La Cornue
Display or Low-Voltage Power Supply Failure
Digital clock or display is blank, but oven and burners may still work via manual controls
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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
Failed display module, Blown low‑voltage fuse on control board, Loose ribbon cable to display, Power surge damage
How to Fix / Troubleshooting
Safety first: Disconnect power at the breaker before removing the control panel.
- Check for dim vs dead: In a dark room, see if the display is faintly lit. A completely dead display suggests power or board failure.
- Inspect connections: Remove the control panel and reseat the ribbon cable between the EOC and display module.
- Check fuses: Some boards have small fuses protecting the low‑voltage circuit. Test and replace only with identical ratings if blown.
- Replace module: If connections and fuses are good, replace the display or full control board assembly as specified for your La Cornue model.
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Repair Difficulty
Hard
4/5
Required Part
Oven Display Module
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