IBM 5410 Maintenance Manual page 54

Processing unit
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ERROR RECOVERY PROCEDURE
UNITMFCU
Condition
p
STATUS 1/0
H
Requiring
R B
B Att
A
1/0
I
y
I
Lite
L
OPERATOR
Attention
0 T
T
T
RECOVERY
PROGRAM
R E
ID
DESCRIPTION
PROCEDURE
ACTION
Feed
1
1
6
Off
FO
Feed check indicates one or
1.
Open MFCU top covers.
The program determines the
Check
more cards are mispositioned
2.
Check.halt ID for FO or
number of cards that should
or
or jammed in the feed path.
F 1 and perform step a
be in the machine by deter-
orb.
mining how many busy con-
F1
a. If FO, remove card
ditions have not been cleared
from primary (upper)
within the program and
wait station and
adding one for each feed in
place card under
use. All commands not
cards in the primary
complete are reissued. The
hopper.
restart procedure involves
b. If F 1, remove card
dummy operations to re-
from secondary
pcsition the cards as they
(lower) wait station
should have been at the time
and place card under
of the feed check. The pro-
cards in the secondary
gram then reissues commands
hopper.
to complete the operations.
3.
Press CPU start key.* The
display in the message
display unit will change
from FO to F 1 to two
numbers.
4.
Hemove remaining cards
from MFCU transport.
Begin at hopper and work
toward print station. Keep
the cards face down and in
correct sequence by
placing card nearest the
hopper, on top.
Note:
If MFCU indicator
7, 8, 10, or 12 is on, re-
place the card that is be-
tween the punch station
and the corner station
with a blank card if a
blank card was used; use a
prepunched card if a pre-
punched card was used.
5.
Check message display
unit. The left digit indi-
cates the number of cards
that must
be
placed back
in the secondary hopper
(if halt ID is FO) or pri-
mary hopper (if halt I
0
isF1). lfthenumberof
cards you now have in
your hand
equals
this dis-
played number, go to
step 7.
*If the dual program feature is installed, press the halt reset key.
Figure 2-11. (Part 1 of 6) Error Recovery Procedures (MFCU)
2-14 (1/71)

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