Telefunken Insufficient Heating in Convection/Grill Mode

Microwave convection or grill function does not reach or maintain the set temperature.

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.

Possible Causes

Weak or open grill/convection element, Faulty convection fan, Defective temperature sensor, Control board not regulating heater correctly

Safety first: Unplug the microwave and allow it to cool before inspection.

Preheat properly: Ensure you allow sufficient preheat time as specified in the Telefunken manual.
Check fan operation: In convection mode, verify that the fan runs continuously. If not, test and replace the fan motor.
Test elements: Measure resistance of grill and convection elements. Replace any open or significantly out-of-spec elements.
Sensor check: Test the convection temperature sensor (NTC) and replace if faulty.

Hard 4/5

Convection Heater Element

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