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Figure
1-4 (Page 2 of 4). Tape PositioninglServo Reference Codes
A tape speed (0061) or accelerating (0062) error has occurred. Run
test 86. If test 86 fails, exchange FRU 21F7932 and run test 86 again to
verify the repair.
If test 86 did not fail during the start, run test 95. If test 95 fails,
exchange the remaining FRUs as needed, and run test 95 after each
FRU is exchanged to verify the repair.
Ref'
I
PartNumber
Code
Operator
21 F7930
21 F7950
21 F8063
21 F7924
Probable
Cause
Action
\
I
99%
35%
25%
15%
15%
4%
Operator
21 F7930
21 F7950
Tape
21 F8063
21 F7924
The servo is not responding correctly. Run test 95. If test 95 fails,
exchange the FRU and run test 95 again to verify the repair.
The tape unit indicates that there is no tape reel in the unit. If a tape
reel is not on the supply hub, place one on it. If a tape reel is on the
supply hub, remove the reel and place it on the supply hub correctly.
Then load the tape.
If the reference code continues to occur, run test 89. If test 89 fails,
check the supply hub flags; see "Motors and Hubs Removal" on
page 3-78. If the flags are damaged, exchange the supply hub.
70%
20
O / O
5%
The tape reel is not seating correctly. Ensure that the tape reel being
used is not distorted. Correctly place a tape reel on the supply hub
and run test 89. If test 89 fails, check the supply hub flags. See
"Motors and Hubs Removal" on page 3-78. If the flags are damaged,
exchange the supply hub.
If the supply hub is good and the reference code continues to occur,
exchange the remaining FRUs as needed, and run test 89 after each
FRU is exchanged to verify the repair.
If the supply hub is good and the reference code continues to occur,
exchange the remaining FRUs as needed, and run test 89 after each
FRU is exchanged to verify the repair.
The supply hub has failed to engage the tape reel. Check that the
supply hub screw is tight If the reference code continues to occur, run
tests 91 and 92 and observe the supply hub clamp locking and
unlocking operation. If the supply hub clamps do not work correctly,
exchange the FRUs as needed, and run tests 91 and 92 to verify the
repair.
Operator
21 F7930
21 F7950
Tape
21 F8063
21 F7924
-
-
- -
- - - -
The tape unit is detecting a tape reel that is inverted. Remove the tape
reel and place it on the hub correctly. Run test 89. If test 89 fails,
check the supply hub flags; see "Motors and Hubs Removal" on
page 3-78. If the flags are damaged, exchange the supply hub.
If the supply hub is good and the reference code continues to occur,
exchange the remaining FRUs as needed, and run test 89 after each
FRU is exchanged to verify the repair.
Tape
21 F7930
The tape is failing to come off the tape reel. This problem may be
caused by static. Crimp the tape leader. The 9348 Customer Informa-
tion manual contains more information on preparing the tape.
When the tape is correctly crimped, observe the tape loading through
the top cover. If the tape leader is coming off the reel and the refer-
ence code continues to occur, run test 87. If test 87 fai Is, exchange the
FRU and run test 87 again to verify the repair.
Chapter
1.
Analyzing
Problems
1-1 5
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