CHAPTER 14: TESTING SELF-TESTS
D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL 621
AC SLOT F NOT CALIBRATED
AC SLOT J NOT CALIBRATED
Description: The AC module in the indicated slot is not properly calibrated.
Severity: Device is temporarily out-of-service.
If either message appears, reset the alarm. If the alarm recurs, contact GE Digital Energy.
AC SLOT F TROUBLE
AC SLOT J TROUBLE
Description: The AC module in the indicated slot is not operational.
Severity: Device is temporarily out-of-service.
If either message appears, reset the alarm. If the alarm recurs, contact GE Digital Energy.
AUTOMATION LOGIC ERROR
Description: There is an error within an automation logic equation.
Severity: Protection is not available, and relay is not operational.
If this message appears, modify the automation logic to make it valid and reload.
CPU CARD TROUBLE
Description: The CPU module in the indicated slot is not operational.
Severity: Device is temporarily out-of-service
If this message appears, reset the alarm. If the alarm recurs, contact GE Digital Energy.
EXTERNAL IO 1 COMMUNICATIONS FAILURE
EXTERNAL IO 2 COMMUNICATIONS FAILURE
Description: A communications error has been encountered on the external input/output
device.
Severity: Protection is not available.
If this message appears, check all external input/output modules against the order code.
Ensure that they are connected properly, then recycle power.
EXTERNAL IO 1 EQUIPMENT MISMATCH
EXTERNAL IO 2 EQUIPMENT MISMATCH
Description: The configuration of external input/output equipment does not match the
order code stored in the CPU.
Severity: Protection is not available.
If this message appears, check all external input/output modules against the order code.
Ensure that they are connected properly, then recycle power.
EQUIPMENT MISMATCH
Description: The configuration of modules does not match the order code stored in the
CPU.
Severity: Protection is not available.
If this message appears, check all modules against the order code. Ensure that they are
inserted properly, then recycle power.
IO SLOT E FIRMWARE MISMATCH
IO SLOT F FIRMWARE MISMATCH
IO SLOT G FIRMWARE MISMATCH
IO SLOT H FIRMWARE MISMATCH
IO SLOT J FIRMWARE MISMATCH
IO SLOT K FIRMWARE MISMATCH
Description: There a firmware mismatch between the input/output card in the indicated
slot and the CPU.
Severity: Protection is not available, and relay is not operational.
If any of these messages appear, contact GE Digital Energy.
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