If your Samsung dishwasher starts on its own, the most likely problem is a shorted touchpad and control panel, which can make the dishwasher turns on by itself or starts without pressing Start. In many cases, this shows up along with dishwasher buttons not working, a dishwasher touchpad not responding, or part of the dishwasher control panel not working when you press different cycle options. Next most likely is the touchpad itself, followed by the control panel if a relay has shorted, and then the user control and display board. A good first check is to press every button and see if some respond while others do not, because that usually points to a failed touchpad, control panel, or both. If the dishwasher control panel short is on the board side, the user control and display board may need to be replaced. RepairClinic.com makes it easier to match the fix to your exact machine. Enter your model number to find the exact Samsung replacement part, whether you need a touchpad, touchpad and control panel assembly, control panel, or user control and display board for your specific dishwasher.
01 - Samsung 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 - Samsung 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.