Справочник Пользователя для ZyXEL Communications NSA-2401

NSA-2401 User’s Guide

This chapter offers some suggestions to solve problems you might encounter. The potential 
problems are divided into the following categories.

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The NSA PWR LED does not turn on (no LEDs are on).

• Make sure the NSA is turned on.

• Make sure you are using the power adaptor or cord included with the NSA.

• Make sure the power adaptor or cord is connected to the NSA and plugged in to an 

appropriate power source. Make sure the power source is turned on.

• Turn the NSA off and on.

• Disconnect the power cord for at least 10 seconds. Reconnect it and turn the NSA back on.

• If the problem continues, contact the vendor.

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 The NSA SYS LED is (quickly) flashing red.

If the SYS LED is quickly flashing red then a RAID array is degraded. Degraded means one of 
the disks in a RAID array is down but the array can still be used (if you’re using RAID 1 or 
RAID 5). Go to the Storage > Internal Storage > Disk screen to identify the faulty disk. 
Replace the faulty disk with another of equal or greater capacity. See your Quick Start Guide 
for information on replacing a disk and also 

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