E15
Electrolux Professional
Communication Error (Main Board to User Interface or Auxiliary Board)
Dishwasher shows E15, often related to communication issues between control modules.
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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 data cable, Faulty user interface board, Defective main control board, Electrical noise or surge damage
How to Fix / Troubleshooting
Safety first: Disconnect power before opening the control panel or base.
- Check connectors: Remove the control panel and verify that the ribbon cable or harness between the user interface and main control board is fully seated.
- Inspect for damage: Look for burn marks, corrosion, or moisture on both boards and connectors.
- Reseat cables: Disconnect and reconnect all low-voltage connectors to ensure good contact.
- Board replacement: If E15 persists, replace the user interface board first if symptoms point to display/key issues; otherwise, the main control board may need replacement.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board
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