
Lucent Technologies Lineage
®
2000 ECS-6U Controller J85501E-1
Issue 4 August 1998
Troubleshooting 7 - 7
Figure 7-3.3: Verify Controller Alarms (continued)
20. IS LED STILL LIT?
19. IS CP2 FUNCTIONING?
14. IS CP2 FUNCTIONING?
21. IS CP3 INSTALLED?
23. REMOVE CP3. PRESS AND
RELEASE RESET SWITCH
ON CP2 (SW201)
22. PROBABLE DEFECTIVE CP2
REPLACE WITH NEW CP2 AND
VERIFY PROPER OPERATION
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
NO
NO
NO
YES
YES
YES
YES
24. IS CP2 FUNTIONING?
GO TO STEP 37
GO TO STEP 38
28. IS LED STILL LIT?
25. PROBABLE DEFECTIVE CP3.
REPLACE WITH NEW CP3
AFTER COMPLETING
FLOW CHART AND VERIFY
PROPER OPERATION
26. IS LED STILL ON?
27. REMOVE CP2
18. PRESS AND RELEASE
RESET SWITCH ON
CP2 (SW201)
15. REMOVE CP2
16. IS LED STILL LIT?
IF A
uP
12. IS CP2 INSTALLED?
13. GO TO STEP 46, SHEET 5
IF PROBLEM CONTINUES
TO RE-APPEAR, CP2 IS
DEFECTIVE REPLACE
WITH NEW CP2
GO STEP 45, SHEET 5
17. PROBABLE DEFECTIVE ALARM
GENERATING CIRCUIT ON
CP2. REPLACE WITH NEW
CP2 AND VERIFY PROPER
OPERATION
C. VERIFY CONTROLLER ALARMS
SHEET 3 OF 4