3. Lamp Test
a. Set the Security switch to the Service position. Press the Select Function key
and
select function 8
(Lamp Test). Then, press the
Start
Function key.
If
all
of
the control panel lights go
on
and
an
8 appears in all
of
the displays, the control panel is
correct. Continue with step 3b.
If
the control panel is
not
correct, go
to
step
6.
If
you
cannot
select
and
start
function
8,
suspect the following
FRUs:
%
FRU
85 Control panel
10
Operator panel cable
5
AIF2
b.
Press the
Start
Function key several times.
If
only the 8
in
the Function display blinks, the control panel is correct. Continue with step
4.
If
the
8s
in
the
Input
displays blink, the control panel is
not
correct. Suspect the following FRUs:
%
FRU
85 Control panel
10
Operator
panel cable
5
AIF2
4. Select Function Key/Input Key Test
a. Press
th~
Select Function key
and
select function 1 (IPL).
If
a 1 appears
in
the Function display
and
O's
appear
in
the
Input
displays, the control panel is
correct. Continue with step 4b.
If
the control panel is
not
correct, go
to
step 4d.
b.
Press
and
hold the Select Function key. Repeat several times.
If
only the
Function
display loops characters 1 through E, the control panel is correct. Continue
with step 4c.
If
the control panel is
not
correct, go to step 4d.
c.
Press the Select Function key
and
select function 1 (IPL). Press
and
hold,
in
sequence, each
of
the
four
input
keys. Repeat several times.
If
only the
Input
display above the
Input
key you press loops characters 0 through
F,
the control
panel is correct.
Go
to step
5.
If
the control panel is
not
correct, continue with step 4d.
d. The control panel is
not
operating correctly. Suspect the following
FRUs:
%
FRU
70 Control panel
25
AIF2
5
Operator
panel cable
5-6
5363
Maintenance Information
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