If your Maytag dishwasher starts on its own, the most likely cause is a shorted touchpad or a failing touchpad and control panel assembly. In many cases, a few buttons will stop responding before the dishwasher turns on by itself, so this problem can show up as both a dishwasher starts without pressing start issue and a dishwasher control panel short. Next most likely is the touchpad itself, followed by the control panel, where a shorted relay can send an unintended start signal. If those parts check out, the user control and display board may be defective and triggering the cycle on its own. For a Maytag dishwasher that turns on by itself, try pressing each button and note whether any keys are dead, delayed, or inconsistent, since that helps narrow the fault to the touchpad, control panel, or user control and display board. RepairClinic.com makes it easier to match the symptom to the right part. Enter your model number to find the exact replacement part that fits your specific Maytag dishwasher.
01 - Maytag Dishwasher Touchpad and Control Panel
If the dishwasher is starting on its own, part of the touchpad may have shorted. To determine if the touchpad is at fault, try pressing various buttons on the touchpad. If some of the buttons don’t respond, the touchpad might be defective. (Some manufacturers sell the touchpad separately from the control panel. Other manufacturers require that you purchase the touchpad and control panel together. If you cannot replace the touchpad individually, replace the touchpad and control panel.)
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If the dishwasher is starting on its own, part of the touchpad may have shorted. To determine if the touchpad is at fault, try pressing various buttons on the touchpad. If some of the buttons don’t respond, the touchpad might be defective. (Some manufacturers sell the touchpad separately from the control panel. Other manufacturers require that you purchase the touchpad and control panel together. If you cannot replace the touchpad individually, replace the touchpad and control panel.)
If the dishwasher is starting on its own, a relay in the control panel may have shorted. Try pressing various buttons on the control panel touchpad. If some of the buttons don’t respond, the control panel is likely defective. (Some manufacturers sell the touchpad separately from the control panel. Other manufacturers require that you purchase the touchpad and control panel together. If you cannot replace the touchpad individually, replace the touchpad and control panel.)
04 - Maytag Dishwasher User Control and Display Board
A dishwasher's user control and display board allows the user to select a wash and drying cycle and start the appliance. If the dishwasher is starting on its own, it's possible the board has shorted and will need to be replaced with a new one.