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System Maintenance
Replace System Fan
If a system fan malfunctions, please follow the steps below to open the case of your RS1221+ and replace the
malfunctioning fan.
To replace the system fan:
1 Follow step 1 and 2 of the "To install the memory module" section to shut down your Synology NAS,
disconnect the cables and remove the top cover.
2 Fans are numbered as shown below.
3 Loosen the screws that secure the fan to the back cover as shown below.
4 Remove the malfunctioning fan:
a Find the cable of the fan and carefully unplug it.
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