F20
Viking Pan Detection / Coil Sensor Fault

Viking induction cooktop zone shows F20 and shuts down when a pan is placed on it.

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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

Incompatible cookware (non-magnetic), Damaged induction coil, Faulty pan detection sensor on power board, Loose coil wiring or connector

How to Fix / Troubleshooting

Safety first: Turn off power at the breaker before removing the cooktop from the counter or accessing internal parts.

Steps to check and correct:

  • Verify cookware: Ensure the pan is induction-compatible by checking if a magnet sticks firmly to the bottom. Use a flat, appropriately sized pan.
  • Try another zone: Test the same pan on a different induction zone. If it works elsewhere, the original zone has a hardware issue.
  • Inspect glass and coil area: Look for cracks in the glass or signs of impact over the affected zone.
  • Internal inspection: From below, locate the coil for the affected zone and inspect wiring and connectors. Tighten any loose connections.
  • Replace coil or module: If wiring is intact but F20 persists, the coil or power module for that zone may be defective and require replacement.

When to call a technician: Coil and module replacement on induction cooktops should be performed by a qualified technician.

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Repair Difficulty

Professional Required 5/5

Required Part

Induction Coil Assembly
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