HP Tower Uninterruptible Power System - Manual (Page 55)

Troubleshooting 55
Troubleshooting
LED troubleshooting
Utility
LED On
Battery
LED
On
Bypass
LED
Self Test
LED Battery
Fault LED Site
Wiring
Fault LED
Over
Temp
LED
Overload
LED Condition
On—Lo
ad
<10%
Off Off On—Loa
d >10%
On—Loa
d >25%
On—Loa
d >50%
On—Loa
d >75%
Off UPS is in Operate mode (on
page 40 )
Flashing Off Off Off * * * Off UPS is in Standby mode (on
page 40 )
Off Off On On—Loa
d >10% On—Loa
d >25% On—Loa
d >50% On—Loa
d >75% Off UPS is in Auto-Bypass mode
(on page
41 )
Flashing Flashing Flashing Off Off Off Off Off UPS is in Converter Off mode
(on page 57 )
Off Off Off Off Off Off Flashing Flashing General alarm condition (on
page 57 )—UPS is in
Auto-Bypass mode
On Off Flashing * * * * * Bypass is out of range (on page
58 )
* Off * Off Flashing * * * Battery condition (on page
58 )—Batteries are
disconnected or battery test
failure
Off
Flashing Off Off Off Off Off Off Low battery (no utility power)
(" UPS is on battery " on page
58 )