Sharp Microwave Error Code EE7

EE7 means the microwave detected an excessively high temperature at either the exhaust thermistor or the magnetron thermistor and stopped operating to prevent overheating damage. The control board monitors these two temperature sensors continuously during operation, and when either reports a value above the acceptable limit, the oven shuts down. The error will persist until the root cause, whether a blocked vent, a failed fan motor, or a faulty thermistor, is diagnosed and corrected.

Unplugging the unit for a few minutes may clear the error temporarily if the thermistors simply registered elevated heat from an extended or heavy cooking session, but the code will return if the underlying problem has not been fixed. If the error reappears after a reset, a component issue such as a failed fan motor, a blocked vent, or a defective thermistor is the likely cause and must be addressed directly.

Repair costs depend on which component has failed. Thermistor replacements are generally on the lower end of the cost range, typically between $20 and $80 for the part, while fan motor replacements can run $30 to $120 or more depending on the specific motor involved. If professional labor is needed, total repair costs including parts and labor could range from $100 to $250 or higher, which should be weighed against the age and value of the unit.

No, you should not attempt to operate the microwave while EE7 is active. The error indicates a thermal protection event, and continued use before identifying the cause could result in damage to the magnetron, other internal components, or in a worst case scenario, a fire. Leave the unit unplugged until the issue has been properly diagnosed and repaired.

Start by checking that all air intake and exhaust vents are clear of grease, debris, and obstructions, and confirm the unit has adequate clearance around it for ventilation. Next, verify that the exhaust motor and all internal fan motors are spinning freely and operating correctly. If airflow is not the issue, test the resistance of both the exhaust thermistor and the magnetron thermistor to determine if either sensor has failed and needs replacement.