APC Smart-UPS SUA750RMI2U Инструкция по эксплуатации онлайн [15/19] 212228
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APC Smart-UPS SUA750RMI2U Инструкция по эксплуатации онлайн [15/19] 212228

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APC Smart-UPS SUA750RMI2U Инструкция по эксплуатации онлайн [15/19] 212228
12
P
ROBLEM AND
P
OSSIBLE
C
AUSE
S
OLUTION
T
HERE IS NO
U
TILITY POWER AND THE
UPS
HAS BEEN TURNED OFF
120V/230V Models: When the
UPS is off and there is no utility
power, use the cold start feature to
apply power to the connected
equipment from the UPS battery.
Cold start is not a normal
condition.
Press and hold the button, (for about 3 seconds). The unit will
beep, the LED lights will flash, and the unit will beep a second time.
Release the ON button during the second beep. This will supply
immediate power to the UPS and the connected equipment. Make sure
connected equipment is switched to ON.
UPS
OPERATES ON BATTERY ALTHOUGH NORMAL LINE VOLTAGE EXISTS
UPS input circuit breaker tripped. Reduce the load on the UPS by unplugging equipment and resetting the
circuit breaker (on the back of UPS) by pressing the plunger in.
Very high, low, or distorted line
voltage. Inexpensive fuel powered
generators can distort the voltage.
Move the UPS to a different outlet on a different circuit. Test the input
voltage with the utility voltage display (see below). If acceptable to the
connected equipment, reduce the UPS sensitivity.
B
ATTERY
C
HARGE AND
B
ATTERY
L
OAD
LED
S FLASH SIMULTANEOUSLY
The internal temperature of the
UPS has exceeded the allowable
threshold for safe operation.
Check that the room temperature is within the specified limits for
operation.
Check that the UPS is properly installed allowing for adequate
ventilation.
Allow the UPS to cool down. Restart the UPS. If the problem continues
contact APC by Schneider Electric at, www.apc.com/supoport
.
D
IAGNOSTIC
U
TILITY
V
OLTAGE
F
EATURE
Utility Voltage
The UPS has a diagnostic feature that displays the utility voltage. Plug
the UPS into the normal utility power.
Press and hold the button to view the utility voltage bar graph
display. After a few seconds the five-LED, Battery Charge, , dis-
play on the right of the front panel shows the utility input voltage.
Refer to the figure at left for the voltage reading (values are not listed on
the UPS).
The display indicates the voltage is between the displayed value on the
list and the next higher value.
Three LEDs light, indicating utility voltage within the normal range.
If no LEDs are lit and the UPS is plugged into a working utility power
outlet, the line voltage is extremely low.
If all five LEDs are lit, the line voltage is extremely high and should be
checked by an electrician.
The UPS starts a self-test as part of this procedure. The self-test does not affect the voltage display.

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