OPTI-UPS Gaming Series GS1100B, User Manual, Page: 20 / 22

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5.1 Troubleshooting Chart
Problem Possible Cause Corrective Action
On/Off button is not
pressed long enough. Press the On/Off button
until UPS turns on
No incoming line or very
low or very high line
voltage.
Check the wall socket and
test the input line voltage.
UPS input power cord is
not plugged in.
Plug in input power cord.
UPS does not power up
or always in back up
mode
Rear panel circuit breaker
is tripped. Reduce the load and reset
the circuit breaker.
Battery Fault LED is
flashing rapidly &
continuous audible
alarm.
UPS is overloaded.
Remove the least critical
devices from the load.
Battery Fault LED is on
Battery voltage is too low,
or the battery is dead.
Recharge the battery for
more than 8 hours and
reset the UPS. If the LED
is still lit, replace battery.
Back-up time is less than
the rating. Battery is not fully charged
or the battery is dead.
Recharge the battery for 8
hours and retest the
backup time.
UPS is normal but the
computer won’t turn on.
Computer input power
cord is loose or not
connected.
Reconnect computer input
power cord.
Wrong interface cable.
Purchase the correct one
from your distributor.
Software communication
not working
The serial port of the
computer has not been
configured properly.
Check to see that the
serial port is enabled in the
CMOS settings. Also
check for IRQ conflicts and
make sure the settings
match those of
OPTI-
SAFE Sentinel.
6. USER REPLACEABLE BATTERY
The Batteries inside this UPS should last from between 2 to 3 years. If you
suspect that the batteries are weak, allow the UPS to charge the batteries for
at least 24 hours and then test the backup time. If the UPS still does not
provide adequate backup time, follow the procedures below to replace the
batteries. Please read section 6.1 before performing the procedure in sections
6.2 or 6.3.
6.1 WARNING