3746-900 MAPs
MAP 5180: 3746-900 Ready LED Blinking.
Symptom Explanation
Conditions That Could Cause This Symptom
Ready LED blinking.
Machine will not power ON.
¹
ACPW or DCPW
¹
SPD1 or Basic board
¹
SPS
Do not go directly through this MAP. You must
first go through the “MAP 5100: 3746 Model 900
Power Control Subsystem Problems” on page 2-4
or “MAP 5120: 3746-900 Power ON Problem in
Local Mode” on page 2-13.
001
– Check on the test 1 connector pin 24 if DCS2.1
line is at - 5v. Refer to YZ page 234 for test 1
pin assignment.
Is - 5v present on pin 24?
Yes No
002
Is there a backup power (ACPW or
DCPW) installed on your 3746-900?
Yes No
003
Go to Step 008.
004
– Check on the test 1 connector pin 26 if
DCS2.2 line is at - 5v. Refer to YZ page
234 for test 1 pin assignment.
Is - 5v present on pin 26?
Yes No
005
Go to Step 013.
006
Go to Step 018.
007
Go to Step 018.
008
– Check on the test 1 connector pin 9 if the
PWRONCMD1 line is at + 5v. Refer to YZ
page 234 for test 1 pin assignment.
Is + 5v present on pin 9?
Yes No
009
Go to Step 018.
010
Are the power cables correctly plugged into
the J11 and J12 connectors at the rear of
DCDP?
Yes No
011
Plug the cables correctly and restart the
operation.
012
First exchange the DCDP. If the problem persists
exchange the ACPW (basic). Go to “3746-900
Maintenance Using a FRU list” on page 1-28 for
FRU exchange.
013
– Check on the test 1 connector pin 28 if the
PWRONCMD2 line is at + 5v. Refer to YZ
page 234 for test 1 pin assignment.
Is + 5v present on pin 28?
Yes No
014
Go to Step 018.
015
Are the power cables correctly plugged into
the J09 and J10 connectors at the rear of
DCDP?
Yes No
016
Plug the cables correctly and restart the
operation.
017
First exchange the DCDP. If the problem persists
exchange the backup power (ACPW or DCPW).
Go to “3746-900 Maintenance Using a FRU list”
on page 1-28 for FRU exchange.
018
– Check that the cable is correctly plugged into
the J8 connector on SPD1 and into the J7 con-
nector on the DCDP.
(Step 018 continues)
Chapter 2. MAPs for FRU Isolation
2-23
Содержание FlashSystem 900
Страница 1: ...3746 Nways Multiprotocol Controller Model 900 Service Guide SY33 2116 02...
Страница 2: ......
Страница 3: ...3746 Nways Multiprotocol Controller Model 900 Service Guide SY33 2116 02...
Страница 14: ...xii 3746 900 Service Guide...
Страница 16: ...xiv 3746 900 Service Guide...
Страница 22: ...xx 3746 900 Service Guide...
Страница 29: ...Safety Figure 0 3 Ground Wire Connection On Controller Expansion SAFETY xxvii...
Страница 30: ...Safety Figure 0 4 Ground Wire Connection Between Attached Controller Expansions xxviii 3746 900 Service Guide...
Страница 31: ...Safety Figure 0 5 Ground Wire Connection Between Controller Expansions at less than Six Meters SAFETY xxix...
Страница 60: ...Safety lviii 3746 900 Service Guide...
Страница 61: ...Safety SAFETY lix...
Страница 62: ...Safety lx 3746 900 Service Guide...
Страница 63: ...Safety SAFETY lxi...
Страница 64: ...Safety lxii 3746 900 Service Guide...
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Страница 77: ...Safety SAFETY lxxv...
Страница 78: ...Safety lxxvi 3746 900 Service Guide...
Страница 80: ...Safety G F F H E Figure 0 24 3745 Label and Power Rating Plate Locations Front lxxviii 3746 900 Service Guide...
Страница 92: ...Safety xc 3746 900 Service Guide...
Страница 94: ...Safety xcii 3746 900 Service Guide...
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...
Страница 340: ...3746 900 MAPs 113 continued Go to Step 001 on page 2 68 2 82 3746 900 Service Guide...
Страница 414: ...Service Processor MAPs 2 156 3746 900 Service Guide...
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...
Страница 520: ...FRU Exchange Figure 4 45 3746 900 Transformer Handling 4 54 3746 900 Service Guide...
Страница 522: ...FRU Exchange 4 56 3746 900 Service Guide...
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