Constructa
Intermittent Power / Control Panel Connection Issue
Dishwasher display or control panel lights flicker or go blank intermittently.
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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
Loose wiring harness in door,Moisture ingress in control panel,Failing user interface board,Cracked solder joints on main board
How to Fix / Troubleshooting
Safety first: Unplug the dishwasher before opening the door panel or control housing.
- 1. Check for moisture: Inspect the control panel area for signs of condensation or water ingress. Dry thoroughly if present and identify any leak paths from the tub.
- 2. Reseat connectors: Remove the inner door panel to access the control board and user interface. Carefully disconnect and reconnect the ribbon cables and wiring harnesses.
- 3. Inspect for damage: Look for burned components or corrosion on the control board. If found, the board should be replaced.
When to call a technician: Control electronics replacement and diagnosis are best handled by a professional.
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Repair Difficulty
Hard
4/5
Required Part
User Interface Board / Main Control Board
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