Microwave Not Heating
Your microwave runs and turntable spins, but food stays cold.
Common Causes
Failed magnetron, burned-out diode, defective capacitor, faulty door switch.
DIY Troubleshooting Steps
Test with a cup of water.
Check door closes firmly.
Listen for unusual humming. WARNING: Do not open cabinet — lethal voltage.
Don't want to troubleshoot?
Book a repair and we'll handle it. Free diagnostic with approved repair.
Most issues get worse (and more expensive) over time.
Why you shouldn't wait
A sparking or arcing microwave can damage your home’s electrical circuit. Continuing to use a malfunctioning unit risks fire or electrical shock.
When to Call a Professional
Microwave internal components carry dangerous high voltage. Always call a professional.
Get expert answers online in 15 minutes
A virtual video diagnosis tells you exactly what's wrong, what parts you need, and whether it's worth fixing. $49 via video chat.
Frequently Asked Questions
Why is my microwave not heating?
Failed magnetron, burned-out diode, defective capacitor, faulty door switch.
How much does it cost to fix a microwave that is not heating?
Typical repair costs range from $100–$300. Free diagnostic with approved repair.
Can I fix a not heating microwave myself?
Microwave internal components carry dangerous high voltage. Always call a professional.
Estimated Repair Cost
$100–$300
Free diagnostic with approved repair. Price varies by brand and model.
Need Help Now?
Same-day service available. 90-day parts & labor warranty.
Call (877) 378-3111Virtual Diagnosis — $49Microwave Not Heating — By City
Get city-specific help for this issue in your area.
Ready to get it fixed?
Book same-day repair or call us. Free diagnostic with approved repair.
