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61200266L1-1 ATLAS 810
PLUS
User Manual B-1
Appendix B
Troubleshooting
Power-up Self Test Fails
Modules seated improperly, module failure
Remove all modules and cycle power to the unit. If self test still fails, call
Technical Support and report the results. If the self test now passes, re-in-
sert modules one at a time, running the self test after installing each mod-
ule. When an installed module causes the self test to fail, note it and report
results to tech support.
System Timing Source Unlocked
(Displayed on Terminal Interface, “System Status”)
Selected Timing Source is not present or clock is out of toler-
ance
• Verify that system timing is correctly configured for the desired clock.
• Verify that the interface cable to clock source is present.
• Temporarily configure the system to operate off of internal timing.
Verify that the system can lock to this clock.
Cannot establish Telnet session with ATLAS
Max Telnet sessions set to 0, IP address of ATLAS does not
match remote host IP address
• Verify that the Ethernet connection is in place, check IP addresses pro-
grammed in ATLAS and in the Telnet client, verify that session time-
out value is not set too low.
• Check for ethernet port activity on the front panel. Make sure the link
is up, and data is being transmitted and received.