3746-900 MAPs
MAP 5130: 3746-900 CP1 Tripped.
Symptom Explanation
Conditions That Could Cause This Symptom
CP1 tripped
-48v missing
¹
Overload on -48v
¹
CP
The entire machine must be available to
perform this procedure.
001
CP1 trips with overcurrent of the 'STANDBY' or
'HOLD UP' voltage distribution or a fan error con-
dition.
Locate in Figure 2-5 on page 2-16 the tripping
CP1 and its corresponding circuit.
– On the service processor, see if there is an
SRC pointing to a fan catastrophic error condi-
tion. To do so:
You should be logged ON on the service
processor console. If not, go to “Console Use
for maintenance” on page 1-1 for logging ON
and return here.
¹
Return to the "MOSS-E View" window and
double click on the 3746-900 icon.
¹
Click on the "Problem Management" option.
¹
Double click on the "Display Alarms" option.
¹
Scan the last alarms to see if you have one
of the following SRCs indicating a FAN
error.
– 05B2 098A
– 05B2 098B
– 05B2 098C
– 05B2 0984
– 05B2 0985
– 05B2 0986
– 05B2 0987
– 05B2 0988
– 05B2 0989
SRC pointing to fan error?
Yes No
002
– Unplug the DCDP connector J5. See
Figure 2-5 on page 2-16.
– Reset CP1.
Is CP1 tripping again?
Yes No
003
Check the fan circuits. (fans 1 and 3).
Refer to YZ page 118.
004
– Reconnect J5,
(Step 004 continues)
004 (continued)
– Remove connector J11 from the DCDP.
– Reset CP1.
Is CP1 tripping again ?
Yes No
005
Exchange the DCDP. Go to
“3746-900 Maintenance Using a FRU
list” on page 1-28.
006
– Reconnect J11.
– Unplug the DCDP connector J4.
– Reset CP1.
Is CP1 tripping again?
Yes No
007
An overload exists on the -48v
HOLDUP.
– Unplug from the basic board the
following cassettes:
– SPS 07G-A1-D, CBSP 07G-A1-F.
– Reconnect J4.
Is CP1 tripping ?
Yes No
008
Reinstall the cards one at a
time to isolate the failing one
and exchange it.
009
The problem is either on the board,
SPD1 card, or cable between DCDP
and SPD1. Go to “3746-900 Mainte-
nance Using a FRU list” on
page 1-28 for FRU exchange.
010
– Remove connector J12 from the DCDP.
– Reset CP1.
Is CP1 tripping again?
Yes No
011
Exchange the DCDP. Go to
“3746-900 Maintenance Using a FRU
list” on page 1-28.
2-14
3746-900: Service Guide
Содержание FlashSystem 900
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Страница 129: ...3746 900 FRU Exchange 010 continued Go to MAP Ready LED ON on page 1 52 Chapter 1 START 1 35...
Страница 246: ...3746 900 Procedures 10 Click on OK in the following window 11 Return where do you come from 1 152 3746 900 Service Guide...
Страница 274: ...3746 900 MAPs 3746 900 48v DC DISTRIBUTION Figure 2 5 48 Volts DC Distribution 2 16 3746 900 Service Guide...
Страница 276: ...3746 900 MAPs Figure 2 6 CP2 Circuit 2 18 3746 900 Service Guide...
Страница 325: ...3746 900 MAPs 026 continued Go to Step 014 on page 2 65 Chapter 2 MAPs for FRU Isolation 2 67...
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Страница 484: ...FRU Exchange Figure 4 16 3746 Model 9x0 CBSP Cassette 4 18 3746 900 Service Guide...
Страница 491: ...FRU Exchange R e a r S i d e Figure 4 21 3746 900 Connectivity Switch and DCDC Chapter 4 3746 900 FRU Exchange 4 25...
Страница 495: ...FRU Exchange Figure 4 23 3746 900 Rear of DC Power Box Chapter 4 3746 900 FRU Exchange 4 29...
Страница 510: ...FRU Exchange Figure 4 39 3746 900 LIC16 Coupler 4 44 3746 900 Service Guide...
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