Powerware Prestige series 9 User Manual page 64

Troubleshooting
Condition
indicator remains
lit, even though line
voltage is present. voltage is present
UPS does not provide the
expected backup time.
Communications do not
function properly.
OVERLOAD
SITE FAULT
OVERTEMP
BATTERY
SELF TEST
OVERLOAD
SITE FAULT
58
Possible Cause
Utility line is out of
specification.
UPS circuit breaker is tripped.
PowerPass circuit breaker is
tripped.
Low battery capacity.
Protected equipment power
requirements exceed UPS
capacity.
Incorrect communications
cabling.
Incorrect baud rate.
Incorrect communication mode.
Power requirements exceed UPS
capacity. If overload is greater
than 105%, the alarm beeps
every second and the UPS may
switch to Bypass mode.
The UPS switched to Bypass
mode because the overload
increased (above 105%). The
alarm beeps.
Building wiring is out of
specification. The UPS checks
the utility power source during
startup for reversed neutral and
line conductors. The alarm
beeps.
The utility line voltage and
frequency are out of
specification.
Powerware 9 Prestige Series User's Guide (600 VA - 1800 VA)
®
Action
Test wall socket, repair as required.
Reduce load, then reset breaker.
Reset breaker.
Allow battery to charge for 24 hours, then
retest.
Reduce load, then retest.
Verify cable integrity (see page 52).
Select a new baud rate (see page 51).
Select a new communication mode (see
Chapter 5).
Your UPS continues to operate.
Reduce load.
Reduce load.
If the Overload indicator remains lit, reset
the UPS by pressing the Output
button until the alarm beeps.
You may need to obtain a larger capacity
UPS.
Have site wiring tested. Repair as required.
The inverter remains online, deriving
power from the utility until it is no longer
acceptable.
Check the unit configuration.
Refer to the product specifications (see
page 55).
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