User's Manual

Managing Alarms
Page 264 FlexWave Prism Host, Remote and EMS 5.1 System Reference
© 2009 ADC Telecommunications, Inc ADCP-77-073 • Issue 2 • 11/2009
11.5 TROUBLESHOOTING ALARMS
This section lists alarms that can be viewed in EMS alarm summaries.
Table 11-1. EMS Alarm Descriptions and Corrective Actions
Alarm Name Alarm
Severity
Level
Description Action
HostDARTDCSupplyFault
Major The voltage supplied
to the DART board is
too low. (Host DC
Power board accepts
21-60 Vdc and draws
up to 427.28 Watts
per Host.)
Check whether the
Vdc supply is in the
range of 21-60 Vdc.
If persistent (may be
transient on
startup), contact
ADC.
HostDARTDwnCon1SynLockFault
Major Lock state of the
first down converter
synthesizer. Causes
RF mute
When a DART is
being turned up or
after a power reset,
the DART
synthesizers may go
in and out of lock,
which may cause
this fault. Unless
this fault persists,
these transient
faults can be
ignored. If
persistent, consult
ADC, replace DART
HostDARTDwnCon2SynLockFault
Major Lock state of the
second
downconverter
synthesizer. Causes
RF mute
When a DART is
being turned up or
after a power reset,
the DART
synthesizers may go
in and out of lock,
which may cause
this fault. Unless
this fault persists,
these transient
faults can be
ignored. If
persistent, consult
ADC, replace DART