GE G30 Instruction Manual page 580
Generator protection system 7.6x
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Also See for G30:
- Instruction manual (698 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (652 pages)
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TARGETS MENU
•
Description of problem: The ambient temperature is greater than the maximum operating temperature (+80°C).
•
How often the test is performed: Every hour.
•
What to do: Remove the G30 from service and install in a location that meets operating temperature standards.
UNEXPECTED RESTART:
Press "RESET" key
•
Latched target message: Yes.
•
Description of problem: Abnormal restart from modules being removed or inserted while the G30 is powered-up, when
there is an abnormal DC supply, or as a result of internal relay failure.
•
How often the test is performed: Event driven.
•
What to do: Contact the factory.
FIRST ETHERNET FAIL
SECOND ETHERNET FAIL
THIRD ETHERNET FAIL
•
Latched target message: Yes.
•
Description of problem: A link loss detection on an Ethernet port. The link loss is due to unplugging the cable or the
switch port being down.
•
How often the test is performed:
•
What to do: Check the connection.
WRONG TRANSCEIVER
•
Latched target message: Yes.
•
Description of problem: The type of SFP does not match the CPU type. The SFP is a silver device that plugs into the rear
of the CPU module.
T-type CPU = All ports support fiber SFPs only
7
U-type CPU = Maintenance port needs RJ45 SFP and the other two ports fiber SFPs
V-type CPU = All ports support RJ45 SFPs only
The consequence of an incorrect SFP can range from damage to the G30 to no power information for the G30 on its
web page (enter IP address in a web browser, then click the SFP Transceiver Information — only the type of SFP
displays and not power data).
•
What to do: A web page "SFP Transceiver Information" is provided. This page displays the type of the SFP in it. This data
is to be used with the CPU type to know the cause of the problem.
SFP MODULE x FAIL
•
Latched target message: No.
•
Description of problem: A faulty small form-factor pluggable port (SFP) or unplugging of the SFP generates this self test
message.
•
What to do: The web page "SFP Transceiver Information" described in the previous section applies for this self test as
well. The "SFP Module Fail" has higher priority and it suppresses the "Ethernet Fail" target message. The "SFP MODULE
FAIL FUNCTION" setting enables/disables this self test. The target for this self test is priority-based, with the third one
7-10
CHAPTER 7: COMMANDS AND TARGETS
G30 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
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