Lucent Technologies Lineage 2000 ECS-12U User Manual

Lucent Technologies Lineage
®
2000 ECS-12U Controller J85501E-2
Issue 3 July 1998 Troubleshooting 7 - 9
Figure 7-4: Display Is Not Lit
D. DISPLAY IS NOT LIT
SHEET 1 OF 1
1. ARE ANY CONTROLLER
LEDS LIT?
7. HAVE OFFICE ALARMS
BEEN ISSUED?
8. PROBABLE CAUSE:
CONTROL UNIT HAS
LOST POWER.
GO TO PART B.
9. CHECK SEATING OF
DISPLAY BOARD ON 113
CONTROL UNIT.
10. DOES DISPLAY LIGHT?
11. REPLACE 113B
CONTROL UNIT.
6. REPLACE 113B
CONTROL UNIT.
2. IS MNF ALARM
PRESENT?
3. CHECK FOR BLOWN
FUSES ON FAB
AND REPLACE.
12. DOES DISPLAY LIGHT?
GO TO STEP 1
5. DOES DISPLAY LIGHT?
4. CHECK SEATING OF LCD
DISPLAY MODULE ON
BBK1B DISPLAY BOARD
(PART OF 113B CONTROL
UNIT). DISASSEMBLE
FACEPLATE OF CONTROL
UNIT IF NECESSARY.
END
END
END
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
NO

Lucent Technologies Lineage 2000 ECS-12U Specifications

General

Brand	Lucent Technologies
Model	Lineage 2000 ECS-12U
Category	Controller
Language	English