To enter the diagnostic mode on your Maytag Centennial washer swiftly, follow these steps: Start with the main knob in standby mode, and turn it counterclockwise to the 12 o'clock position. Next, rotate the knob three times in a clockwise direction, followed by one counterclockwise turn, and then one more clockwise turn.

A 5-Step Guide to Entering the Maytag Centennial Washer Diagnostic Mode

In general, here's a brief 5-step guide on how to activate the diagnostic mode for a Maytag Centennial washer:

Step 1: Standby Mode

Ensure your washer is plugged in but not turned on; this places the washer in standby mode.

Step 2: 12 O’clock Position

While in standby mode, find the main knob or dial and rotate it counterclockwise until it aligns with the 12 o’clock position.

Step 3: Three Clockwise Turns

Turn the knob three times in a clockwise direction from the 12 o’clock position, with a ½ second interval between each turn.

Step 4: One Counterclockwise Turn

Turn the knob once in a counterclockwise direction.

Step 5: One More Clockwise Turn

Lastly, turn the knob one more time in a clockwise direction by one turn to access the diagnostic mode. Then, wait for a few seconds to select one of these three options:

  1. View the most recent error codes.
  2. Recalibrate the washing machine.
  3. Run the manual or automatic self-test to identify any hidden faults.

How to View More Error Codes on a Maytag Centennial Washer?

During the diagnostic mode (as described in the guide above), follow these steps to check for potential error codes:

  1. Turn the main knob clockwise until all the LEDs illuminate.
  2. Press the "Start" button.
  3. Wait a few seconds for the washer to display possible error codes.

To interpret the error code, refer to the guide for various Maytag Centennial Washer Diagnostic Codes. You can find the meaning of your specific error code and troubleshoot accordingly.

After noting the error code, you can exit the diagnostic mode by pressing and holding the 'Start' button for a few seconds, perhaps around three seconds.

Pros and Cons of Maytag Centennial Washer


  • Reliability
  • Capacity
  • Affordability
  • Simplicity


  • Noisy
  • Limited Features
  • Water Usage
  • Build Quality

Differences Between Maytag Centennial Washer and Mitsubishi Washer


Maytag offers several washing machine models, including the Centennial Washer, each with its own set of features and capacities.


Mitsubishi also produces washing machines, but the availability of specific models can vary by region, and they may come with different technologies and features.

Alternative to Maytag Centennial Washer


Miele washers are known for their high-quality construction and advanced features. They are often considered a premium option.

How to Recalibrate or Reprogram a Maytag Centennial Washer

Recalibration can be quite useful when attempting to reset the washer or clear an error code. Here's a step-by-step guide on how to perform a recalibration:

  1. While the washer is in diagnostic mode, turn the main knob clockwise until the RINSE LED lights up.
  2. Ensure the washer's lid is tightly closed.
  3. Press the 'Start' button.
  4. Allow the washer some time to complete the recalibration process.

How to Find More Error Codes on a Maytag Centennial Washer?

If you want to uncover additional error codes on your Maytag Centennial washer, you have two options for more comprehensive diagnostic or self-testing:

  1. Manual Self-Test:
    • Begin with the initial diagnostic mode (following the five steps shared above).
    • After reaching the initial diagnostic mode, consult your washer's manual to determine which functional keys to press to initiate the manual self-test.
    • The manual self-test allows for a more detailed examination of the washer's functions and may reveal further error codes.
  2. Automatic Self-Test:
    • First, enter your washer into the initial diagnostic mode by following the instructions provided earlier.
    • Once in the diagnostic mode, turn the main knob clockwise until the LEDs light up.
    • Then, press the 'Start' button.
    • This automatic self-test can provide additional insights into the washer's performance and any potential error codes.

How to Clear an Existing Error Code on a Maytag Centennial Washing Machine?

To clear an existing error code on a Maytag Centennial washer, you have two options: recalibration and reset. Here are two methods for resetting the washer:

Option 1 – Manual Reset (Hard Reset):

  1. Turn off the washer.
  2. Unplug the washer from the power source for at least 20 seconds.
  3. Plug the washer back in.
  4. Press the "Start" button to check if the error code has been cleared. If it hasn't, proceed to the next step.
  5. Unplug the washer from the power source for 10 minutes.
  6. Plug the washer back in and check if the error code has been cleared.

Option 2 – Cycle Reset:

  1. Press the "Power/Cancel" button on your Centennial washing machine.
  2. Select a wash cycle.
  3. Press the "Start/Pause" button to enable the Centennial washer to reset.

What if Your Maytag Centennial Washer Won’t Go into Diagnostic Mode?

If your Maytag Centennial washing machine is having trouble entering diagnostic mode, several issues should be considered and resolved before attempting the diagnostic steps:

  1. Existing Error Code: The washer won't enter diagnostic mode until any previous error codes are cleared. Be sure to reset the washer to eliminate any existing error codes before proceeding with the diagnostic process.
  2. Malfunctioning Door Switch: A defective door switch can prevent the lid from latching properly, leading to issues where the washer won't start, run, or enter diagnostic mode. If you encounter these problems, consider replacing the door switch.
  3. Defective Control Panel: If the control panel is unresponsive or buttons do not work, it may prevent the washer from entering diagnostic mode. In such cases, replacing the control panel is necessary before running diagnostics.
  4. Drainage Problems: If your Centennial washer is experiencing drainage issues, it may not enter diagnostic mode. Examine the filter, drain hoses, and pump for any clogs and make sure to clear them before attempting diagnostics.
  5. Dead Control Board: A non-responsive control board can also hinder the washer from entering diagnostic mode. In such situations, replacing the main control board is essential before trying any diagnostics.


Understanding the Maytag Centennial Washer Diagnostic Mode is crucial for troubleshooting and maintaining the optimal performance of your washing machine. This mode provides a valuable tool for identifying error codes, recalibrating the washer, and running self-tests to uncover hidden issues.

However, it's important to be aware of potential challenges that might prevent your washer from entering diagnostic mode, such as existing error codes, malfunctioning components like the door switch or control panel, drainage problems, or a non-responsive control board.

By following the provided steps and tips, you can navigate the Maytag Centennial Washer Diagnostic Mode efficiently, resolve errors, and ensure your washer operates at its best.

Whether you need to clear error codes, perform recalibration, or run comprehensive tests, the diagnostic mode empowers you to maintain the functionality and longevity of your Maytag Centennial washing machine.

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