Troubleshooting 38
Troubleshooting
In this section
LED and audible alarm troubleshooting..................................................................................................... 38
Battery condition .................................................................................................................................... 39
Bypass is out of range ............................................................................................................................ 39
General alarm condition ......................................................................................................................... 40
Input voltage is out of range .................................................................................................................... 40
Insufficient warning of low batteries.......................................................................................................... 40
Internal UPS fault condition...................................................................................................................... 40
Low battery shutdowns............................................................................................................................ 41
Overload condition ................................................................................................................................ 41
REPO condition...................................................................................................................................... 41
Site wiring condition............................................................................................................................... 41
UPS does not provide the expected backup time........................................................................................ 41
UPS does not start .................................................................................................................................. 42
UPS frequently switches between utility and battery power .......................................................................... 42
UPS is in Auto-Bypass mode .................................................................................................................... 42
UPS is on battery.................................................................................................................................... 42
Utility power condition............................................................................................................................ 42
LED and audible alarm troubleshooting
General
Alarm
LED
On
Battery
LED
Battery
Fault
LED
Site
Wiring
Fault
LED
Utility
LED
Overload
LED
Audible alarm
Can alarm
be silenced
("Silencing
an audible
alarm" on
page 28)?
Condition
Off Off Off Off Green Off
No audible
alarm
N/A
UPS is in Operate
mode (on page 26)
Off Off Off Off
Flashing
green
Off
No audible
alarm
N/A
UPS is in Standby
mode (on page 26)
Off Off Off Off Red Off
On—1 beep
every 5
seconds
Yes
UPS is in Auto-Bypass
mode (on page 27)
Flashing
red
Off Off Off Red Off
On—1 beep
every 5
seconds
Yes
General alarm
condition—UPS is in
Auto-Bypass mode
("General alarm
condition" on page 40)
Off Off Off Off
Flashing
red
Off
On—1 beep
every 5
seconds
Yes
Bypass is out of range
(on page 39)
