpool duet dryer code fixing
Inspecting control board


Why is my dryer blowing cold air?

The dryer may blow cold air due to a malfunctioning heating element, thermal fuse, or thermostat. Check and replace these components if necessary.

Where is the thermal fuse located on the Whirlpool dryer?

The thermal fuse in a Whirlpool dryer is typically located on the blower housing or exhaust duct. Refer to your dryer’s manual or diagrams for the exact location.

Why won’t my dryer heat?

A dryer may not heat due to a faulty heating element, thermal fuse, thermostat, or gas supply (for gas dryers). Check and replace these components as needed.

What does “LOC” mean on a Whirlpool oven?

LOC” on a Whirlpool oven stands for “Control Lock.” It indicates that the oven’s control panel is locked to prevent accidental changes. To unlock it, press and hold the “Control Lock” button for a few seconds.

What to do if the dryer stops working?

If your dryer stops working, check for power supply issues, ensure the door is properly closed, and inspect the thermal fuse and other components for faults. If you can’t identify the problem, consider contacting a professional appliance repair technician for assistance.


Whirlpool Duet dryers come equipped with a range of error codes that serve as diagnostic tools to identify and address various issues. Understanding these error codes and their corresponding solutions can help users troubleshoot common problems effectively. Whether it’s addressing airflow restrictions, keypad failures, heating issues, or other malfunctions, being knowledgeable about these codes empowers users to maintain and repair their Whirlpool Duet dryers, ensuring efficient and reliable performance over time. Additionally, when faced with complex or persistent problems, seeking professional assistance from appliance repair experts is always a viable option for a swift and accurate resolution.

Whirlpool Duet Dryer Codes

Error Code Description Possible Causes Solutions
F01 Main Control Board Failure Electrical issues or malfunctions Check the power supply, replace the board
F30 Restricted Airflow Blocked vents or ducts Clean vents, check exhaust system
F28/F29 Moisture Sensor Failure Sensor issues or obstructions Clean sensor, check wiring, replace
F02 Keypad/User Interface Failure Interface or keypad problems Reset, clean, or replace components

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