GE L30 Instruction Manual page 445

7 COMMANDS AND TARGETS
• What to do: Remove the L30 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 L30 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.
AUTHENTICATION FAIL
• Latched target message: No.
• Description of problem: The number of failures threshold was exceeded.
• What to do: Wait for the lockout interval and try to authenticate again.
FIRMWARE LOCK
• Message: "Unauthorized firmware attempt"
• Latched target message: No.
• Description of problem: A firmware upgrade operation was attempted while the lock relay setting was enabled.
• What to do: Ask the Supervisor to unlock the relay and try again.
SETTING LOCK
• Message: "Unauthorized setting write"
• Latched target message: No.
• Description of problem: A setting write was attempted while the lock relay setting was enabled.
• What to do: Ask the Supervisor to unlock the settings and try again.
GE Multilin L30 Line Current Differential System
7.1 COMMANDS
7
7-11