Samsung Microwave Error C-D0

⚡ Quick Answer: The Samsung Microwave error code C-D0 indicates a malfunction related to the door switch, preventing the microwave from starting or causing unresponsi... ✅ DIY Fixable

What Does Error C-D0 Mean?

The Samsung Microwave error code C-D0 indicates a malfunction related to the door switch, preventing the microwave from starting or causing unresponsive controls. This issue may arise if the door latch or switch fails to signal properly, often triggered by power interruptions or attempts to close the door. Common symptoms include the microwave not starting and an unresponsive user interface.

Common Symptoms:

  • Microwave will not start and shows C‑D0
  • Error appears immediately after power interruption or attempted door close
  • User interface unresponsive or buttons appear stuck

Possible Causes

  • Door latch/switch not signaling properly (medium)

How to Fix Error C-D0

DIY Fix Check and reset simple issues

  1. Ensure no buttons are held down or debris is trapped against the touchpad
  2. Press STOP/CANCEL or similar to clear child lock if active
  3. Unplug the microwave for 5–10 minutes, then plug back in and test

Technician Only Inspect door and input systems

  1. Verify door alignment and inspect latch for damage or obstruction
  2. Test door switches for continuity; replace any that fail
  3. Inspect touchpad/buttons for signs of sticking or short circuits
  4. Check wiring harness between touchpad and control board if accessible

Parts needed: Door switch(es), Door latch assembly, Keypad/touchpad, Wiring harness

🛑 When to Call a Pro:
  • If error persists after simple user‑level resets and door/control checks
  • If unusual noises, sparks, or signs of electrical damage are present
  • If you are unfamiliar with disassembling microwave components

Technical Specifications

wattage 1000W
component Door Switch
resistance 1-5 ohms
part_number DA81-05299A
voltage_rating 120V AC

Common Questions

What does C-D0 error mean on Samsung Microwave?

C-D0 means a door switch malfunction, preventing the microwave from starting.

Can I fix Samsung Microwave C-D0 error myself?

Yes, check for debris on the touchpad and reset the microwave by unplugging it.

How much does it cost to fix C-D0 error?

Repair costs range from $50 to $200+ depending on parts and labor.

When should I call a technician for C-D0?

Call a technician if the error persists after troubleshooting or if there are unusual noises.

Data last verified: 2026-01-10

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