F20
Asko
Overheat Protection / Ambient Temperature Fault
Oven display shows F20, oven may not start and internal fan may run unexpectedly.
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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
Blocked ventilation openings, Failed cooling fan, Faulty ambient temperature sensor near control panel, High-limit thermostat tripped near electronics
How to Fix / Troubleshooting
Safety first: Turn off power at the breaker. Let the oven cool completely.
- Check ventilation: Ensure that the oven has the required clearance in the cabinet and that front and rear ventilation slots are not blocked by panels or insulation.
- Verify cooling fan operation: Access the cooling fan and test for free rotation. Replace the fan motor if seized or noisy.
- Inspect ambient sensor / thermostat: Some Asko ovens use a sensor or thermostat near the control panel to monitor electronics temperature. Test continuity or resistance according to the service data and replace if faulty.
- Reset high-limit (if present): If a manual-reset thermostat is installed near the control area, press the reset button once. If it trips again, investigate fan and airflow issues before further use.
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Repair Difficulty
Medium
3/5
Required Part
Cooling Fan Motor
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