Whirlpool Duet Washer Diagnostic Mode Explained

When your Duet washer stops working, it’s turned what was once a convenience into a discomfort. Navigating the problem can be rigorous, especially if you don’t know the source of the problem.

Putting your Whirlpool Duet washer in a diagnostic is an intelligent step when troubleshooting the machine problem. The diagnostic mode can help you detect the actual situation and give the error code as an indication of the exact problem.

This article will discuss the Whirlpool Duet washer diagnostic mode, revealing what it means, how you can use it, and how it can help you.

whirlpool duet washer diagnostic mode

Whirlpool Duet Washer Diagnostic Mode: Meaning

The diagnostic feature can be found in most Whirlpool features. It is a helpful feature on the duet washer that assists in troubleshooting the machine problem and fixing it.

It helps put the machine in a state where it can test all the parts responsible for different functions to determine their efficiency. It checks the performance status of these parts, inspects test operations, establishes issues, and fixes them accordingly. In cases of complications, it notifies the users through error codes shown on the display screen on the control panel.

It’s always an intelligent practice to include diagnostic mode when troubleshooting your appliance problem. If you notice any problem with your machine or it’s even a mere suspicion, you can employ the diagnostic mode to retrieve the error and fix the problem.

So, when your Whirlpool Duet washer runs into a problem, maybe it’s as simple as not being able to turn it on, or more rigorous ones like a failed cycle, the diagnostic mode can be the first-aid diagnosis to inspect, establish and resolve the problems. It will help fix simple anomalies and return error codes for more complex ones.

Whirlpool Duet Washer Diagnostic Mode: How It Works

When you activate the diagnostic mode, it runs numerous tests on different parts of the machine consecutively. For instance, it tests the water valve by opening it and filling the tub, checking if it’s working in a suitable condition, then moving to the next parts. In cases where it detects a problem, it returns an error code to notify the user of an issue. While the process is running, you can skip some tests as you wish.

How To Enter Whirlpool Duet Washer Diagnostic Mode

Activating the diagnostic mode on a Whirlpool Duet is quite simple irrespective of the model. It requires some key combinations that can be found on the machine control panel.

So below is how to enter Whirlpool Duet washer diagnostic mode:

  • Put the washer in Standby mode
  • Locate the keys/buttons on the control panel
  • Choose three of the keys/buttons
  • Ensure the Power, Start and Cancel buttons are not included in the buttons you’ve chosen
  • Now press these keys in sequences.
  • Repeat the process two times to complete a cycle of three. This means you’ll poke the three keys you have chosen three times.
  • Press and hold the Soil, Spin, and Extra rinse buttons in that sequence, three times in quick succession.
  • Ensure you press all these buttons within eight seconds. So, you’ll need to press 9 buttons in eight seconds.

This process will put the Duet Washer into diagnostic mode. You can confirm if your Washer has entered the diagnostics mode through the control light and the display screen. All the control lights will be illuminated, and the display screen will show “888,” depicting that the time display lights are working perfectly.

If the tests detect any error, it will flash the error code light. You’ll need to know what each code means to troubleshoot it accordingly.

Once you’ve confirmed that the washer is in diagnostic mode, press the first button you used in the sequence before five minutes. Else, the machine will return to standby mode.

However, If your Duet washer fails to enter diagnostic mode, you can switch off your washer using the Power button. Please turn it on after a few minutes and retry the steps using another three different buttons. It may be that one of the previous buttons is not working.

How To Exit The Diagnostic Mode On Whirlpool Duet Washer

Like activating the diagnostic mode, you can exit it with key combinations. It takes three presses of the power button to exit the diagnostic mode on Whirlpool Duet Washer.


  • Danny Saunders

    Danny Saunders is a tech enthusiast. He enjoys getting his hands dirty with the features and settings of tech products and pushing them to their limits just to know how to get the best from them and how well they can endure "abuse" without breaking down. He shares his findings on this blog.