Operation Manual

15Smart-UPS 750-3000 VA 100/120/208/230 Vac Rack-Mount
• CL2R: Riser cable for use in a vertical run in a floor-to-floor shaft.
• CLEX: Limited use cable for use in dwellings and for use in raceways.
• Installation in Canada: Use only CSA certified, type ELC, (extra low voltage control cable).
• Installation in countries other than Canada and the USA: Use standard low voltage cable in
accordance with national and local regulations.
Troubleshooting
Problem and Possible Cause Solution
The UPS will not turn on or there is no output.
The unit has not been turned on. Press the ON key once to turn on the UPS.
The UPS is not connected to utility
power.
Be sure the power cable is securely connected to the unit and to the utility
power supply.
The input circuit breaker has tripped. Reduce the load on the UPS. Disconnect nonessential equipment and reset the
circuit breaker.
The unit shows very low or no input
utility voltage.
Check the utility power supply to the UPS by plugging in a table lamp. If the
light is very dim, check the utility voltage.
The battery connector plug is not
securely connected.
Be sure that all battery connections are secure.
The UPS has detected an internal fault. Do not attempt to use the UPS. Unplug the UPS and have it serviced
immediately.
The UPS is operating on battery, while connected to input utility power.
The input circuit breaker has tripped. Disconnect nonessential equipment and reset the circuit breaker.
There is very high, very low, or
distorted input line voltage.
Move the UPS to a different outlet on a different circuit. Test the input voltage
with the utility voltage display. If acceptable to the connected equipment,
reduce the UPS sensitivity.
UPS is emitting an audible beeping sound.
The UPS is operating normally. None. The UPS is protecting the connected equipment.