E8 appears and the unit shuts off; sometimes accompanied by flickering display or dim lights.

Safety first: Unplug the air fryer before inspecting internal wiring.

External checks:

• Test the outlet: Plug the T-fal air fryer directly into a known-good wall outlet (no power strip). Avoid sharing the circuit with high-draw appliances.
• Check cord and plug: Inspect for damage, bent prongs, or heat discoloration. Replace the power cord if any defects are found.

Internal checks (advanced):

• Remove the housing to access the AC input terminals and main control board.
• Verify that the AC input wires are firmly attached and that there are no loose spade connectors.
• Inspect the power supply section of the PCB (near the AC input and large capacitors) for bulging capacitors, burnt resistors, or cracked solder joints.
• If you have electronics experience, test the low-voltage outputs (e.g., 5V, 12V) from the board while powered, using proper safety precautions and insulated probes.

In most cases, persistent E8 errors require replacement of the main control board. Because this involves mains voltage and power electronics, consider professional service if you are not experienced.