E13
Tefal
Low Voltage / Power Supply Fault
E13 appears and the display backlight flickers or goes dim; unit may shut off randomly.
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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 power supply on main PCB, Swollen electrolytic capacitors, Loose mains connector, Faulty internal transformer or SMPS circuit
How to Fix / Troubleshooting
Safety first: Unplug the air fryer before opening. Power supply circuits carry dangerous voltages.
- Check wall outlet: Test another appliance in the same outlet to rule out house wiring issues.
- Inspect power cord and plug: Look for heat damage or looseness at the plug. Replace the cord if suspect.
- Internal PCB inspection (advanced):
- Remove the control panel to access the main PCB.
- Look for bulging or leaking capacitors, burn marks, or cracked solder joints near the power input.
- Component-level repair: Replacing capacitors or repairing SMPS circuits should only be done by trained technicians. For most users, replacing the entire PCB is safer.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board
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