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How to solve the problem that the incubator displays e3?
Check the temperature sensor and clean the inside of the kettle.

1. According to Zhongguancun online display, the incubator displays e3. Check the temperature sensor first: the temperature sensor will be loose or damaged, so you can check whether the sensor is installed correctly or not.

2. The accumulated water or dust in the incubator will cause the temperature sensor to fail to work normally.