Nuwave Intermittent Power / Voltage Drop

Nuwave air fryer display flickers, dims, or resets randomly during cooking.

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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

Loose power cord connection, failing outlet, internal loose connector on main board, failing power supply capacitor on control board

How to Fix / Troubleshooting

Safety First: Unplug the unit before opening the housing. Avoid using damaged outlets or extension cords.

Step-by-step checks:

  • Direct wall outlet: Plug the air fryer directly into a wall outlet, avoiding power strips or extension cords that may cause voltage drop.
  • Check plug fit: Ensure the plug fits snugly in the outlet. If it is loose, try a different outlet.
  • Inspect cord and plug: Look for heat discoloration or deformation on the plug blades, which can indicate poor contact.
  • Internal connectors (advanced): With the unit unplugged and cover removed, reseat all connectors on the main control board, especially the power input and display harness.
  • Board inspection: Look for bulging or leaking capacitors on the control board. These can cause unstable voltage and flickering displays.
  • Replace board: If capacitors are visibly damaged or flickering persists after reseating connectors, replace the main control board.

Note: Frequent power interruptions can also be caused by an overloaded household circuit; ensure the air fryer is not sharing a circuit with other high-wattage appliances.

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Repair Difficulty

Medium 3/5

Required Part

Main Control Board
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