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E1, E2, or E3 Error Code

Troubleshooting Air Conditioners Last Updated 09/19/2017

E1, E2, OR E3 ERROR CODE

The E1 or E2 error code is an Auto-Stop Protection Error, indicating an issue detected by a sensor. This error code will require service.

The E3 error code displays when an Abnormal Operation Protection Error has occurred, and activates to protect the unit from damage. This error code will require service.

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