F13
Hotpoint-Ariston
Dryer Temperature Sensor (NTC) Fault
Drying cycle will not start or stops quickly; F13 displayed.
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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 dryer NTC sensor, Loose or corroded NTC connector, Broken wiring to dryer NTC, Faulty main control board dryer input
How to Fix / Troubleshooting
Safety: Unplug the appliance and allow it to cool fully before working on the dryer section.
- Access dryer NTC:
- On Hotpoint-Ariston combos, the dryer NTC is usually located on the dryer air duct or heater housing at the rear or top.
- Remove the top or rear panel as required.
- Check connections:
- Ensure the NTC plug is secure.
- Inspect for heat damage or corrosion.
- Test NTC (for multimeter users):
- Disconnect the sensor.
- Measure resistance at room temperature (typically 20–30 kΩ).
- Warm the sensor gently; resistance should decrease smoothly.
- Replace if open, shorted, or erratic.
- Inspect wiring: Trace the NTC wires back to the control board and repair any damage.
- If NTC and wiring are OK: The main control board dryer circuit may be faulty and require replacement.
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Repair Difficulty
Medium
3/5
Required Part
Dryer NTC Temperature Sensor
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