✅LÒ VI SÓNG chạy nhưng không NÓNG, và đây là cách sửa chữa

Summary

This video script offers a comprehensive guide on troubleshooting a microwave that runs but does not heat. The speaker walks through various potential issues, such as problems with the fuse, capacitor, and magnetron, while demonstrating hands-on testing techniques to diagnose each component. The script provides practical solutions to resolve these problems, including checking electrical connections and replacing faulty parts like the fuse. It emphasizes the importance of identifying the root cause of the issue to avoid repeated failures, making it a helpful resource for anyone looking to repair a microwave.

Takeaways

• 😀 The microwave runs but doesn't heat; this is the main issue to be addressed in the script.
• 😀 A quick test to check if the microwave is heating: placing a fresh leaf inside. If the leaf doesn't heat, the microwave is malfunctioning.
• 😀 The script emphasizes checking key parts: the magnetron, fuse, and capacitors, as potential causes of the heating failure.
• 😀 Testing the microwave's fuse with a multimeter helps determine if it's blown, which is a common cause of failure.
• 😀 The magnetron is the key heating component of the microwave. If it's damaged or not functioning, the microwave won't heat.
• 😀 Capacitors can cause issues with the microwave's operation if they are damaged or faulty, leading to the microwave not heating properly.
• 😀 The speaker demonstrates using a multimeter to test the components like the fuse and magnetron for functionality.
• 😀 If the fuse is blown, it can be replaced, and the speaker shows how to inspect and fix it to restore the microwave's operation.
• 😀 In some cases, the capacitors may need to be replaced, and the script explains how to test them to identify faults.
• 😀 The script provides hands-on repair tips, like using oil and wax to prevent the issue from recurring in the capacitor area.
• 😀 The speaker emphasizes the importance of diagnosing the root cause of the microwave's malfunction before attempting repairs, ensuring long-term functionality.

Q & A

What is the issue with the microwave in the video?

The microwave is running but not heating. This issue needs troubleshooting to identify the underlying cause.

What is the first step the speaker takes to diagnose the problem?

The speaker suggests testing the microwave's function by placing a fresh leaf inside and observing whether it heats up or not.

Why does the speaker use a leaf for testing the microwave?

The leaf is used as a simple test to see if the microwave is heating. If the microwave works properly, the leaf should heat and cook quickly.

What happens when the microwave doesn't heat the leaf?

If the microwave does not heat the leaf, it indicates that the microwave is malfunctioning and not heating food properly.

What are the potential causes of the microwave not heating, according to the speaker?

The possible causes include issues with the microwave bulb, the fuse, or the capacitor.

How does the speaker test the microwave's bulb?

The speaker tests the bulb by checking its continuity with a multimeter. If the bulb is working, the multimeter should show continuity.

What is the next component tested after the bulb?

The speaker tests the fuse next. The fuse is important because if it's blown, it could cause the microwave to stop functioning properly.

How does the speaker check the fuse?

The speaker checks the fuse by measuring the continuity with a multimeter. If the fuse is blown, the multimeter will show no continuity.

What does the speaker conclude about the fuse if it is found to be blown?

If the fuse is blown, it suggests a problem with the circuit, possibly caused by issues with other components like the capacitor.

What final solution does the speaker suggest for fixing the microwave?

The speaker suggests lubricating the components with oil to prevent further damage, as well as potentially sealing the affected areas with adhesive to prevent future issues.