602 Isolating DiskeHe Drive Problems
Symptom
Intermittent diskette drive errors.
Note: Radio frequency interference
(RFI) may cause errors on the
diskette drive when the
5363
cover is removed.
Cannot perform an
IPL from diskette.
6-2
5363
Maintenance Information
Action
Display the Error History Table to
see
if
a
FRU
is identified
by
any SRCs that are shown
see
"360 Getting ERAP
Reports"
on page 3-24.
1.
Power off the
5363.
2.
Remove the covers ("305 Cover Removal"
on
page 3-2).
3.
Reseat the cards and cables in the
5363.
4.
Reinstall the covers.
5.
Power on the
5363.
6.
Perform
an
IPL
of
the
5363
from diskette
61,
select
function
3,
enter 0000.
If
an SRC
is
displayed, exchange the
FRU
indicated.
Run
SYSTEST for
10
minutes to verify the problem
is
fixed.
See
"328 Service Procedures under SSP" on
page
3-10.
Note: Customer problem determination attempts to isolate
problems to the diskette drive or the diskettes being
used.
If
you want to run the diskette tests, enter
TESTDSKT ("328 Service Procedures under SSP" on
page 3-10) on the command line and press the Help
key.
If
you cannot perform
an
IPL from diskette, and no SRCs are
generated, suspect the following:
Missing voltage
Data
storage adapter card
Diskette drive
Diskette cable assembly
Note: Customer problem determination attempts to isolate
problems to the diskette drive
or
the diskettes being
used.
If
you want to run the diskette tests, enter
TESTDSKT ("328 Service Procedures under SSP" on
page 3-10) on the command line and press the Help
key.