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Goldstar Microwave shuts off after a few seconds

When your Goldstar microwave shuts off after a few seconds, stops after 3 seconds, or keeps turning off during a cycle, start with the door switches. A failing primary, secondary, monitor, or interlock door switch can shut the microwave down intermittently. Look for overheating, arcing, or burning, then test each switch for continuity with a multimeter and replace any damaged or inconsistent switch. The micro switch is the next likely cause and should be checked the same way. If the switches test good, the main control board may be faulty, although control boards are often misdiagnosed. Next, check the touchpad and control panel. If some buttons respond while others do not, replace the touchpad and control panel. A faulty touchpad alone is less common, but it may cause a microwave to run for a few seconds and stop when the display works and only certain buttons respond. The control board is another possible cause after other components test properly. Unplug the microwave before servicing. Opening the outer cabinet exposes a high-voltage capacitor that can store a lethal charge even after unplugging, so it must be properly discharged before interior work and may require a qualified technician. Enter your model number to find the exact replacement part for your Goldstar microwave.

01 - Goldstar Microwave Door Switch

A door switch might be failing intermittently. Check each of the door switches for signs of overheating, arcing, or burning. If you don’t see any obvious signs of failure, use a multimeter to test each switch for continuity. If any of the switches is visibly damaged or only has intermittent continuity, replace it.
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02 - Goldstar Microwave Micro Switch

A micro switch might be failing intermittently. Check each of the micro switches for signs of overheating, arcing, or burning. If you don’t see any obvious signs of failure, use a multimeter to test each switch for continuity. If any of the switches is visibly damaged or only has intermittent continuity, replace it.
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03 - Goldstar Microwave Main Control Board

Control boards are often misdiagnosed—before replacing the control board, first check more commonly defective parts, particularly the door switches. If all of the other components are working properly, replace the control board.
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04 - Goldstar Microwave Touchpad and Control Panel

To determine if the touchpad and control panel are defective, try pressing each of the buttons on the control panel. If some of the buttons respond correctly while others don’t, replace the touchpad and control panel.
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Highly Likely

05 - Goldstar Microwave Touchpad

If the microwave runs for a few seconds and stops the touchpad might be at fault. This is not common. Generally speaking, if the microwave display is working and some of the buttons respond correctly but some don’t, the problem is with the touchpad.
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Highly Likely

06 - Goldstar Microwave Control Board

Control boards are often misdiagnosed—before replacing the control board, first check more commonly defective parts, particularly the door switches. If all of the other components are working properly, replace the control board.
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Common

Frequently Asked Questions

Why does my Goldstar microwave shut off after a few seconds?
How do I test a Goldstar microwave door switch when it stops after 3 seconds?
Could the touchpad or control board make my microwave keep shutting off?
Is it safe to use a microwave that turns on by itself or runs with the door open?
How do I find the correct Goldstar microwave door switch or control part?

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