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Error code reference

Maytag Cooktop Error Code No LEDs (no element operation)

Communication failure between control board and power board; power board disables power to elements after 10…

Maytag codesMaytag cooktop codes

Communication failure between control board and power board; power board disables power to elements after 10 second communication loss.

First step from the service manual

Verify power to unit, verify power to power board, check connection between power and control board.

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

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What No LEDs (no element operation) means on a Maytag cooktop

When a Maytag induction or electric cooktop displays no LEDs and all elements stop functioning, this indicates a communication failure between the control board and the power board. The power board is designed with a built-in safety timeout: if it does not receive a valid communication signal from the control board for 10 continuous seconds, it will automatically cut power to all heating elements. This prevents the elements from operating in an uncontrolled or undefined state. The absence of any LED activity is a key symptom, as it distinguishes this condition from element-specific faults where some indicators may still illuminate.

The two-board architecture used in these cooktops separates user interface and logic processing (control board) from high-voltage element switching (power board). These boards communicate continuously during operation. A break in this communication, whether from a failed board, a damaged interconnect harness, or a power supply issue, triggers the lockout. The first diagnostic priorities are confirming that line voltage is present at the unit, verifying that the power board itself is receiving proper voltage, and then inspecting the physical connection between the two boards.

Common root causes include loose or corroded connector pins on the harness linking the control and power boards, a failed control board that has stopped transmitting signals, a failed power board that can no longer receive or process those signals, or an upstream power issue that is starving one board while leaving the other partially functional. A thorough diagnostic should work from the power source inward, ruling out supply problems before condemning either board.

Source: manufacturer service documentation.

Common causes of No LEDs (no element operation)

  1. 01

    Loose or damaged board interconnect harness

    Wiring / connection

    The ribbon or wire harness connecting the control board to the power board can work loose over time or suffer damaged connector pins. Inspect the connectors at both ends for looseness, corrosion, or bent pins, and reseat them firmly.

  2. 02

    No power or low voltage to the power board

    Wiring / connection

    If the power board is not receiving adequate line voltage, it cannot maintain communication with the control board. Verify incoming voltage at the power board terminals using a multimeter before proceeding to board-level diagnosis.

  3. 03

    Failed control board

    Part replacement

    A control board that has stopped transmitting communication signals will cause the power board to time out and disable all elements after 10 seconds. If the harness and power supply check out, the control board is a primary suspect.

  4. 04

    Failed power board

    Part replacement

    The power board itself may have failed in a way that prevents it from receiving or acknowledging control board signals, triggering its own lockout. This is typically diagnosed after the harness and control board have been ruled out.

  5. 05

    Tripped breaker or incomplete power supply

    Wiring / connection

    Electric cooktops typically require a double-pole breaker, and if one leg of the supply voltage is lost, one board may receive power while the other does not, disrupting communication. Confirm both legs of the supply are delivering correct voltage at the terminal block.

See the test procedure for each cause

Frequently asked questions about No LEDs (no element operation)

What does No LEDs (no element operation) mean on a Maytag cooktop?
This condition means the power board has lost communication with the control board and has shut down all elements as a safety response. The power board is programmed to disable element operation after 10 seconds without a valid signal from the control board. Because neither board is driving the display, no LEDs illuminate. The cause can range from a loose harness connection to a failed board.
Can I fix the no LED condition on my Maytag cooktop myself?
Some causes are within reach of a confident DIYer. You can check the circuit breaker, confirm the cooktop has proper voltage at the terminal block, and reseat the harness connectors between the two boards after disconnecting power. If those steps do not resolve the issue, diagnosing a failed control board or power board typically requires a multimeter and familiarity with reading live voltages, which is better suited to a qualified technician.
Is it safe to use my Maytag cooktop when no LEDs are lit and no elements work?
No, the cooktop should not be used in this state. The lockout condition means the control system cannot properly manage element operation. Attempting to bypass or force operation without resolving the underlying communication failure could present a safety risk. Leave the cooktop off until the fault is diagnosed and repaired.
How much does it cost to repair a Maytag cooktop with a communication failure between boards?
If the fix is simply reseating a loose harness connector, there may be no parts cost, though a service call fee still applies if a technician is involved. Replacing a control board typically costs in the range of $150 to $350 for the part alone, while a power board replacement can run $100 to $300 or more depending on the model. Labor adds to these figures, so total repair costs can range from around $200 to $600 depending on which component has failed.
Will resetting or unplugging my Maytag cooktop clear the no LED error?
A power reset by turning off the circuit breaker for 30 to 60 seconds and restoring power may temporarily restore operation if the communication loss was caused by a transient glitch. However, if the underlying cause is a hardware fault such as a failing board or a damaged harness connection, the condition will return. A reset is a reasonable first step, but it does not substitute for a proper diagnosis if the problem recurs.

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