Sharp
User Interface / Door / Program Lock
Dishwasher powers on but will not start any cycle; pressing Start does nothing or only beeps.
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Safety Warning
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.
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Possible Causes
Child lock enabled, Faulty Start button on control panel, Door switch not detected closed, UI-to-main board communication issue
How to Fix / Troubleshooting
Safety first: Disconnect power before removing the control panel.
- Check child lock: Refer to the Sharp user manual to disable the child lock (often by holding a specific button combination for several seconds).
- Confirm door closure: Ensure the door is fully closed and latched. Listen for the latch click.
- Reset electronics: Turn off power for 5 minutes, then restore and try again.
- Inspect control panel: If buttons are unresponsive or intermittent, remove the control panel and check the ribbon cable and connectors. Replace the user interface board if necessary.
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Repair Difficulty
Medium
3/5
Required Part
User Interface Control Panel
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