E20
Ilve
Main Relay / Power Distribution Fault
Oven displays E20 and none of the heating functions will start, though the clock and lights may work.
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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 main power relay on PCB, burnt relay contacts, open-circuit wiring from relay to elements, blown internal fuse on control board
How to Fix / Troubleshooting
Safety first: Disconnect power. Internal fuses and relays are on live circuits; only work on them when fully de-energised.
Board and wiring checks:
- Access the main control board and visually inspect for burnt relays, darkened PCB areas, or blown fuses.
- Test continuity across any internal fuses and replace only with the same type and rating.
- Check that live output from the main relay reaches the element circuits (requires schematic and careful testing).
- If the main relay is visibly damaged or does not click when a heating function is selected (with power on, by a qualified person), the board likely needs replacement.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board
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