Hisense
Partial Heating Element Failure or Sensor Drift
Oven heats but cannot reach set temperature or takes excessively long to preheat.
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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
Weak or partially open lower element, Failed convection or grill element in multi-element heating, Drifted temperature sensor, Poor door seal causing heat loss
How to Fix / Troubleshooting
Safety first: Disconnect power and allow the oven to cool before testing elements.
- Element test: Test all heating elements (upper, lower, grill, convection) for continuity and correct resistance. Replace any element that is open or significantly higher resistance than specified.
- Sensor check: Verify the oven temperature sensor resistance at room temperature. Replace if out of spec.
- Door seal: Inspect the door gasket for gaps, tears, or flattening. Replace if it does not seal evenly all around.
- Preheat test: After repairs, time how long the oven takes to reach 180–200°C. Compare to the user manual expectations.
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Repair Difficulty
Medium
3/5
Required Part
Lower Heating Element
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