Problem details
Which hardware is not working properly ?
Power - System boot failure - Synology NAS is unable to power on properly / unresponsive to the power button
Memory - Memory test fails when using Synology Assistant / Memory module is not detected after memory expansion
USB - USB devices (e.g. USB drives) are not detected
HDD/SSD - HDD/SSD is not detected (drive status indicator is off)
Internal LAN port - Internal LAN port connection fails / Abnormal network speed.
PCIe add-in network card - Synology PCIe add-in network card connection fails / Abnormal network speed
Fan - System fan fails / does not work properly
Expansion unit - Synology expansion unit is not detected
Others
Details of the issue
Remove all drives from the NAS and press the power button. After a few minutes, the Power LED still blinks continuously.
Plug the power cord to a different power source and press the power button. The Synology NAS is still unresponsive to the power button.
Plug other devices into the same power source originally used by the Synology NAS. The device functions properly.
Details of the issue
Synology authentic memory modules are used.
The expanded memory capacity does not exceed the limitation specified on the product specifications.
Details of the issue
The USB device is listed on Synology Hardware Compatibility List.
The USB device works only on a specific USB port of your Synology NAS.
The USB device works on any USB port of other Synology NAS.
Details of the issue
The HDD/SSD is listed on Synology Hardware Compatibility List.
The drive can be detected (drive status indicator is on) after installing the drive to a different drive bay.
Details of the issue
Problem still occurs after replacing the Ethernet cable.
Problem does not occur when connecting the same Ethernet cable to other LAN ports of the Synology NAS.
Problem still occurs when directly connecting the Synology NAS to a PC.
Details of the issue
Problem still occurs after replacing the Ethernet cable.
Problem does not occur when connecting the same Ethernet cable to other LAN ports (if applicable) of the Synology network add-in card.
Problem still occurs when directly connecting the Synology network add-in card to a PC.
Details of the issue
The status of all LED indicators are normal
The fan fails after switching to other fan locations (if applicable).
Details of the issue
The expansion unit can be detected after switching to other expansion ports of the Synology NAS (if applicable).
The expansion unit cannot be detected when connected to other expansion ports of Synology NAS.
The expansion unit cannot be detected after replacing the expansion cable.
Model *
FS3400
FS3600
RS3621xs+
RS3621RPxs
RXD1219sas
SA3200D
SA3400
SA3600
UC3200
Issue Type
Configuration issue
Performance issue
Function does not work
Upload proof of purchase and serial number
Contact information
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Location
Czech republic
Slovakia