Appliance Diagnostic

Sharp Microwave E-02 Error Code - Thermistor Sensor Open

E-02 indicates an open circuit condition detected in the thermistor temperature sensor probe.

What Caused This Error?

The control system reports E-02 when the monitored condition described by the error code is outside the expected operating range. In this case, the most likely trigger is failed humidity sensor or thermistor. Other common contributors include dislodged wire plug and faulty main control unit.

Step-by-Step Diagnostic Check

  1. Disconnect power plug.
  2. Disconnect electrical power before opening panels. Locate thermistor near exhaust duct housing and test resistance.
  3. Disconnect electrical power before opening panels. Ensure harness plug is firmly locked into control board.
  4. Replace temperature thermistor sensor.
Most Likely Replacement Part

Convection Thermistor Sensor

OEM Part #: MODEL-SPECIFIC

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