F15
Sharp
Convection fan or convection heater fault
Sharp oven displays F15 and may not heat in convection mode.
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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
Open convection heating element, failed convection fan motor, wiring fault to convection circuit, failed convection relay on control board
How to Fix / Troubleshooting
Safety: Disconnect power and allow the oven to cool before working on rear components.
- Test convection element: Access the rear of the oven cavity and locate the circular convection element. Disconnect its wires and measure resistance; an open circuit indicates a failed element.
- Check convection fan: Spin the convection fan by hand; it should move freely. If stiff or noisy, the motor may be failing. Test motor resistance and replace if open or shorted.
- Inspect wiring: Check the harness from the control board to the convection element and fan for burns or loose connections.
- Control relay: If both element and fan test good, the convection relay on the control board may not be energizing. Replace the EOC if confirmed.
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Repair Difficulty
Medium
3/5
Required Part
Convection Heating Element
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