If your Goldstar microwave turntable is not turning, the turntable motor is the most likely cause. Unplug the microwave and use a multimeter to test the motor for continuity. If the motor has no continuity, replace it. A broken or stripped glass tray drive coupling is another common cause, so gently pull the coupling from the motor shaft and inspect it for damage. Check the glass tray support, also called the turntable support or roller guide, for cracks, wear, or stripped drive teeth. If the motor is not receiving power, the user control and display board or main control board may be defective, although the motor is much more likely to fail. Also confirm that the turntable option has not been turned off, if your Goldstar model includes that setting. A working turntable helps distribute microwave energy and prevents uneven heating and hot spots. Enter your model number to find the exact replacement turntable motor, coupling, support, or control board for your microwave. Testing or replacing parts may require opening the outer cabinet. The high-voltage capacitor can store a lethal charge even after the microwave is unplugged, so it must be properly discharged before interior work. If you are not familiar with capacitor discharge procedures, hire a qualified technician.
01 - Goldstar Microwave Turntable Motor
Use a multimeter to test the motor for continuity. If the turntable motor does not have continuity, replace it.
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If the microwave turntable is not turning the glass tray drive coupling could be broken or stripped out. Gently pull the coupling off the drive motor shaft to inspect the drive coupling for damage.
If the microwave turntable is not turning the glass tray support could be broken or stripped out. Gently pull the support off the drive motor shaft to inspect the tray support for damage.
04 - Goldstar Microwave User Control and Display Board
The user control and display board might be defective. However, the turntable motor is much more likely to be at fault. First, test the incoming power to the turntable motor. If the motor is not getting power, the user control and display board may be defective. If the user control and display board is defective, replace it.
When the microwave turntable turns, the food is cooked evenly. If the turntable stops turning there may be hot spots where the microwaves are concentrated in one area. If the turntable is not turning, confirm the turntable option is turned on (if applicable).
Common
06 - Goldstar Microwave Control Board
The control might be defective. However, the turntable motor is much more likely to be at fault. First, check the incoming power to the turntable motor. If the turntable motor is not getting power, the main control board may be at fault.