Lucent Technologies SLC 5 Series - Page 285

RT Turn Up: DLP-503 363-205-401
Page 2 of 2 Issue 7, March 1997
9. Press
FAN TEST
button on
FCU
.
Response: Fans should operate while button is pressed.
10. Do fans operate while
FAN TEST
button is pressed?
If
YES,
then
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If
NO,
then continue with Step
11.
11. Does −
48V FAN H
or −
48V FAN L
fuse on
BFU
blow again?
If
YES,
then continue with Step
12.
If
NO,
then proceed to Step
13.
12. Check wiring using SD-7C118-01 or SD-7C118-02 (FTTH). Repeat procedure
from Step
3
after locating and correcting trouble.
13. Replace
FCU
.
14. Press
FAN TEST
button on
FCU
.
Response: Fans should operate while button is pressed.
15. Do fans operate while
FAN TEST
button is pressed?
If
YES,
then
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If
NO,
then continue with Step
16.
16. Replace
FCU
with
FCU
removed previously.
17. Is
FAN ALARM
indicator on fan shelf lighted?
If
YES,
then continue with Step
18.
If
NO,
then proceed to Step
19.
18. Replace fan shelf and repeat from Step
3.
19. Check wiring to fan shelf per SD-7C118-01 or SD-7C118-02 (FTTH). Repeat
procedure from Step
3
after locating and correcting trouble.