My Microwave Turns On but Doesn’t Heat: What’s Going On?
One of the most common issues we see with microwaves in homes across Broward and Miami-Dade is when the unit powers on — the light is on, the turntable spins, you hear the usual sounds — but your food stays cold. At AQS Appliances, we know how frustrating this can be. Let’s break down what might be happening and how to fix it.
📍 Symptom: Microwave Turns On, But Doesn’t Heat
You put your food inside, set the timer, press “Start,” and wait… only to find your food is just as cold as before. Sometimes, you might hear a strange hum, or no sound at all.
🔍 Technical Diagnosis: What Could Be Causing This?
Our experienced appliance repair technicians typically identify three common culprits:
-
Blown internal fuse: This acts as a safety measure to protect the appliance from power surges.
-
Faulty magnetron or diode: These are the key components responsible for generating the microwaves that heat your food.
-
No noise or unusual buzzing at startup: These sounds can signal deeper electrical issues.
🛠️ Recommended Solution: What Can You Do?
Here’s what we suggest:
-
Fuse replacement: If the fuse is the only issue, a quick swap can get your microwave working again.
-
Magnetron/diode inspection and replacement: If either of these parts is damaged, they’ll need to be replaced to restore heating function.
-
⚠️ Safety Warning: Microwaves store high-voltage energy even when unplugged. Do not attempt repairs if you’re not trained — it can be dangerous.
🤝 Need Professional Help?
At AQS Appliances, we repair all major microwave brands using original parts and certified technicians. We proudly serve Hollywood, Broward, and Miami-Dade County with fast, honest service.
📞 Call us at +1 786-267-7207
📧 Email us at info@aqsappliances.com
💬 Or send us a message to schedule your diagnostic visit.
AQS Appliances — Reliable Repairs. Trusted Service.
