Er03
AEG
Control Panel Contaminated or Continuous Key Press Detected
Induction or ceramic hob shows Er03 and beeps, controls locked
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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
Liquid spill on touch controls, Object (cloth, utensil) covering control area, Stuck or damaged touch sensor on glass, Faulty touch control PCB
How to Fix / Troubleshooting
Immediate steps:
- Switch the hob off using the main power key if possible.
- Wipe the entire control area with a soft, dry cloth to remove water, grease, or food.
- Remove any objects resting on the control panel (towels, lids, utensils).
- Turn the hob off at the mains for 2–3 minutes, then restore power.
If Er03 persists:
- Inspect the glass over the control area for cracks or damage; a cracked glass can cause false touches and must be replaced.
- If the glass is intact and clean, the touch control PCB may have a stuck sensor or internal fault.
- Replacement of the control PCB (and possibly the glass top if bonded) should be done by a qualified technician.
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Repair Difficulty
Medium
3/5
Required Part
Touch Control PCB
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