ZyXEL NSA-220 Plus User Guide - Page 282
Do not remove or install hard drives while the NSA is turned on.
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Chapter 14 Troubleshooting An HDD LED is off. The HDD LED is off when the NSA cannot detect a hard drive in the drive bay. Replace or install a hard drive. See Installing or replacing a hard drive An HDD LED is orange. Orange means that the NSA detected an error on the hard drive (like a bad sector for example). The NSA automatically tries to recover a bad sector, but the LED stays orange until the NSA restarts. Even if the hard drive still functions, it is recommended that you replace it since errors are a sign that the hard drive may fail soon. See Installing or replacing a hard drive An HDD LED is red. Red means the hard drive has failed and the NSA can no longer detect it. Replace the hard drive. See Installing or replacing a hard drive If you are using a RAID I volume, you may still be able to use the volume but you should replace the faulty drive as soon as possible. Installing or replacing a hard drive Do not remove or install hard drives while the NSA is turned on. The NSA must be turned off before you remove or install hard drive(s). 1 Turn the NSA off, remove the rear panel and the drive tray and make sure: • there is a SATA I or SATA 3.0 Gbit/s compatible hard drive installed. • the hard drive is installed correctly in the drive tray. Push the tray back into NSA drive bay until the screw hole at the top of the drive tray is flush with the drive bay (see the NSA Quick Start Guide and Section 5.2.1 on page 112). • the hard drive could be faulty. Try a different hard drive or test the original hard drive in a different NSA or computer. 2 If you had to replace the drive, turn on the NSA and go to the Storage screen. 282 NSA-220 Plus User's Guide