Instruction manual
9
Fan Speed Control
The cooling Smart Fan is automatically controlled by an integrated 
thermal sensor, but can also be set manually. The fan is capable of 
running at 3 different speeds depending on the temperature range of 
the enclosure (less than 45
o
C, between 45-54
o
C, and greater than 
55
o
C), or set manually to run constantly at a single speed.
LED Status Description
ON
Smart Fan Auto Mode
OFF
ON
Smart Fan Manual Mode
OFF
ON
Low Speed - 1200RPM 
(Manual Mode only)
OFF
ON
Medium Speed - 1800RPM 
(Manual Mode only)
OFF
ON
High Speed - 2500RPM 
(Manual Mode only)
OFF
Pressing the Fan button will toggle between Auto and Manual modes 
and toggle between the different manual fan speeds.
Troubleshooting
Only one drive shows up over eSATA
If only one of the installed hard drives is visible on the computer when 
connected over eSATA, ensure that the eSATA port on your computer 
system supports Port Multiplier technology.










