Lucent Technologies SLC 5 Series - Page 165

Power Up: DLP-520 363-205-401
Page 2 of 4 Issue 7, March 1997
2. Verify that each fuse holder on
RCU
faceplate contains an 80G (0.5A) fuse
and that no fuses are blown. (Fuse bead will pop out when fuse is blown.)
3. Are any fuses blown?
If
YES,
then continue with Step
4.
If
NO,
then proceed to Step
6.
4. Use 553A extractor tool (COMCODE 997991575) (Techni-tool No. 594TE170)
or 319B (KS-6305) extractor tool (COMCODE 100753904) (Techni-tool No.
490PL020) to remove blown fuses.
5. Install good 80G (0.5A) fuse in each empty fuse holder.
6. Install
RCU
into
RCU
slot in power shelf.
7. Do any fuses blow on
RCU
?
If
YES,
then continue with Step
8.
If
NO,
then proceed to Step
14.
8. Replace
RCU
. Do any fuses blow on
RCU
?
If
YES,
then continue with Step
9.
If
NO,
then proceed to Step
14.
9. On power shelf on right-hand side, disconnect P140 output connector, then
replace blown fuses on
RCU
.
10. Do any fuses blow on
RCU
?
If
YES,
then proceed to Step
12.
If
NO,
then continue with Step
11.
11. Refer to SD-7C158-01 to check connectors on 80A bulk-power cabinet and
correct wiring problem. Repeat from Step
7.
12. Use SD-7C163-01 to correct wiring problem in power shelf.
13. Reconnect J140 connectors and replace blown fuses on
RCU
. Repeat from
Step
7.
14. Is any indicator lighted on
RCU
?
If
YES,
then continue with Step
15.
If
NO,
then proceed to Step
16.