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190 TimeSource 3100
Troubleshooting
097-72020-01 Issue 9: November 2003
Troubleshooting with Error Messages
Use the information in Table M to troubleshoot the system based on the condition
description (conddescr) parameter in a message.
Note: If only the character “C” is displayed on the terminal every few seconds, the
TimeSource 3100 system has restarted with corrupt software. Download and install the
system software again, using the procedure in the Software Release Document that came
with the software.
Table M. Message Troubleshooting
Message Meaning Recommended Action
CRITICAL ALARMS
HARDWARE
FAULT
A failure has been detected on
the shelf hardware.
Replace the plug-in card.
MAJOR ALARMS
HOLDOVER All inputs (GPS signal, span
inputs, and remote oscillator
inputs) are lost or unacceptable,
and the system is now using the
internal oscillator.
Troubleshoot the GPS, SPAN x, and RO x
error messages (check the cable, source,
etc.)
MINOR ALARMS
BATTERY x FAIL The specified –48 V battery
input has failed.
Troubleshoot, and repair, the specified
–48 V battery input.
DEVICE
DOWNLOAD
REQUIRED
The hardware device software is
corrupt or missing.
Download and install the appropriate
hardware device (DEV) software, using
the procedure in the Software Release
Document that came with the software.
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