The Zenmuse H20N is IP44 protected under the IEC60529 standard (Note: The protection rating is not permanent and might be reduced due to prolonged use and wear).

1. Make sure there is no liquid on the surface or in the gimbal connector before installation.

2. Make sure the gimbal is securely installed on the aircraft and the SD card slot cover is clean and closed properly.

3. Make sure the surface of the gimbal is clean before opening the SD card slot cover.