E18
Toshiba
Safety Thermostat / Thermal Cut-Out Open
Oven fan runs but there is no heat in any mode; error indicates safety thermostat or overheat trip.
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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
Tripped non-resettable thermal fuse, Open safety thermostat, Overheating due to blocked vents, Failed cooling fan causing overheat
How to Fix / Troubleshooting
Safety first: Disconnect power and allow the oven to cool fully before inspection.
- Check ventilation: Ensure the Toshiba oven has proper clearance in the cabinet and that front and rear vents are not blocked by panels or insulation.
- Locate safety thermostat/fuse: Access the top or rear of the oven to find the thermal cut-out devices. Test each for continuity. Any open device must be replaced with the exact Toshiba-specified part.
- Investigate cause of overheat: If a safety device has opened, check the cooling fan operation and airflow. Replace a failed cooling fan motor and clear any obstructions.
- Resettable thermostat: Some models use a resettable thermostat with a small button. If present, press gently to reset after the oven has cooled.
Do not bypass thermal cut-outs; they are critical safety components.
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Repair Difficulty
Hard
4/5
Required Part
Safety Thermostat / Thermal Cut-Out
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