IBM FlashSystem 900, Service Manual

Page: 429 / 546

Service Processor MAPs
How to Run the 3746-900 Control Panel Test
This test can be run without stopping the custom-
er's application.
It is not a sequential test and can be cancelled at
any time by pressing the 'Exit' key.
Notes:
1. Any inactivity lasting about 60 seconds during
the control panel test results in the test being
automatically cancelled. The panel returns to
operational mode.
2. During this test the control panel's audible
alarm sounds for each action.
'special character': Can be described as when
every possible segment of the window is lit.
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1. Set power to local:
a. Press the 'Power Control' key until '3' is
displayed in the power control window.
b. Press the 'Validate' key.
If the above action cannot be performed,
go to step 11.
2. Set service mode to maintenance.
a. Press the 'Service mode' key until the
number '1' is displayed in the service
window.
b. Press the 'Validate' key.
If the above action cannot be performed
go to step 11.
3. Set 'Function' to panel test:
a. Press the 'Function' key until '5' is dis-
played in the function window.
b. Press the 'Validate' key.
If the above action cannot be performed
go to step 11.
On the display, All 10 'special character' is dis-
played.
If the pattern is not identical for each of the 10
special characters, go to step 11.
Note: If the panel test code detects an error
the SRC is stacked but not displayed on the
panel. Therefore, if the link with the service
processor is operational, the SRC will be sent
to the MOSS-E.
4. Press the 'Function' key.
On the display, the 'Function' window 'special
character' will be displayed. Repetitive action
will scroll through the 'Function' and 'Code'
windows sequentially and wrap around.
If this does not occur, go to step 11.
5. Press the 'Service mode' key.
On the display, the 'Service mode' window
'special character' is displayed. Repetitive
action will scroll through the 'Service mode'
and 'Power Control' windows and wrap
around.
If this does not occur, go to step 11.
6. Press the 'Power Control' key.
On the display, the 'Service processor not
accessible' window 'special character' is dis-
played. Repetitive action will scroll through
the 'All channels disabled' 'Service processor
not accessible' windows sequentially and wrap
around.
If this does not occur, go to step 11.
7. Press the 'Start' key.
On the display, '8' is displayed in the 'Func-
tion' window, and the ready or standby LEDs
will light if not already ON. (ready and
standby LEDs can not be ON at the same
time).
If this does not occur, go to step 11.
8. Press the 'Standby' key.
The display is completely blank.
If this does not occur, go to step 11.
9. Press the 'Exit' key.
On the display, the 'Power Control' (3) and
'Service Mode' (1) are displayed indicating that
the test is complete, and that the control panel
has returned to operational mode.
If this does not occur, go to step 11.
10. The control panel test is complete. No
error has been detected. Ignore step 11
11. Go to “MAP 2620: 3746-900 Control Panel
Problem” on page 2-43.
Chapter 3. How to Run Diagnostics
3-15