3745 MAPs
Power MAP 3920: Air Flow Detector Fault
Symptom Explanation
Conditions That Could Cause This Symptom
Air flow detector fault for Fan1 or
Fan2
Fan1 or Fan2
PCC
PS2
Tripped CP3
001
If the problem is intermittent, consider that any of
the conditions given in the above table can cause
the problem.
Panel code 030 indicates Fan1.
Panel codes 031 or 032 indicate Fan2.
Is the code 030 displayed?
Yes No
002
– Disconnect the Fan2 power cable from
the front side of the power supply 2,
(location 01H-J6). Refer to Figure 4-37
on page 4-32.
– Check for the presence of -38 V dc
between pins 1 and 2 of the power supply
2 (PS2) connector J6 while attempting to
power ON the machine.
(Pin 1 ground and pin 2 -38 V.)
J6
J7
1 2
1 2
Is voltage present and within
tolerence
±
10%?
Yes No
003
– Reconnect the Fan2 power cable to
01H-J6.
– Exchange the PS2. Go to “PS2
and Primary Power Box Exchange
Procedure” on page 4-69.
004
– Reconnect the Fan2 power cable to
01H-J6.
– Check cable from 01A-Y0A1 to 01E-J1 for
correct setting. If this cable is correctly
fitted, exchange the FRU group 41 “3745
FRU Group Table” on page 1-49.
005
– Disconnect the Fan1 power cable from the front
side of the power supply 2, (location 01H-J7).
Refer to Figure 4-37 on page 4-32.
(Step 005 continues)
005 (continued)
– Check for the presence of -38V dc between
pins 1 and 2 of the power supply 2 (connector
J7) while attempting to power ON the machine,
(Pin 1 ground and pin 2 -38 V).
J6
J7
1 2
1 2
Is voltage present and within
tolerence
±
10%?
Yes No
006
– Reconnect the Fan1 power cable to
01H-J7.
– Exchange PS2. Go to “PS2 and Primary
Power Box Exchange Procedure” on
page 4-69.
007
– Reconnect the Fan1 power cable to 01H-J7.
– Check the cable from 01A-Y0A1 to 01K-J1 for
correct setting.
If this cable is correctly fitted, exchange the
FRU group 40 “3745 FRU Group Table” on
page 1-49.
Chapter 2. Map for FRU Isolation
2-19
Содержание 3745 130
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Страница 23: ...Safety Figure 0 2 Ground Wire Connection on Controller Expansion Safety xxi ...
Страница 25: ...Safety Figure 0 4 Ground Wire Connection Between Controller Expansions at Less than Six Meters Safety xxiii ...
Страница 36: ...Safety Figure 0 12 Schutzleiteranschluß an der Erweiterung der Steuereinheit xxxiv 3745 Models 130 to 17A MIP ...
Страница 37: ...Safety Figure 0 13 Schutzleiteranschluß zwischen angeschlossenen Erweiterungen der Steuereinheit Safety xxxv ...
Страница 46: ...Safety xliv 3745 Models 130 to 17A MIP ...
Страница 47: ...Safety Safety xlv ...
Страница 48: ...Safety xlvi 3745 Models 130 to 17A MIP ...
Страница 49: ...Safety Safety xlvii ...
Страница 50: ...Safety xlviii 3745 Models 130 to 17A MIP ...
Страница 51: ...Safety Safety xlix ...
Страница 52: ...Safety l 3745 Models 130 to 17A MIP ...
Страница 53: ...Safety Safety li ...
Страница 54: ...Safety lii 3745 Models 130 to 17A MIP ...
Страница 55: ...Safety Safety liii ...
Страница 56: ...Safety liv 3745 Models 130 to 17A MIP ...
Страница 57: ...Safety Safety lv ...
Страница 58: ...Safety lvi 3745 Models 130 to 17A MIP ...
Страница 60: ...Safety Figure 0 22 3745 Label and Power Rating Plate Locations Front lviii 3745 Models 130 to 17A MIP ...
Страница 66: ...Safety lxiv 3745 Models 130 to 17A MIP ...
Страница 68: ...Preface lxvi 3745 Models 130 to 17A MIP ...
Страница 70: ...Amendments lxviii 3745 Models 130 to 17A MIP ...
Страница 154: ...3745 MAPs 1 84 3745 Models 130 to 17A MIP ...
Страница 200: ...Service Processor MAPs 2 46 3745 Models 130 to 17A MIP ...
Страница 226: ...Diagnostics 3 26 3745 Models 130 to 17A MIP ...
Страница 253: ...FRU Exchange Location 01S Figure 4 31 3745 EPO Chapter 4 3745 FRU Exchange 4 27 ...
Страница 332: ...CE leaving procedure 4 106 3745 Models 130 to 17A MIP ...
Страница 338: ...Maintenance Aids A 6 3745 Models 130 to 17A MIP ...
Страница 354: ...Abbreviation X 6 3745 Models 130 to 17A MIP ...
Страница 359: ......
Страница 360: ...IBM Part Number 03F5017 Printed in Denmark by IBM Danmark A S ð3F5ð17 SY33 2ð7ð ð9 ...
Страница 361: ...Spine information IBM Models 130 to 17A IBM 3745 Communication Controller Maintenance Information Procedures ...