GE L30 Instruction Manual page 575
Line current differential system
Hide thumbs
Also See for L30:
- Instruction manual (698 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (667 pages)
Table of Contents
Advertisement
CHAPTER 7: COMMANDS AND TARGETS
•
Latched target message: Yes.
•
Description of problem: Module hardware failure detected.
•
How often the test is performed: Module dependent.
•
What to do: Extract a Service Report through UR Setup software. Contact technical support and supply details of the
failure code on the display.
7.2.2.3 Minor self-test error messages
Most of the minor self-test errors can be disabled. See the settings in the User-programmable Self-tests section in chapter
5.
DIAGNOSTIC ALARM:
with 2nd line detail
•
Latched target message: Yes.
•
Description of problem: Internal process disruption detected.
•
How often the test is performed: Module dependent.
•
What to do: Extract a Service Report through UR Setup software. Contact technical support and supply details of the
failure code on the display.
MAINTENANCE ALERT:
Replace Battery
•
Latched target message: Yes.
•
Description of problem: The battery is weak or not functioning. It powers the real time clock. This message displays as
Battery Fail in the event records. When the battery weakness reaches a critical level, the message displays persistently
on the front panel and no front panel key navigation is possible.
•
How often the test is performed: The battery is monitored every five seconds. The error message displays after 60
seconds if the problem persists
•
What to do: Replace the battery as outlined in the Maintenance chapter.
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.
–
Check the input signal level (it can be less than specification).
If none of these apply, then contact the factory.
L30 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
.
.
TARGETS MENU
7
7-9
Advertisement
Table of Contents
