Maintenance-Object Repair Procedures
555-233-143
8-828 Issue 1 May 2002
Error Log Entries and Test to Clear Values
NOTE:
The loss of -48 volt power prevents detection of an external device alarm.
AC-POWER, CARR-POW, and DC-POWER alarms could indicate the loss
of the external device alarm -48 volt power source. ALARM-PT alarms may
also indicate a loss of power. When analog line ports are administered as
analog line external device alarms loss of -48 volts prevents detection of an
external device alarm.
System Technician-Demanded Tests:
Descriptions and Error Codes
Always investigate tests in the order presented in the table below when inspecting
errors in the system. For example, by clearing error codes associated with the
Battery & External Device Alarm test (#120), you may also clear errors generated
from other tests in the testing sequence.
Error
Type
Aux
Data Associated Test
Alarm
Level
On/Off
Board Test to Clear Value
0 0 Any Any Any test
eda-external-device-alrm
physical location r 2 | 6
1 or 5 Any External Device
Alarm test (#120)
Any OFF test
eda-external-device-alrm
physical location r 2 | 6
Order of Investigation
Short Test
Sequence
Long Test
Sequence D/ND
1
1. D = Destructive; ND = Nondestructive
External Device Alarm test (MAJOR port) (#120) X X ND
External Device Alarm test (MINOR port) (#120) X X ND
External Device Alarm test (WARNING port) (#120) X X ND
To Next Page
Loading...
