Tower
No Heat Across All Elements
Oven does not heat at all in any mode, but the display, light, and fan operate normally.
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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 safety thermostat, Faulty main oven thermostat (on analogue Tower models), Broken live feed to heating circuit, Failed main relay on control PCB
How to Fix / Troubleshooting
Safety first: Isolate the oven from mains power before testing continuity.
Steps to check:
- Check timer: Ensure the clock is set and the timer is not in automatic mode. Many Tower ovens will not heat if the timer is not correctly set to manual.
- Mode and temperature: Confirm a valid cooking mode and temperature are selected.
- Safety thermostat: Access the top of the oven and locate the safety thermostat/thermal cut-out. Test for continuity. If open and resettable, press the reset button. If non-resettable and open, replace it.
- Main thermostat (analogue models): Test the oven thermostat contacts for continuity when turned above room temperature. Replace if open.
Note: If all safety devices and thermostats are good, the main control PCB or relay may be faulty and should be checked by a technician.
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Repair Difficulty
Hard
4/5
Required Part
Oven Safety Thermostat
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