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Error code reference

Maytag Cooktop Error Code 11 LEDs flash

Checksum failure on power board

Maytag codesMaytag cooktop codes

Checksum failure on power board - electronic control locked, no audible alarm.

First step from the service manual

Replace power board.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What 11 LEDs flash means on a Maytag cooktop

The 11 LEDs flash condition on a Maytag cooktop indicates a checksum failure on the power board. A checksum is a calculated value the board's microprocessor uses to verify that the firmware or configuration data stored in non-volatile memory is intact and uncorrupted. When the processor runs this verification at startup or during operation and the computed checksum does not match the stored value, the board recognizes the data as invalid and triggers this fault condition. Because the integrity of the control logic cannot be confirmed, the electronic control locks out completely to prevent unsafe or unpredictable operation.

A key characteristic of this fault is the absence of an audible alarm. Unlike many cooktop error codes that pair a visual indicator with a beep sequence, the 11 LEDs flash condition is silent. This can make it easy to overlook if the user is not watching the control panel. The locked electronic control means the cooktop will not respond to user input, effectively disabling all cooking functions until the fault is resolved.

Checksum failures of this type are almost always rooted in the power board itself. The failure can result from corrupted firmware in the board's memory, voltage irregularities that damaged the onboard microprocessor or memory chips, or component degradation over time. Because the fault points directly to the integrity of data on the power board, the recommended resolution is replacement of the power board rather than attempting component-level repair.

Source: manufacturer service documentation.

Common causes of 11 LEDs flash

  1. 01

    Power board firmware corruption

    Part replacement

    The microprocessor on the power board has detected that the data stored in its memory does not match the expected checksum value, indicating corrupted firmware. This is the primary and most direct cause of this fault code.

  2. 02

    Voltage surge or power irregularity

    Part replacement

    A power surge or unstable supply voltage can damage the memory or microprocessor components on the power board, leading to corrupted data that fails the checksum verification on subsequent startups.

  3. 03

    Component degradation on the power board

    Part replacement

    Over time, capacitors, memory chips, or other components on the power board can fail or degrade, causing the board to produce incorrect checksum results during self-diagnostics.

  4. 04

    Interrupted firmware update or initialization

    Part replacement

    If a power interruption occurred during a factory or field firmware process, the stored data on the board may be incomplete or mismatched, triggering a persistent checksum failure.

See the test procedure for each cause

Frequently asked questions about 11 LEDs flash

What does 11 LEDs flash mean on a Maytag cooktop?
When all 11 LEDs flash on a Maytag cooktop, it indicates a checksum failure on the power board. The board's microprocessor has determined that the data stored in its memory is corrupted or invalid. As a result, the electronic control locks out completely and no audible alarm sounds. The cooktop will not operate until the power board is replaced.
Can I fix the 11 LEDs flash error myself on my Maytag cooktop?
The diagnostic path for this error points directly to the power board as the failed component, so the fix requires replacing that board. A knowledgeable DIYer comfortable with appliance disassembly and working around electrical components may be able to perform the replacement. However, cooktops involve high-voltage wiring, so if you are not experienced with appliance repair, hiring a qualified technician is the safer choice.
Will resetting the Maytag cooktop clear the 11 LEDs flash error?
A simple power reset is unlikely to permanently clear this fault. Because the error is caused by corrupted data on the power board itself, cycling power may temporarily interrupt the display but the checksum failure will return as soon as the board runs its self-diagnostic again. Replacing the power board is the correct resolution.
Is it safe to use my Maytag cooktop while it shows the 11 LEDs flash error?
No. The 11 LEDs flash fault causes the electronic control to lock out, which means the cooktop will not accept any user input or activate any cooking zones. Even if the cooktop appeared to function partially, a confirmed control board integrity failure represents an unpredictable condition and the appliance should not be used until the power board has been replaced.
How much does it cost to repair the 11 LEDs flash error on a Maytag cooktop?
Repair costs depend on the specific power board part and whether you use a professional technician or replace the board yourself. Parts alone can range from roughly $80 to $250 or more depending on the cooktop model. Adding professional labor typically brings the total repair cost to somewhere between $150 and $400. Getting a quote from a local appliance repair service before committing is a good idea, especially on older units where repair cost may approach replacement cost.

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