Samsung Microwave Error C-20

⚡ Quick Answer: C-20 means Samsung Microwave error C-20 indicates a malfunction in the magnetron, often accompanied by unusual buzzing sounds or fa... This is typically a DIY fix.

What Does Error C-20 Mean?

Samsung Microwave error C-20 indicates a malfunction in the magnetron, often accompanied by unusual buzzing sounds or failure to heat food.

Common Causes

  • Magnetron (60% likelihood)
  • High Voltage Capacitor (30% likelihood)
  • Control Board (10% likelihood)

Troubleshooting Steps

  1. Step 1: Inspect the Magnetron

    Remove the microwave cover and visually inspect the magnetron for burn marks or damage. Use a multimeter to test for continuity.

    Ensure the microwave is unplugged before accessing internal components.

  2. Step 2: Check the High Voltage Capacitor

    Locate the high voltage capacitor and discharge it safely. Test it with a multimeter for proper capacitance.

    Capacitors can hold a charge; use insulated gloves.

  3. Step 3: Examine the Control Board

    Inspect the control board for any burnt components or loose connections. Test the board with a multimeter if necessary.

    Document any disconnections to ensure correct reassembly.

  4. Step 4: Replace Faulty Components

    If any components are found defective, replace them with compatible parts. Reassemble the microwave carefully.

    Ensure all screws are tightened to avoid rattling.

  5. Step 5: Test the Microwave

    After reassembly, plug in the microwave and run a test to check if the error persists. Monitor for any unusual sounds.

    If the error returns, further diagnosis may be needed.

How to Reset

To reset the microwave, unplug it for 10 minutes and then plug it back in. If the error persists, further diagnosis is needed.

Technical Specifications

wattage 1000W
component Magnetron
resistance 1-3 ohms
part_number DE74-20019A
voltage_rating 120V AC

Frequently Asked Questions

Can I fix the Samsung Microwave error C-20 myself?

Yes, but it requires some technical skills and tools to diagnose and replace components.

How long does it take to fix the C-20 error?

The repair can take 1-2 hours depending on the issue and your experience.

What causes the Samsung Microwave error C-20?

This error is typically caused by a malfunctioning magnetron or related components.

Should I attempt to repair the microwave if I'm not experienced?

If you're not confident in your skills, it's best to call a professional to avoid safety risks.

When should I consider replacing my microwave instead of repairing it?

If multiple components are failing or the repair costs exceed half the price of a new unit, consider replacement.

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