What To Know
- A blown capacitor can cause the microwave to hum, spark, not heat food, or trip the circuit breaker.
- What is the cost of replacing a capacitor in a GE microwave.
- The cost of a new capacitor can range from $20 to $50, and the labor cost for a professional replacement can vary depending on the location and technician.
A malfunctioning capacitor can bring your trusty GE microwave to a standstill. Replacing this essential component is crucial to restore your appliance’s functionality. This comprehensive guide will empower you with the knowledge and step-by-step instructions to replace the capacitor in your GE microwave with ease.
Understanding the Capacitor
A capacitor is an electrical component that stores energy in an electric field. In a microwave, the capacitor serves two primary functions:
1. Starting the Magnetron: The capacitor provides a high-voltage surge to the magnetron, which generates the microwaves.
2. Smoothing the Power Supply: The capacitor helps smooth out the electrical current flowing into the microwave, ensuring a stable power supply.
Signs of a Faulty Capacitor
A faulty capacitor can manifest in several ways:
- Microwave hums or sparks when turned on
- Microwave doesn’t heat food
- Microwave door light doesn’t work
- Circuit breaker or fuse trips when microwave is used
Safety Precautions
Before attempting any repairs, ensure your safety by following these precautions:
- Unplug the microwave from the power outlet.
- Discharge the capacitor by shorting the terminals with a screwdriver (wear insulated gloves).
- Allow the microwave to cool down completely.
Tools and Materials Required
- New GE microwave capacitor
- Screwdriver (Phillips or flathead, depending on the microwave model)
- Multimeter (optional)
Step-by-Step Instructions
1. Locate the Capacitor
Open the microwave door and remove the screws holding the outer casing in place. Locate the capacitor, typically a cylindrical or rectangular component near the magnetron.
2. Disconnect the Capacitor
Using a screwdriver, carefully disconnect the wires connected to the capacitor terminals. Note the polarity of the wires (positive and negative).
3. Test the Capacitor (Optional)
If you have a multimeter, you can test the capacitor’s capacitance. Set the multimeter to capacitance mode and connect the probes to the capacitor terminals. A reading within 10% of the specified capacitance indicates a working capacitor.
4. Install the New Capacitor
Insert the new capacitor into the bracket and align the terminals with the corresponding wires.
5. Connect the Wires
Reattach the wires to the capacitor terminals, ensuring proper polarity. Tighten the screws securely.
6. Reassemble the Microwave
Replace the outer casing, securing it with the screws.
7. Test the Microwave
Plug in the microwave and turn it on. Verify that it heats food properly and operates without any unusual noises or sparks.
Additional Tips
- Use only a capacitor designed specifically for your GE microwave model.
- If you are unsure about any step, refer to the manufacturer’s instructions or consult a qualified technician.
- Dispose of the old capacitor safely by contacting your local recycling center.
Troubleshooting
- Microwave still doesn’t heat: The magnetron or other components may be faulty.
- Microwave sparks: The capacitor may not be properly connected or the magnetron is malfunctioning.
- Microwave trips circuit breaker: The capacitor or other electrical components may be shorting out.
What You Need to Know
1. How often should I replace the capacitor in my GE microwave?
In general, capacitors have a lifespan of 5-10 years. However, factors like usage frequency and environmental conditions can affect its longevity.
2. Can I replace the capacitor myself?
Yes, with the proper tools and safety precautions, you can replace the capacitor in your GE microwave yourself.
3. What are the symptoms of a blown capacitor in a microwave?
A blown capacitor can cause the microwave to hum, spark, not heat food, or trip the circuit breaker.
4. How do I know if the capacitor is the problem?
You can test the capacitor with a multimeter or observe its physical condition. A bulging or leaking capacitor is a clear indication of failure.
5. What is the cost of replacing a capacitor in a GE microwave?
The cost of a new capacitor can range from $20 to $50, and the labor cost for a professional replacement can vary depending on the location and technician.
