Tip 1010: Power-Ups Power - StorageTek L700 Service Manual

TIP 1010: Power—UPS Power
TIP 1010: Power—UPS Power
Use this TIP to troubleshoot power problems with the APC uninterruptible power
supply (UPS). This UPS is an optional feature that was designed to help prevent
blackouts, brownouts, sags and surges in AC power to the library.
See Figure A-1 on page A-3
Notes:
If power fails, the UPS will supply power to the equipment connected to the power strip
until the batteries are exhausted. While running on battery power, periodic beeps will
sound.
• Press the TEST/ALARM DISABLE button to turn off this alarm.
• A continuous beep will sound two minutes before the UPS will shutdown.
WARNING:
Make sure you follow the procedures in
on page
Problem
No power to the library.
1. Did the customer site lose power?
2. Did the APC UPS activate?
3. Check the Replace Battery light.
Is the LED on?
4. Isolate the power problem between the
library and the UPS.
3-4
for a wiring diagram and more information about the UPS.
xxv.
Conditions That Could Cause This Problem
•
•
•
•
Yes:
No:
Yes:
No:
Yes:
No:
Refer to the APC Reference and Troubleshooting Guide, other
APC documentation, or go online at
additional information.
See
with the UPS.
See
information about the library.
Fourteenth Edition
StorageTek Proprietary
"Safety, Fiber Optic, and ESD"
Defective APC UPS, switch, or power strip
Defective AC PDU
Defective power cable
Disconnected power source
Go to step 2.
Go to step 4.
Go to step 3
Go to step 4.
See Table 3-1 on page 3-5
about the problem and possible cause.
Go to step 4.
Table 3-1 on page 3-5 to help isolate the problem
"TIP 1000: Power—AC PDU" on page 3-2
for information
www.apc.com for
for
95846