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GE Power Management
LPS-D Line Protection System
9-
5
9 SERVICING
9.2 TROUBLESHOOTING
9
9.2.5 SERVICING A NON-CRITICAL FAILURE
A non-critical failure indicates an interruption potential in the LPS-D protection, but not a total loss. When a
non-critical failure occurs, the LPS-D non-critical alarm contact closes, but the LED remains green. Turn off the
DC input power, then reapply it. The WARN xxx message reappears if the failure still exists.
The non-critical failure message has the format WARN xxx. The xxx field is the numeric code that indicates
the nature of the failure. The WARN message remains on the display until a key is pressed or until the LPS-D
restarts successfully with no self-test failures. See Section 9.2.7 SERVICE SYSTEM STATUS FAILURES for
the list of Warning codes and their meanings.
As an alternative, the Information Status command can be used to display the warning type
directly on the LCD Display.
9.2.6 LOCATING THE DEFECTIVE BOARD
Use Section 9.2.7: SERVICE SYSTEM STATUS FAILURES or the Information Status command to isolate the
cause of the failure. Power down the LPS-D and replace the suspected board, if appropriate. Reapply power; if
the WARN message is gone, then the unit has been successfully repaired. If the message has changed, it is
possible that another board requires replacement.
9.2.7 SERVICE SYSTEM STATUS FAILURES
A system failure indicates a failure of a power system input or that the relay has been disabled by a user com-
mand. It is indicated by the closing of the non-critical alarm contact, by a red LED, or by the closing of the criti-
cal alarm contact. However, no LCD display is provided until the Information Status command is invoked.
Turn off and reapply the dc input power. The non-critical alarm contact is closed if the failure still exists. Use the
Information Status command to determine the cause of the trouble.
a) FAILURE MESSAGES: 960 CPU BOARD
•
FAIL-FLASH MEMORY
•
FAIL-STATIC RAM
•
FAIL-STATIC RAM CRC
•
FAIL-DPRAM 960 ACCESS
•
FAIL-I960 INTRPT CONTROLLER
•
FAIL-CPU TIMER
•
FAIL-CPU EEPROM
•
FAIL-CPU CAPRAM
•
FAIL-CPU RTC
•
FAIL-CPU WATCHDOG TIMER
•
FAIL-S/W PROT CONSTANTS
•
FAIL-S/W CONFG. LOGIC
•
FAIL-CONFIG S/W VERSION ERROR
•
FAIL-CPU SYSTEM IN RESET
•
FAIL-CPU SYSTEM SHUTDOWN
•
FAIL-DO FEED BACK
•
FAIL-LUI LCD DISPLAY
•
FAIL-IRIGB
•
FAIL-TRIP CKT #1 CONTINUITY ERROR
•
FAIL-TRIP CKT #2 CONTINUITY ERROR
•
FAIL-TRIP CKT #3 CONTINUITY ERROR
•
FAIL-TRIP CKT #4 CONTINUITY ERROR
•
FAIL-TRIP CKT #5 CONTINUITY ERROR*
•
FAIL-TRIP CKT #6 CONTINUITY ERROR*
•
FAIL-CONFIG H/W MISMATCH
•
FAIL-NO DMA INTERRUPT
•
FAIL-RUNTIME SETTINGS AREA
•
FAIL-EEP CONTENTS ERROR
•
STAT-DO DISABLED HARDWARE
NOTE
Содержание LPS-D
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Страница 164: ...3 14 LPS D Line Protection System GE Power Management 3 3 PRINTED CIRCUIT BOARD MODULES 3 HARDWARE DESCRIPTION 3 ...
Страница 226: ...7 4 LPS D Line Protection System GE Power Management 7 1 RATINGS 7 SPECIFICATIONS 7 ...
Страница 284: ...10 20 LPS D Line Protection System GE Power Management 10 8 HELP MENU 10 ALPS TEST PROGRAM 10 ...
Страница 334: ...A 4 LPS D Line Protection System GE Power Management A 1 FREQUENTLY ASKED QUESTIONS APPENDIXA A ...
Страница 412: ...C 34 LPS D Line Protection System GE Power Management C 3 POINT LISTS APPENDIXC C ...
Страница 416: ...D 4 LPS D Line Protection System GE Power Management D 1 KEYPAD MENUS APPENDIXD D ...
Страница 422: ...F 2 LPS D Line Protection System GE Power Management F 1 WARRANTY INFORMATION APPENDIXF F ...
Страница 435: ...GE Power Management LPS D Line Protection System xiii INDEX INDEX tests 6 11 ZONE TIMER functional tests 5 10 ...
Страница 436: ...xiv LPS D Line Protection System GE Power Management INDEX INDEX ...