Bull ESCALA 7214, Service Manual

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The following flowchart provides a graphic to be used as a guide to the MAP. For
detailed instructions on how to perform each procedure safely and correctly, refer
to the steps in this chapter.
Flowchart of the MAPs
RLHSV505-0
Step 1
Does the
7214-1U2
power up?
Shut the system down
and power off
Shut the system down
and power off
Step 2
Electrical outlet
OK?
Step 3
Power cable
OK?
Step 8
Are either of the
fans bad?
Step 19
Run AIX
diagnostics
Step 16
External SAS
Cable OK?
Step 17
Internal SAS/DVD
cable OK?
Step 18
Run Configuration
Manager
Step 10
Any visual
problem?
Step 15
Any visual
problem?
Step 11
Power distribution
cable OK?
Remove cover and
prepare unit
Remove cover and
prepare unit
Contact service
personnel and
return to Step 1
Exchange power
cable and return
to Step 1
Fix problem and
return to Step 1
Fix problem and
return to Step 1
Replace FRU/contact
service personnel
yes
yes
Pass
yes
yes
yes
yes
yes
yes
yes
no
no
no
no
no
no
no
no
no
Step 9
Did drive
complete
POST?
yes
no
Fail
Problem fixed
Step 4
Any visual
problem?
Step 6
Power Supply
OK?
Step 5
Power Switch
OK?
Fix problem and
return to Step 1
yes
yes
yes
no
no
no
Replace power
switch and
return to Step 1
Replace power
supply and
return to Step 1
Replace
fans and
return to Step 1
Replace SAS
cable and
return to Step 1
Replace internal
SAS or DVD cable and
return to Step 1
Step 7
LED illuminated?
yes
no
Replace the
VPD cable and
return to Step 1
Proceed to Step 8
Step 13
Drives power
up normal?
Step 12
Drives power
up normal?
yes
yes
no
no
Replace failing
drive and
return to Step 1
Replace electronics
tray assembly and
return to Step 1
Shut the system down
and power off
Step 14
Media
OK?
Remove cover and
prepare unit
no
yes
Replace media
and return to Step 1
Replace power
distribution cable and
return to Step 1
Figure 3. Flowchart of the Maintenance Analysis Procedures (MAPs)
8
7214 Storage Device Enclosure Service Guide