F22
Falcon
Cooktop Glass Temperature Sensor Fault
Falcon induction cooktop shows F22 on one or more zones; touch controls may still respond.
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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
Failed NTC sensor attached to glass, Sensor detached from glass surface, Damaged sensor wiring to control PCB, Faulty control board temperature input
How to Fix / Troubleshooting
Safety first: Isolate the cooktop from mains power before lifting the glass surface.
- Power reset: Turn off power for 10 minutes and then restore. If F22 clears and does not return, it may have been a transient reading.
- Access sensor: Remove the cooktop from the worktop and carefully lift the glass. Locate the small NTC sensor clipped or bonded to the underside of the glass near the affected zone.
- Check attachment: Ensure the sensor is firmly attached to the glass. Re-secure or replace the clip/adhesive if loose.
- Test sensor: Measure resistance at room temperature and compare with Falcon’s specification. Replace the sensor if open, shorted, or out of range.
- Inspect wiring and board: Check the harness to the control PCB for damage. If the sensor and wiring are good, replace the control PCB.
Do not use adhesives not rated for high temperature; they can fail and cause inaccurate temperature readings.
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Repair Difficulty
Hard
4/5
Required Part
Cooktop Glass NTC Temperature Sensor
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