E14
Siemens
Power Supply / Low Voltage Fault
Display shows E14 and the machine may not power up fully or may reboot repeatedly.
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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
Defective internal power supply board, Shorted component drawing excess current, Loose mains connection, Faulty main control board
How to Fix / Troubleshooting
Safety first: Unplug the machine before removing any covers. The power supply contains live mains components.
Step-by-step:
- 1. Check mains outlet: Test the wall outlet with another appliance to ensure stable power. Avoid using multi-plug adapters or long extension cords.
- 2. Inspect power cord: Check the Siemens power cord for cuts, kinks, or signs of overheating at the plug.
- 3. Power reset: Leave the machine unplugged for 10–15 minutes, then reconnect directly to a wall outlet and test.
- 4. Internal inspection (for qualified persons only): Remove the cover and visually inspect the power supply board for burnt components, bulging capacitors, or loose connectors.
- 5. Professional repair: Replacement of the power supply or main control board involves working with mains voltage and should only be performed by a Siemens service technician.
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Repair Difficulty
Professional Required
5/5
Required Part
Power Supply Board
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