QNAP TL-R400S, Руководство пользователя

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Duration Frequency Description
Long beep (2 seconds) 3 (every 5 minutes) • The system fan is not functioning.
• The system temperature is over the threshold.
Note
• The default temperature warning
threshold is 65°C. You can set the
threshold to a temperature between
55°C and 69°C using QNAP JBOD
Manager.
• The temperature critical threshold is
70°C.
Fan Speed Switch
The rear panel of the JBOD enclosure includes a fan speed switch for manually configuring the speed of the
system fans.
Fan speed settings:
• Auto
When set, the fan speed changes automatically according to the internal temperature of the JBOD
enclosure.
• High
• Medium
• Low
For details, see Rear Panel .
QNAP JBOD Enclosure - TL-R400S/TL-R1200S-RP User Guide
Basic Operations 26