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CD0 — Door or Key Error
critical
The microwave has detected a problem with the door latch or control keys. The unit may not start or operate safely.
Common causes
- Door not fully closed or latch faulty
- Key/button stuck or shorted
- Door switch malfunction
How to fix it
- Ensure door is firmly closed
- Check for stuck buttons on the control panel
- Unplug and restart; seek service if error returns
Parts you might need
- Door latch assembly
- Door switch
- Control panel keypad
Compiled from Samsung's public support resources — original page. Recalled.co is not affiliated with Samsung. Report incorrect information at hello@recalled.co.