E20
Teka
Display Power / Backlight Fault
Oven display is blank or flickers; E20 may appear briefly when power is restored.
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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, defective backlight driver on PCB, loose display connector, low-voltage power supply instability
How to Fix / Troubleshooting
Safety first: Disconnect mains power before removing the control panel.
Checks:
- Remove the control panel and inspect the display module and its connector to the control board.
- Reseat the display connector and check for cracked solder joints on the display pins.
- If the display is a separate module, test by substituting a known-good display if available.
- Inspect the low-voltage power supply section on the control board (capacitors, regulators) for visible damage.
- Replace the display module or entire control board if the display remains blank or unstable.
Note: Because display and control functions are often integrated, replacing the main PCB is the most common repair.
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Repair Difficulty
Hard
4/5
Required Part
Display Module / Main Control Board
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