GE B30 Instruction Manual page 338

7.2 TARGETS
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.
MAINTENANCE ALERT:
Replace Battery
• 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, 1L, RH, RL, SH, or SL).
MAINTENANCE ALERT:
Direct I/O Ring Break
• 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.
MAINTENANCE ALERT:
**Bad IRIG-B Signal**
• 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.
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– Check the input signal level (it may be less than specification).
If none of these apply, then contact the factory.
MAINTENANCE ALERT:
Port ## Failure
• Latched target message: No.
• Description of problem: An Ethernet connection has failed.
• How often the test is performed: Monitored every five seconds.
• What to do: Check Ethernet connections. Port 1 is the primary port and port 2 is the secondary port.
MAINTENANCE ALERT:
SNTP Failure
• Latched target message: No.
• Description of problem: The SNTP server is not responding.
• How often the test is performed: Every 10 to 60 seconds.
7-6
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B30 Bus Differential System
7 COMMANDS AND TARGETS
GE Multilin