10.
Perform Steps 11 through 14 for each of the units listed in the following illustration.
ILLUSTRATION
POWER UNIT
CABINET/FRAME LOCATION
495FA - A
064 - 002
495FA - B
064 - 003
495FA - D
056 - 003
495FA - G
038 - 005
495FA - F
047 - 004 (Growth unit may not be equipped.)
11.
Unlatch and unseat power unit.
12.
Verify the following responses.
Response:
ALM
and
OFF
LEDs are lighted on unit power switch.
Major audible alarm is indicated at master control center (MCC) terminal.
REPT FAULT
or
REPT POWER DOWN
or
REPT UNAVAILABLE
message received.
13.
Relatch power unit unseated in Step 11.
14.
Have all power units listed in the illustration in Step 10 been tested?
If
YES
, continue with the next step.
If
NO
, repeat from Step 10 for next power unit.
15.
At selected CU power switch, operate
ON
switch.
Response:
REPT POWER UP
or
REPT OUT OF SERVICE
or
REPT FAULT CLEARED
message
received.
Unit label indicates
OOS
or
OOS MAN
.
OOS
LED lighted on selected CU power switch.
16.
At selected processor bay, replace fuse
F4A
with tripped fuse.
17.
Verify the following responses.
Response:
Minor audible alarm.
FAN A
LED lighted.
REPT SINGLE FAN FAILURE
message printed.
18.
Replace fuse
F3A
with tripped fuse.
19.
Verify the following responses.
Response:
Major audible alarm.
FAN B
LED lighted.
REPT MULTIPLE FAN FAILURE
message received.
20.
Replace both tripped fuses with good fuses.
21.
At cooling unit, depress
ON/RESET
switch.
22.
Is
REPT MULTIPLE FAN ALARM CLEARED
message received, and are
FAN A
and
B
LEDs off?
235-105-210
October 1999
Copyright © 1999
Page 2
Summary of Contents for 5ESS-2000
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Page 799: ...Figure 11 36 3 1 Cleaning Points 235 105 210 October 1999 Copyright 1999 Page 7 ...
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Page 999: ...2 STOP YOU HAVE COMPLETED THIS PROCEDURE 235 105 210 October 1999 Copyright 1999 Page 13 ...
Page 1008: ...Figure 11 55 1 CTSNS DIP Switch Settings 235 105 210 October 1999 Copyright 1999 Page 2 ...
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Page 1289: ...Figure 15 17 2 AMATPS Data Link 235 105 210 October 1999 Copyright 1999 Page 2 ...
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Page 1303: ...9 STOP YOU HAVE COMPLETED THIS PROCEDURE 235 105 210 October 1999 Copyright 1999 Page 2 ...
Page 1360: ...Figure 15 47 2 Typical SCANS III Link Diagram 235 105 210 October 1999 Copyright 1999 Page 2 ...
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Page 1421: ...Table 1 1 O M Checklist 235 105 210 October 1999 Copyright 1999 Page 3 ...