
52 Alarm Subsystem (8722)
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 | Action: The system administrator must check the status of the APTIO port | 
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 | according to NTP  | 
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 | port, the operation of the LIU must be checked. It must also be determined | 
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 | if the cabling from the DNC to the LIU is intact. | 
| 0005/0002 | Message: The alarm subsystem has recovered communication with the | 
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 | APTIO port. APTIO port <string>. | 
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 | Explanation: The alarm subsystem was able to reconnect with the APTIO | 
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 | port and is now functioning properly. The link between the alarm subsystem | 
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 | and the alarm box has been restored and is functioning normally. | 
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 | Action: No action required by the user. | 
| 0020/0000 | Message: Unable to access disk "LOCAL". | 
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 | Explanation: This log indicates that a communication error has occurred to | 
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 | the local system disk. Call processing will not be interrupted. Locality calls | 
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 | will be handled according to parameter LOC_DEFAULT_PROMPT in the | 
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 | user interaction table. | 
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 | Action: If the problem persists, retain all of the information regarding the | 
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 | problem and contact your NT representative. | 
| 0020/0001 | Message: I/O Error  | 
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 | The new alarm subsystem history file was created successfully. | 
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 | Explanation: The alarm subsystem has recovered from the error situation by | 
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 | creating a new history file and starting fresh. The original history file was | 
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 | renamed from ALARMHIST to ALARMHIST.YY_MM_DD. | 
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 | Action: No action required by the user. | 
| 0020/0002 | Message: Unrecoverable I/O Error  | 
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 | Action may be required by the system administrator. | 
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 | Explanation: The alarm subsystem could not recover from the error | 
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 | situation by creating a new history file and starting fresh. | 
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 | Action: A system administrator with superuser authority must remove the | 
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 | current alarm history file :LOCAL:PRU:LOGS:HISTORY:ALARMHIST and | 
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 | then reload the alarm subsystem PRU. | 
| 0020/0003 | Message: The alarm subsystem disk task was unable to find its initialization | 
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 | file: :LOCAL:PRU:LOGS:AL:ALINIT.TEXT. Default values have been | 
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 | supplied. | 
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 | Explanation: The alarm system's initialization file is probably missing from | 
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 | the system. The alarm subsystem initializes itself using available default | 
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 | values. | 
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 | Action: A system administrator with superuser authority must check the load | 
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 | tape for the presence of the initialization file and replace this file if | 
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 | necessary. | 
| 0020/0004 | Message: The Current Alarm Service history file is larger than that specified | 
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 | in the initialization file ':LOCAL:PRU:LOGS:AL:ALINIT'. A new alarm | 
subsystem history file was created successfully.
Explanation: The alarm subsystem has created a new history file and is starting fresh. The original history file was renamed from ALARMHIST to ALARMHIST.YY_MM_DD.
Action: No action required by the user.
