Leander, TX · Samsung Cooktop Repair · Error Code

Samsung Cooktop Repair Error Code E-21

Error code E-21 isn't random — we verify what triggered it.

  • Appliance: Samsung Cooktop
  • Meaning: Overheat protection triggered
  • Coverage: 78641, 78646

What error code E-21 means on a Samsung cooktop

This code often points to a sensor, control, inverter, or safety-related condition.

How technicians usually fix it

A code narrows the issue but must still be tested properly before replacing anything.

Typical fix: Check cooling fan, airflow, and sensor readings; confirm cause of overheating.

Other Samsung error codes

If you're seeing a different code, check these: