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Error code reference

GE Dishwasher Error Code Lock LED (always illuminated)

Illuminates when Error Code Display Mode is active, indicating the control is in Consumer Error Mode.

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Illuminates when Error Code Display Mode is active, indicating the control is in Consumer Error Mode.

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What Lock LED (always illuminated) means on a GE dishwasher

On GE dishwashers, the Lock LED remaining continuously illuminated is not a standard fault code indicating a broken component. Instead, it signals that the control board has entered Consumer Error Mode, also called Error Code Display Mode. This mode is a diagnostic state built into the control system that allows stored error codes to be read from the control panel. When the dishwasher is in this mode, the Lock LED stays on as a visual indicator that the unit is actively displaying or ready to display logged fault information rather than operating normally.

The control enters Consumer Error Mode through a specific button sequence, typically performed intentionally during troubleshooting or accidentally through an unintended key combination. The control board retains this state until it is exited through the appropriate button sequence or a power reset. Because this mode interacts directly with the control board's firmware and error log, it is purely a software or operational state rather than a symptom of a hardware failure in any particular component.

Technicians should treat a constantly illuminated Lock LED as a starting point for reading any underlying error codes that the control may have stored. Once those codes are retrieved and documented, the mode should be exited and the actual fault codes addressed individually. If the Lock LED illuminates persistently without any intentional entry into diagnostic mode, the control board itself may have experienced a logic error or experienced an unintended key input sequence.

Source: manufacturer service documentation.

Common causes of Lock LED (always illuminated)

  1. 01

    Accidental entry into diagnostic mode

    Wiring / connection

    A specific button combination was pressed unintentionally, placing the control in Consumer Error Mode. This is the most common reason the Lock LED stays on without any apparent hardware fault.

  2. 02

    Intentional diagnostic mode left active

    Wiring / connection

    A technician or user entered Error Code Display Mode during troubleshooting and did not exit the mode before resuming normal use. The Lock LED will remain on until the mode is properly exited.

  3. 03

    Control board logic error

    Wiring / connection

    In rare cases, the control board may enter or remain in diagnostic mode due to a firmware or logic error. A power reset by disconnecting the dishwasher for several minutes is the first step to clear this condition.

  4. 04

    Faulty or sticking control panel key

    Part replacement

    A key on the control panel that is stuck or registering a false press could trigger the diagnostic mode sequence. Inspect the panel for any keys that appear physically stuck or are not returning to their normal position.

  5. 05

    Control board failure

    Part replacement

    If power resets and proper exit sequences do not clear the Lock LED, the control board may have failed in a way that keeps it locked in diagnostic mode. Board replacement would be required in this scenario.

See the test procedure for each cause

Frequently asked questions about Lock LED (always illuminated)

What does Lock LED (always illuminated) mean on a GE dishwasher?
A continuously illuminated Lock LED on a GE dishwasher indicates the control is in Consumer Error Mode, also known as Error Code Display Mode. This is a diagnostic state, not a direct sign of a broken part. The control entered this mode either through an intentional button sequence or accidentally. Exiting the mode will turn off the Lock LED and return the dishwasher to normal operation.
How do I exit diagnostic mode and turn off the Lock LED on my GE dishwasher?
To exit Consumer Error Mode, try pressing the same button sequence used to enter the mode, as this often toggles the mode off. If the sequence is unknown, disconnect power to the dishwasher at the circuit breaker for several minutes and then restore power. This power reset will typically clear the diagnostic mode state and turn off the Lock LED.
Is it safe to use my GE dishwasher while the Lock LED is on?
The dishwasher may not operate normally while in Consumer Error Mode because the control is in a diagnostic state rather than a run state. It is best to exit the mode before attempting to run a wash cycle. There is no immediate safety hazard from the Lock LED itself, but normal wash functions may be unavailable or unreliable while the mode is active.
Will resetting the dishwasher clear the Lock LED?
In most cases, yes. Disconnecting power at the circuit breaker for at least 5 minutes and then restoring it will reset the control board and exit Consumer Error Mode. If the Lock LED returns immediately after the reset, check the control panel keys for any that are stuck, and consider whether there may be an underlying stored fault code or a failing control board.
How much does it cost to fix a GE dishwasher that is stuck in diagnostic mode?
If the issue is simply exiting diagnostic mode through a button sequence or power reset, the cost is nothing. If a stuck or faulty control panel key is the cause, a replacement control panel or touchpad can range from roughly $50 to $150 in parts, plus labor if a technician is needed. A full control board replacement, if required, typically ranges from $100 to $300 or more depending on the model.

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