F3
Balay
Temperature Sensor (Thermostat/NTC) Fault on Radiant Zone
Electric ceramic cooktop shows F3; one or more radiant zones do not regulate temperature correctly (overheating or underheating).
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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 or shorted NTC sensor on heating element, Loose sensor wiring, Faulty control board input circuit, Damaged radiant element with integrated sensor
How to Fix / Troubleshooting
Safety first: Disconnect the cooktop from mains power before accessing internal components.
- Step 1 – Identify affected zone: Note which radiant zone misbehaves or shows F3 when selected.
- Step 2 – Access underside (technician): Remove the cooktop from the countertop and open the bottom cover to expose the radiant elements.
- Step 3 – Inspect sensor wiring: Locate the NTC sensor on the affected element (often clipped to the element or integrated). Check for loose or broken wires and secure connectors.
- Step 4 – Measure sensor resistance: With a multimeter, measure the NTC resistance at room temperature and compare with Balay service values. Replace the sensor or entire element if out of range.
- Step 5 – Control board check: If the sensor is good, the control board’s sensor input may be defective. Replace the control board if necessary.
Do not operate a radiant zone that overheats uncontrollably, as it poses a fire risk.
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Repair Difficulty
Hard
4/5
Required Part
Radiant Heating Element with NTC Sensor
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