Table 6. LED status rear of control enclosure.
Hardware component
LED name and symbol
If power on and no fault is
detected
Expansion canister, rear. The
reference to the top and
bottom locations applies to
canister 1, which is the upper
canister. The LED locations
are inverted for canister 2,
which is the lower canister.
Canister status, top
LED is on.
Fault status, bottom
LED is off.
Power supply unit,
expansion enclosure. The
reference to the left and right
locations applies to power
supply unit 1, which is the
left power supply. The LED
locations are inverted for
power supply unit 2, which
is the right power supply.
Power supply, upper right
LED is on.
Fan failure
LED is off.
dc power failure
LED is off.
ac power failure
LED is off.
Powering on a control enclosure:
1.
Power on the control enclosure, if it is not already powered on and configured.
Use the power switch on each of the two power supply units, located in the
back of the enclosure.
2.
Use Table 7 on page 38 to verify the state of the LEDs on the system. Verify
that no faults are detected.
1
svc00671
1
Figure 40. LEDs on the power supply units of the expansion enclosure
Chapter 2. Performing the hardware installation
37
Содержание 2073-700
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