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Lucent Technologies Lineage
®
2000 ECS-12 Controller J85501D-2
Issue 3 August 1998
Troubleshooting 7 - 11
Figure 7-3.5: Verify Controller Alarms (continued)
C. VERIFY CONTROLLER ALARMS
DLA
SHEET 5 OF 5
37. IS CP2 OR CP3 INSTALLED?
38. IS CP3 INSTALLED?
GO TO STEP 46, BELOW
39. DOES CP3 HAVE AN
ANALOG CHANNEL
ALARM PRESENT?
41. REMOVE CP3
43. IS LED STILL LIT?
44. IS LED STILL LIT?
GO TO STEP 46, BELOW
PROBABLE DEFECTIVE CP3.
REPLACE WITH NEW CP3
AND VERIFY PROPER OPERATION.
PROBABLE DEFECTIVE ALARM GENERATING
CIRCUIT ON CP2. REPLACE WITH NEW CP2
AND VERIFY PROPER OPERATION.
45. CONTROLLER HAS ACCURATELY REPORTED ALARM.
REFER TO PLANT MANUAL TROUBLESHOOTING
SECTION TO CLEAR ALARM CONDITION.
46. PROBABLE DEFECTIVE ALARM SENSING CIRCUIT ON
113B CONTROL UNIT. REPLACE AND GO TO
STEP 1, PART A.
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
42. REMOVE CP2
40. CONTROLLER HAS ACCURATELY
REPORTED ALARM. REFER
TO ECS CONTROLLER OPTIONS
MANUAL TO CLEAR ALARM
CONDITION AND VERIFY
LED EXTINGUISHES.