My GoldStar Microwave Makes Noise and Won't Heat


If your GoldStar microwave suddenly does not heat and makes noises, try troubleshooting the kitchen appliance before unplugging and hauling the oven to a repair shop. For example, if the unit is set to the lowest power setting, frozen dinners may not thaw and cook within the stated time frame. The fact that the oven makes noise indicates that some features are operating.

Things You'll Need

  • Microwave-safe cup with water
  • Open the microwave door. Lift the the turntable to check the roller wheels underneath. If the wheels have jumped the track, place them back in the groove set into the bottom of the microwave.

  • Replace the turntable so the cog in the bottom center fits into the motor drive at the bottom of the microwave. Misalignment can cause a knocking sound.

  • Set a measuring cup with 1 cup room-temperature water in the microwave and close the door, making sure it is latched properly.

  • Set the microwave for one minute of cooking time. Press "Power Level" and enter "10" to set the GoldStar at 100 percent power. Start the microwave.

  • Open the microwave door when it turns off. Check the water in the cup to determine if it is hotter than room temperature. If the microwave does not heat, and you confirm that the power level and cooking functions were used rather than the timer function, then the microwave likely needs repairs.

Tips & Warnings

  • Check your receipt for the purchase date on the GoldStar to determine if you still have warranty coverage. Parts and labor are covered for one year on all GoldStar microwaves. The magnetron, which is the core component that produces microwaves for cooking food, is covered for eight years from the purchase date.

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