IBM 3270 Maintenance Manual page 299

3-1700-12
The following appears.
PERFORMING SEEK TEST
PERFORMING WRITE TEST
PERFORMING TRACK ZERO TEST
PERFORMING SURFACE SCAN
PLEASE STAND BY
o -
RUN FIXED DISK TEST
1 - RUN MEASUREMENTS TEST
2 - FORMAT FIXED DISK
9 - EXIT FIXED DISK TESTS
ENTER THE ACTION DESIRED?
DID THE ABOVE APPEAR WITHOUT AN
ERROR CODE?
YES Replace drive D. See Section 5,
"Removal/Replacement and Adjustments"
NO
If the problem persists after replacing
drive D, see page 3-1700-17.
Maintenance Information