Replace System Fan
Your DiskStation will play beep sounds if either of the system fans is not working. Follow the steps below to
replace the malfunctioning fan with a good one.
To replace the system fan:
1 Shut down your DiskStation. Disconnect all cables connected to your DiskStation to prevent any possible
damages.
2 Fans are numbered as follows:
3 Remove the 2 screws that secure the fan panel.
10 Chapter 2: Hardware Setup