Troubleshooting
Condition | Possible Cause | Action |
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indicator remains | Utility line is out of | Test wall socket, repair as required. |
lit, even though line | specification. |
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voltage is present. |
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UPS does not provide the expected backup time.
UPS circuit breaker is tripped.
PowerPass circuit breaker is tripped.
Low battery capacity.
Protected equipment power requirements exceed UPS capacity.
Reduce load, then reset breaker.
Reset breaker.
Allow battery to charge for 24 hours, then retest.
Reduce load, then retest.
Communications do not function properly.
OVERLOAD
SITE FAULT
OVERTEMP
BATTERY
SELF TEST
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.
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.
OVERLOAD
SITE FAULT
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.
Reduce load.
If the Overload indicator remains lit, reset the UPS by pressing the Output On 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).
58 | Powerware® 9 Prestige Series User’s Guide (600 VA - 1800 VA) : www.powerware.com |