Appliance Diagnostic

Samsung Microwave E-11 Error Code - Gas / Humidity Sensor Fault

E-11 signals that the smart auto-cook gas/humidity sensor circuit is open, shorted, or disconnected.

What Caused This Error?

The control system reports E-11 when the monitored condition described by the error code is outside the expected operating range. In this case, the most likely trigger is defective humidity sensor module. Other common contributors include grease buildup over sensor intake holes and loose wire connector at main pcb.

Step-by-Step Diagnostic Check

  1. Unplug microwave unit for 2 minutes to attempt soft reset.
  2. Remove outer cabinet and clean grease off humidity sensor housing.
  3. Disconnect electrical power before opening panels. Test sensor harness connection to main PCB.
  4. Replace humidity gas sensor unit.
Most Likely Replacement Part

Auto-Cook Humidity Sensor

OEM Part #: MODEL-SPECIFIC

Buy Replacement Part →