Maintenance
Npaq® Hardware Manual
Chapter 4: Maintenance
D A N G E R : Always disconnect the Mains power connection before opening the Npaq
chassis.
D A N G E R : Before performing any tests, be aware of lethal voltages inside the controller and
at the input and output power connections. A qualified service technician or electrician should
perform these tests.
D A N G E R : Residual voltages greater than 60V may be present inside Npaq chassis for
longer than 10 seconds after power has been disconnected.
Table 4-1:
LED Indicators
Label
Description
Active (Rear Panel)
Located on Rear Panel of Npaq Drive chassis.
LED indicates controller is active when on.
Active (Amplifier)
Each Amplifier contains an Active LED. Green indicates that Amplifier is
enabled. Red indicates an over-temp or fault condition.
Not labeled (Ethernet
connector, Rear Panel)
The green Ethernet LED indicates that the Npaq is receiving data when it is
on.
The orange / yellow Ethernet LED indicates that the Npaq is transmitting
data when it is on.
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Chapter 4
105
Содержание A3200 Series
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