APC SUA1500 User Manual

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  5: T
ROUBLESHOOTING
 
Use the chart below to solve minor Smart-UPS installation and operation problems. Refer to the APC 
web site, www.apc.com, for assistance with complex UPS problems. 
P
ROBLEM AND 
P
OSSIBLE 
 
C
AUSE
 
S
OLUTION
 
UPS
 WILL NOT TURN ON
 
Battery not connected prop-
erly. 
Check that the battery connector is fully engaged. 
 button not pushed. 
Press the 
 button once to power the UPS and the connected equipment. 
UPS not connected to utility 
power supply. 
Check that the power cable from the UPS to the utility power supply is se-
curely connected at both ends. 
Very low or no utility voltage. 
Check the utility power supply to the UPS by plugging in a table lamp. If the 
light is very dim, have the utility voltage checked. 
UPS
 WILL NOT TURN OFF
 
 button not pushed. 
Press the 
 button once to turn the UPS off. 
Internal UPS fault. 
Do not attempt to use the UPS. Unplug the UPS and have it serviced imme-
diately. 
UPS
 BEEPS OCCASIONALLY
 
Normal UPS operation when 
running on battery. 
None. The UPS is protecting the connected equipment. 
UPS
 DOES NOT PROVIDE EXPECTED BACKUP TIME
 
The UPS battery is weak due 
to a recent outage or is near 
the end of its service life. 
Charge the battery. Batteries require recharging after extended outages. 
They wear faster when put into service often or when operated at elevated 
temperatures. If the battery is near the end of its service life, consider replac-
ing the battery even if the replace battery LED is not yet lit. 
A
LL 
LED
S ARE LIT AND THE 
UPS
 EMITS A CONSTANT BEEPING
 
Internal UPS fault. 
Do not attempt to use the UPS. Turn the UPS off and have it serviced imme-
diately. 
F
RONT PANEL 
LED
S FLASH SEQUENTIALLY
 
The UPS has been shut down 
remotely through software or 
an optional accessory card. 
None. The UPS will restart automatically when utility power returns. 
A
LL 
LED
S ARE OFF AND THE 
UPS
 IS PLUGGED INTO A WALL OUTLET
 
The UPS is shut down and the 
battery is discharged from an 
extended outage. 
None. The UPS will return to normal operation when the power is restored 
and the battery has a sufficient charge. 
 
   
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