1.1 Call Flow
The Call Flow diagram illustrates the normal
sequence of events used on each service call.
Figure 1. Call Flow
Service Call Procedures
Repair Analysis Procedures
Spare Parts List
Repair
7033-101
1.2 Initial Actions
Initial Actions are used to gather information
from the operator concerning problems at the
local terminal. Make note of symptoms and
error codes or other information concerning
the problem that the operator may give you.
This information may help you to identify an
intermittent or unusual problem.
1. The operator is available.
Y
N
|
Go to System Checks, Section 1.3.
2. Ask the operator to demonstrate
problem or provide a sample of problem.
The problem can be duplicated.
Y
N
|
Go to System Checks, Section 1.3.
3. The problem is a result of improper
operator action.
Y
N
|
Go to System Checks, Section 1.3.
4. Instruct operator by referring to
procedures in the User Handbook. Then
ensure proper operation of the terminal
by performing System Checks, Section
1.3.
1.3 System Checks
Begin each procedure in a System Check with
step 1. It is important to follow the sequence
outlined in the Off-Line and On-Line System
Checks since each step assumes the previous
steps to be correct. Each step is the normal
operational event of the terminal and can be
confirmed by answering Y (yes) to the
statement. A Y response leads to the next
step. An N (No) response will lead to a RAP in
section 2 or to a component replacement.
Replace the components listed after N in the
order given.
Perform the System Checks to verify repair
after completing each corrective action
(replacing or adjusting a part, reseating a
connector, etc.).
If an error code is displayed, go to section 2.
Find the error code that was displayed, and
follow the corrective action indicated.
If an operator function and error code are
displayed, write down the error code and
perform the operator function. If the
operator function does not resolve the
problem, go to section 2. Locate the error
code in the error code list, and follow the
actions indicated.
If actions performed in section 2 do not
resolve the problem remove option(s) (If
installed) one at a time and re-run the Off-Line
System check. If problem is isolated to an
option proceed to Section 8 and follow the
repair procedures for that option.
If Service Call Procedures do not isolate the
problem, call for assistance.
6/92
1.1, 1.2, 1.3
1-2
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