OPTI-UPS ES1500C - Manual (Page 24)

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4.3 Environmental Specifications:
Operating Storage and Shipment
Temperature 0 ~ 40°C (32° ~ 104°F) -20° ~ +60°C (-4° ~ +140°F)
Humidity 0 ~ 95% (non-condensing) 0 ~ 95% (non-condensing)
Altitude 3,000 m (10,000 ft) (Max.) 12,000 m (40,000 ft) (Max.)
5. TROUBLESHOOTING
The TROUBLESHOOTING CHART on the next page covers most of the
difficulties that you may encounter under normal working conditions. If the UPS
fails to operate properly, please review the following steps before calling the
repair center:
1. Is the UPS plugged into a proper working outlet?
2. Is the line voltage within the rating specified?
3. Does the circuit breaker on the rear panel need to be reset?
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 4 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 6 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.
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 Xtreme.
Software
communication not
working
The I/O card is defective Replace I/O card.