GE L90

7-8 L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
TARGETS MENU CHAPTER 7: COMMANDS AND TARGETS
7
7.2.2.2 Major self-test error messages
The major self-test errors are outlined in this section.
• Latched target message: Yes.
• Description of problem: One or more installed hardware modules is not compatible with the L90 order code.
• How often the test is performed: Module dependent.
• What to do: Contact the factory and supply the failure code noted in the display. The “xxx” text identifies the failed
module (for example, F8L).
• Latched target message: No.
• Description of problem: The number or type of installed hardware modules does not match the order code stored in
the L90.
• How often the test is performed: On power up. Afterwards, the backplane is checked for missing cards every five
seconds.
• What to do: Check all modules against the order code, ensure they are inserted properly, and cycle control power. If a
module has intentionally been added or removed, refresh the order code under Device Setup. If the problem persists,
contact the factory.
• Latched target message: No.
• Description of problem: A FlexLogic equation is incorrect.
• How often the test is performed: The test is event driven, performed whenever FlexLogic equations are modified
.
• What to do: Finish all equation editing and use self tests to debug any errors.
• Latched target message: No.
• Description of problem: The
PRODUCT SETUP  INSTALLATION  RELAY SETTINGS setting indicates the L90 is not
programmed.
• How often the test is performed: On power up and whenever the
PRODUCT SETUP  INSTALLATION  RELAY SETTINGS
setting is altered.
• What to do: Program all settings and then set PRODUCT SETUP  INSTALLATION  RELAY SETTINGS to “Programmed.”
• Latched target message: No.
• Description of problem: Internal recovery failure detected.
• How often the test is performed: Continuous.
• What to do: Extract a Service Report through UR Setup software. Contact technical support and supply details of the
failure code on the display.
INCOMPATIBLE H/W:
Contact Factory (xxx)
EQUIPMENT MISMATCH:
with 2nd line detail
FLEXLOGIC ERROR:
with 2nd line detail
UNIT NOT PROGRAMMED:
Check Settings
DIAGNOSTIC FAILURE___:
Self Test Error
SYSTEM FAILURE___:
with 2nd line detail