E12
Philips
Internal Power Supply Fault on Control Board
E12 is displayed and the cooker cannot start or complete a program.
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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 low-voltage regulator on PCB, Shorted component on control board, Surge damage from unstable mains
How to Fix / Troubleshooting
Safety first: Unplug the cooker immediately. Do not continue to operate it with this error.
- Check mains supply: Verify that your outlet voltage matches the rating on the Philips nameplate. Avoid using unstable generators or inverters.
- Try a different outlet: Plug the cooker into a different, properly grounded outlet without adapters or extension cords.
- Do not open sealed electronics: The internal power supply is part of the main PCB and contains high-voltage components. Do not attempt DIY repair unless you are qualified.
- Service replacement: Contact Philips or a certified technician to replace the main control PCB. Continued use with a faulty power supply can pose a fire or shock hazard.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control PCB
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