Introduction
System Overview
- Specifications
- Views
Status LEDs
Cables and Connectors
- USB-C protocols
- Cables
Getting Connected
- Storage format
- Disconnecting the hard drive
Operation
Manage RAID
Hard Drive Maintenance
Safely Remove Device From Your Computer
- Windows
- Mac
Optional Formatting
- Choosing a file system format
- Formatting instructions
Frequently Asked Questions
- All users
- Mac
- Windows
Regulatory Compliance
- China RoHS
- Taiwan RoHS

Status LEDs

The LEDs help you identify the status of the system and drives.

System LED
Drive LEDs

System LED status

LED behaviour	System status
Off	Device is powered off
Solid blue	Device is connected to host
Blinking blue	Device is booting
Slow blinking blue, 10 second interval	Device is in power-saving mode
Fast blinking blue	Device starting up or shutting down
Blinking red and blue	RAID is being initialised or synced
Blinking red, 1 second interval	Temperature warning or RAID degraded
Solid red	Temperature critical, fan not connected or RAID broken

Technical note regarding power-saving mode and Windows — The device can be placed into power-saving mode on PC’s running Windows 10 or higher. However, it is possible that the LED will remain off rather than flash blue every 10 seconds.

LEDs for this device can be dimmed using the Toolkit app. See the Toolkit user manual for details.

Drive LED status

LED behaviour	Drive status
Solid blue	Drive is ready
Blinking blue	Drive is being accessed (normal operation)
Solid red	Drive is faulty