E09
Essentials
Overtemperature Safety Cut-Out Tripped
Display shows E09, oven cuts out during use and may restart after cooling
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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 weak safety thermostat (thermal cut-out), blocked cooling vents, failed cooling fan, poor installation causing overheating of control area
How to Fix / Troubleshooting
Safety first: Isolate the oven from mains power and allow it to cool completely.
- Check installation and ventilation: Ensure the oven has the required clearance in the cabinet and that front and rear ventilation slots are not blocked by panels or insulation.
- Inspect cooling fan: Access the top or rear of the oven to locate the cooling fan (not the cavity fan). Spin the blades by hand and check for free movement. If seized or noisy, replace the cooling fan motor.
- Test safety thermostat: Locate the thermal cut-out on the top or rear of the oven casing. Some are manual-reset (small button in the center). Press to reset if tripped. If it trips repeatedly or tests open-circuit at room temperature, replace it.
- Clean air paths: Remove dust and grease from the cooling fan and air channels to improve airflow.
- Re-test: After repairs, run the oven at a moderate temperature and monitor to ensure it no longer shuts down and E09 does not reappear.
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Repair Difficulty
Medium
3/5
Required Part
Oven Safety Thermostat / Thermal Cut-Out
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