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1.
Turn the power on by pushing the circuit breaker handle up (see Fig-
ure 5-1).
2.
Go to the front of the cabinet and check that the green power regulator
LED(s) are blinking (see Figure 5-4).
3.
Push the On/Off button. The following should occur (see Figure 5-3):
a. The yellow Fault indicator on the control panel blinks indicating
power sequencing is taking place.
b. The blower turns on.
c. The yellow Fault indicator stays on continuously for a short time
indicating self-test is taking place. Module self-test LEDs light as
described in Section 6.1, and a self-test display appears on the con-
sole terminal as described in Section 6.2. The console prompt ap-
pears at the end of a successful self-test display. The yellow Fault
indicator goes out when all modules pass self-test.
The power supplies have two sets of LEDs that indicate normal conditions,
faults, or battery conditions. When the system is off, plugged in, and the
circuit breaker on, power is present only in the power supply and no LEDs
are lit. When the system is on, the MODULE OK LED should also light
(see Figure 5-4).
Figure 5-4
Power Regulator
Front
+ 48VDC-
CURRENT
SHARE
+ 48VDC-
9 SIGNALS 1
10
2
Powering Up the System 5-7
BX-0448-94
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