Your Datto S3X, ALTO2, or ALTO 3 is unable to boot and is displaying a red error light.
- Datto SIRIS 3 X1
- Datto SIRIS 3 X2
- Datto SIRIS 3 X4
- Datto ALTO 2
- Datto ALTO 3
You can often resolve this issue by resetting the CMOS on the Datto device.
1. Unplug the device
2. Twist the four rubber feet with your fingers to remove them.
3. Remove the baseplate.
4. Press the CMOS reset button (circled in red below).
5. Put the baseplate back on and screw the feet back in.
6. Plug in the device and turn on the power.