IBM System/36 Maintenance Information Manual page 84

6.
Lamp Test Failed
a. Find the lamp test failure in the table below and go to the indicated step.
Go
to
Lamp Test Failure Step
Blank panel (power on only). 6b
8 is in the Function display 6b
only.
One or more Input displays 6c
do not show an 8.
One or more of the Console, 6b
Program, and Processor
lights are not on.
The failure is not in this list.
6c
b. Suspect the following FRUs:
%
FRU
75
AIF2
20 Control panel
5
Operator panel cable
c. Suspect the following FRUs:
% FRU
80
Control panel
15 Operator panel cable
5
AIF2
5-8
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