Air fryer shows E8 and shuts off mid‑cycle, often when cooking at higher temperatures.

Safety first: Unplug the unit and allow it to cool completely. Do not attempt to bypass any thermal fuses.

Steps to address E8:

• 1. Clean the unit thoroughly: Remove the basket and crisper tray. Wash them with hot, soapy water. Wipe the interior cavity, especially the top area around the heater and fan, to remove baked‑on grease. Ensure the rear exhaust vents are clear.
• 2. Check for proper spacing: Make sure the air fryer is not pushed against a wall or under low cabinets. Provide at least several inches of clearance on all sides.
• 3. Access the heater circuit: With the unit unplugged, remove the rear or top cover to locate the thermal fuse (often a small cylindrical or capsule‑shaped device in series with the heater leads, wrapped in fiberglass sleeving).
• 4. Test the thermal fuse (advanced): Disconnect one lead of the fuse and check continuity with a multimeter. If it reads open (OL), the fuse has blown and must be replaced with the exact same temperature and current rating.
• 5. Inspect for root cause: A blown thermal fuse usually indicates overheating. Confirm the fan is operating correctly and that the high‑limit thermostat is not stuck closed.
• 6. Replace components: Replace the thermal fuse using proper crimp connectors and high‑temperature sleeving. Do not solder directly to the fuse body. If the control board is driving the heater continuously or ignoring sensor input, replace the board as well.

Warning: Never bypass or short the thermal fuse. Doing so removes a critical safety layer and can lead to fire.