Error Code Hard drive/eMMC light blinking

The hard drive or eMMC is actively being accessed by the computer.

? What Causes This

Read/write operations such as updating a file, installing software, etc.

Wait for actions to complete. If it persists abnormally during idle periods, this might indicate a disk issue needing inspection and maintenance.

Source: page 10 of the official manual

From the manual

This error code appears in: