Xiaomi Electrical component vibration or partial failure

Air fryer produces unusual electrical buzzing or humming noises not present when new.

Advertisements

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.

Advertisements

Possible Causes

Loose transformer or inductor on main board,Vibrating heater element at certain power levels,Loose relay chattering due to low voltage,Failing fan motor bearings

How to Fix / Troubleshooting

Safety first: Unplug before opening the housing.

Steps:

  • Identify source: Run the unit briefly (with cover on) and listen to locate the general area of the noise (top, side, rear). Then unplug and open that area.
  • Secure components: On the main board, gently press on transformers or inductors and add insulating pads or tighten mounting screws if they are loose.
  • Check relays: Inspect relays for signs of arcing or heat damage.

If the noise comes from the fan motor and is accompanied by rough rotation, replace the fan motor. If from the main board and associated with erratic operation, replace the main control board.

Advertisements

Repair Difficulty

Medium 3/5

Required Part

Main Control Board
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements