ME21M706BAS C20 error
Your Samsung ME21M706BAS is showing C20. Before replacing parts, confirm the model tag matches ME21M706BAS: Inside the door opening on the frame, or on the rear panel when the unit is pulled from the cabinet. On this Samsung microwave, C20 means Temperature sensor error — the sensor is open or shorted. The steps below follow the field-service order for the ME21M706BAS platform — not the generic Samsung C20 page. Cross-check part fit with ME21M706BAS before ordering — use the model-specific parts diagram. If the code cleared after a reset but returned mid-cycle, treat that as a confirmed fault rather than a one-time glitch.
Parts for this repair
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Fix steps
- Verify the model tag reads ME21M706BAS — Inside the door opening on the frame, or on the rear panel when the unit is pulled from the cabinet.
- Reset C20: unplug the microwave or switch off the breaker for 5 minutes, then restore power.
- Inspect hoses, connections, and visible wiring for damage, clogs, or loose fittings related to C20.
- Cross-check part fit with ME21M706BAS before ordering — use the model-specific parts diagram.
- Run a test cycle after repair. If the code returns, use the compatible parts below or the full brand code guide.
Professional assistance recommended
This issue may be unsafe for DIY repair. Follow the safety guidance above and contact a qualified technician.
Repair guidance is for informational purposes only. We do not guarantee that any fix will resolve your issue, and you assume all risk when following these steps. Terms & disclaimer
FAQ
What does C20 mean on a Samsung ME21M706BAS?
Temperature sensor error — the sensor is open or shorted.
How do I reset C20 on a ME21M706BAS?
Unplug the microwave or switch it off at the breaker for 5 minutes, then restore power and restart. If C20 returns on the ME21M706BAS, the underlying fault is still present.
What part do I need for ME21M706BAS C20?
Try the reset and troubleshooting steps first. C20 on the ME21M706BAS is not always a failed part.
Is C20 on the ME21M706BAS easy to fix?
Many owners fix this themselves with basic tools. Start with the reset and steps above, then check compatible parts below.