Handling the Micro SD Card
When handling the micro SD card, observe the following precautions to help prevent the corruption or loss of internal data, or the malfunction of a micro SD card.
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                   Loss of Application Data 
                  
 
 
 
 Failure to follow these instructions can result in equipment damage. 
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When using TeSys island and a micro SD card, observe the following precautions to help avoid data loss.
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Accidental data loss can occur at any time. Once data is lost it cannot be recovered. Backup the SD card data regularly.
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If you forcibly extract the micro SD card, data on the micro SD card may become corrupt.
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Removing a micro SD card that is being accessed could damage the micro SD card, or corrupt its data.
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If the micro SD card is not positioned correctly when inserted into the controller, the data on the card and the bus coupler could become damaged.
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If you are updating the TeSys island firmware, be sure to update the SD card backup also.