Haier
Start Inhibit / Door or UI Logic Fault
Dishwasher powers on but will not start a 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
Door not detected as closed, Faulty Start button on user interface, Child lock enabled, Defective Haier user interface board
How to Fix / Troubleshooting
Safety first: Avoid repeatedly slamming the door or pressing buttons excessively.
- 1. Check display for lock icon: Many Haier dishwashers have a child lock. Hold the designated key combination (often 3–5 seconds on specific buttons) to disable it; refer to the user manual.
- 2. Confirm door closure: Ensure the door is fully closed and latched. If the display shows a door icon or error, inspect the latch and strike.
- 3. Try different programs: Select another cycle and press Start to rule out a single-program glitch.
- 4. Reset power: Turn off the breaker for 5 minutes, then restore power and try again.
- 5. UI and door switch testing: If the problem persists, test the door switch and Start button continuity with a multimeter. Replace the door lock assembly or user interface board as needed.
Warning: Do not bypass the door switch to force operation; this is unsafe.
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Repair Difficulty
Medium
3/5
Required Part
User Interface Board
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