Washer-dryer combo powers on but will not start any cycle when Start is pressed.

Safety first: Unplug the unit before removing the control panel.

• Check display for lock icons: If a control lock or child lock symbol is lit, follow the user manual to disable it (usually by holding a specific button for several seconds).
• Verify door closure: Ensure the door is fully closed and latched. Listen for the door lock click when Start is pressed.
• Test other buttons: If some buttons do not respond or the panel is erratic, the user interface board or touchpad may be failing.
• Inspect UI connections: Remove the console and reseat the ribbon cable and connectors between the UI and main control.

When to call a technician: If the Start function still does not work, the UI or main control board may need replacement by a technician.