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Lucent Technologies Model 3000 UPS Operator's Manual (167Ć405Ć119 Issue 3)
57
Troubleshooting
The UPS is designed for durable, automatic operation and also alerts you whenever
potential operating problems may occur. Use the following troubleshooting chart to
determine the UPS alarm condition.
Unlit
Amber
Green
Flashing
Indicator Legend
Condition Possible Cause Action
UPS does not turn on.
UPS is not plugged in. Plug UPS into working outlet.
Dead wall socket. Test wall socket, repair as required.
UPS input breaker is tripped. Reduce load, then reset breaker.
Load does not turn on. UPS has not been activated.
Press the Output | On button for one
second, then release.
UPS beeps occasionally. Normal operation. None. UPS is protecting your system.
UPS input breaker trips. Load fault. Check the load.
Disconnect faulty load equipment.
Wait several minutes before resetting
the UPS input breaker.
Restart the load.
Indicator remains
lit, even though line
li
Utility line is out of
specification.
Test wall socket, repair as required.
voltage is present.
UPS input breaker is tripped.
Reduce load, then reset breaker.
UPS does not provide
the expected backup
time
Low battery capacity. Allow battery to charge for 24 hours,
then retest.
t
i
me.
Protected equipment power
requirements exceed UPS
capacity.
Reduce load, then retest.
Communications do not
function properly.
Incorrect communications
cabling.
Verify cable integrity (see page 51).
Incorrect baud rate. Select a new baud rate (see page 50).
Incorrect communication mode. Select a new communication mode
(see Chapter 5).