Bosch Leakage Current / Grounding Issue

Air fryer gives mild electric tingling when touching the metal parts.

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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

Faulty grounding connection, Damaged power cord earth conductor, Moisture inside chassis, Filter capacitors leaking current to chassis

How to Fix / Troubleshooting

Safety first: Unplug immediately and do not use until the issue is resolved.

Steps:

  • 1. Outlet grounding: Verify that the wall outlet is properly grounded.
  • 2. Cord inspection: Check the Bosch power cord for damage, especially at the plug and strain relief. Replace if any damage is found.
  • 3. Internal earth: Open the housing and confirm the earth (ground) wire is securely fastened to the metal chassis with a screw and lock washer.
  • 4. Moisture: Look for condensation or water inside. Dry thoroughly before reassembly.

Note: If tingling persists after these checks, have a qualified electrician or Bosch technician test the appliance.

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Repair Difficulty

Hard 4/5

Required Part

Power Cord / Ground Connection
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