Xtreme Power Conversion Corporation
S70 User’s Manual
Page 7
Uninterruptible Power Supply
Troubleshooting
Condition
Visual Indicator
Alarm
No words display on front panel
Low battery
Charge the UPS at least 6 hours
Battery fault
Replace the battery with the same
type of battery
The UPS is not turned on
Press the Power Switch on the front
of the UPS
Alarm continuously sounds when
the AC input is normal
The UPS is overloaded
Remove some of the load from the
output of the UPS
When power fails, backup time is
shorter than expected
The UPS is overloaded
Remove some of the load from the
output of the UPS
Battery voltage is too low
Charge the UPS at least 8 hours
Battery defect – possibly due to
high environmental temperature or
improper operation of the battery
Replace the battery with the same
type of battery
Utility power is available but the
UPS is in battery mode
Power cord is loose
Reconnect the input power cord
properly
