Samsung
Underheating / Long Preheat
Oven heats but does not 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 bake element, Faulty oven temperature sensor, Poor door seal (gasket leak), Calibration offset in control
How to Fix / Troubleshooting
Safety first: Turn off power before testing components.
- Verify with thermometer:
- Place an oven thermometer in the center of the oven and preheat to 350°F.
- Compare actual temperature to the set temperature.
- Inspect elements:
- Ensure both bake and broil elements glow red during preheat (many Samsung ovens use both).
- If one does not glow, test and replace it.
- Check door gasket:
- Inspect the door gasket for gaps, tears, or flattening.
- Replace the gasket if it does not seal evenly all around.
- Test temperature sensor:
- Measure sensor resistance at room temperature; replace if out of spec.
- Calibrate temperature:
- Use the oven's settings menu to adjust the temperature offset if the oven is consistently off by a fixed amount.
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Repair Difficulty
Medium
3/5
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