Comenda Start Circuit / User Interface Fault

Dishwasher powers on but will not start a cycle; start button unresponsive.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Faulty start button on control panel, Door not detected as closed, Active error condition preventing start, Control board input failure

Safety first: Disconnect power before removing the control panel.

Check for error codes: Ensure no active error is displayed. Clear any alarms according to the manual.
Door status: Confirm the door or hood is fully closed and the door switch is operating correctly.
Test start button: Access the user interface PCB and test the start button for continuity when pressed. Replace the keypad or interface board if faulty.
Control reset: Perform a factory reset or parameter reset if supported by the model.

Medium 3/5

User Interface PCB

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