E19
AEG
Internal Clock / RTC Fault
E19 appears and the cooker may show incorrect time or temperature, or fail to maintain settings.
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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 real-time clock circuit, Corrupted configuration memory, Faulty backup capacitor or battery (if fitted), Main PCB failure
How to Fix / Troubleshooting
Safety first: Disconnect from mains before opening the control housing.
- Factory reset: Perform a factory reset according to the AEG user or service manual to clear any corrupted settings.
- Check for backup power device: Some boards use a small battery or supercapacitor to maintain clock settings. Inspect and replace if leaking or failed.
- Inspect PCB: Look for corrosion or damage around the clock IC or crystal oscillator.
- Replace main PCB: If E19 persists and no discrete backup component is replaceable, the main control PCB will typically need replacement.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB
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