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Fault-Bus Error Alert
UPS Power
POWER
Failure Detected
BUSY
ATTEN
When the Fault-bus function is enabled and a failure signal is
detected, an alert message will be shown on the LCD. The ATTEN
LED will also light at the same time.
The Fault-Bus signals are collected from the enclosure.
The controller itself does not detect the temperature,
fan rotation or the power supply voltage.
UPS Power Failure
Detected
Power Supply Failure
Detected
Cooling Fan Failure
Detected
Elevated
Temperature Alert
Chapter 12 Fault-Bus
ESC
ENT
The input signal from the UPS has been
triggered.
The input signal from the power supply
has been triggered.
The input signal from the cooling fan has
been triggered.
The input signal from the temperature
sensor in the enclosure has changed.
237
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