GE UR series

GE Multilin L60 Line Phase Comparison System 7-5
7 COMMANDS AND TARGETS 7.2 TARGETS
7
c) MINOR SELF-TEST ERROR MESSAGES
Most of the minor self-test errors can be disabled. Refer to the settings in the User-programmable self-tests section in chap-
ter 5 for additional details.
• Latched target message: Yes.
• Description of problem: The battery is not functioning.
• How often the test is performed: The battery is monitored every five seconds. The error message is displayed after 60
seconds if the problem persists
.
• What to do: Replace the battery located in the power supply module (1H or 1L).
• Latched target message: No.
• Description of problem: Direct input and output settings are configured for a ring, but the connection is not in a ring.
• How often the test is performed: Every second
.
• What to do: Check direct input and output configuration and wiring.
• Latched target message: No.
• Description of problem: The L60 has failed to detect the Ethernet switch.
• How often the test is performed: Monitored every five seconds. An error is issued after five consecutive failures
.
• What to do: Check the L60 device and switch IP configuration settings. Check for incorrect UR port (port 7) settings on
the Ethernet switch. Check the power to the switch.
• Latched target message: No.
• Description of problem: The Ethernet connection has failed for the specified port.
• How often the test is performed: Every five seconds.
• What to do: Check the Ethernet port connection on the switch.
• Latched target message: No.
• Description of problem: A bad IRIG-B input signal has been detected.
• How often the test is performed: Monitored whenever an IRIG-B signal is received.
• What to do: Ensure the following:
– The IRIG-B cable is properly connected.
– Proper cable functionality (that is, check for physical damage or perform a continuity test).
– The IRIG-B receiver is functioning.
– Check the input signal level (it may be less than specification).
MAINTENANCE ALERT:
Replace Battery
MAINTENANCE ALERT:
Direct I/O Ring Break
MAINTENANCE ALERT:
ENET MODULE OFFLINE
MAINTENANCE ALERT:
ENET PORT # OFFLINE
MAINTENANCE ALERT:
**Bad IRIG-B Signal**