ZyXEL NSA-2401 User Guide - Page 249
Troubleshooting, 12.1 Troubleshooting Overview, 12.2 Power, Hardware Connections, and LEDs
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CHAPTER 12 Troubleshooting 12.1 Troubleshooting Overview This chapter offers some suggestions to solve problems you might encounter. The potential problems are divided into the following categories. • Power, Hardware Connections, and LEDs • NSA Login and Access • Users Cannot Access the NSA • Backups and Snapshots • External USB Disks 12.2 Power, Hardware Connections, and LEDs V 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. V 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 Disk Replacement Restrictions on page 128. NSA-2401 User's Guide 249