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8. Troubleshooting
Problem
UPS does not turn on.
There is no power to
the computer load.
Battery Online indicator
remains on, even though
line voltage is present.
UPS beeps occasionally.
UPS does not provide
the expected backup time.
Overload indicator flashes.
Battery Fault indicator is lit.
Possible cause
UPS is not plugged in.
Wall socket is dead.
UPS has not been activated.
Confirm that the UPS is on.
Output circuit breaker is
tripped.
Load plugs are not seated
properly.
Utility line is out of
specification.
UPS is on battery.
Battery capacity is low.
Protected equipment power
requirements exceed UPS
capacity.
Protected equipment power
requirements exceed UPS
capacity.
Battery is weak or charger is
faulty.
Required User Action
Plug UPS into a working outlet.
Test wall socket, repair as required.
Press Output ON (1) button for
one second, then release.
See above.
Disconnect load and check. If
okay, reset circuit breaker.
Remove and reseat plugs.
Test wall socket, repair as
required.
None - UPS is protecting your
system.
Allow battery to charge for 24
hours, then retest.
Reduce load, then retest.
Reduce the load.
Make sure battery is connected.
If battery is properly connected,
allow the battery to charge for 24
hours. Retest. Have batteries
replaced if condition persists.
Make sure battery charger is
plugged into a functioning outlet.
8—1
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