OK
Reduced Grill / Convection Heating Performance
Microwave convection or grill mode takes very long to reach temperature or does not brown food
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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
Partially failed grill element, Weak convection heater, Failing convection fan, Faulty temperature sensor calibration
How to Fix / Troubleshooting
Safety: Unplug and cool the unit before accessing grill or convection components.
- 1. Compare with manual: Check expected preheat times in the OK manual. Some delay is normal.
- 2. Inspect grill element: Look for dark spots or breaks. A partially open element may still heat but weakly.
- 3. Check convection fan: Ensure the fan runs strongly in convection mode. Weak airflow reduces performance.
- 4. Test temperature: Use an oven thermometer to verify actual temperature versus setpoint.
- 5. Replace weak elements, fan motor, or temperature sensor as needed.
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Repair Difficulty
Medium
3/5
Required Part
Convection Heater Element
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