Operating Instructions
2.2 LOOPING
You can loop
on
selected tests by entering the
LOOP
command
with
the
number
of
times
that
you
want
the tests to loop.
2.3
ERROR HANDLING
The PICDIAG generates three types
of
error
messages: user
input
error, test failure, and system failure.
1.
User
Input
Error
Messages - Displayed in response to
an
invalid user input.
EXAMPLE: When PICDIAG requests the channel
number
of the PIC to
be
tested.
the
expected
response
is
a decimal number between 1 and 15. If your
input
is
different, the following
message
is
displayed:
1<=CHANNEL<=15
The request for a channel number
is
repeated until you
enter
a valid response.
2.
Test Failure
Error
Messages - Displayed when the PICDlAG detects a malfunction of the PIC PCA.
The purpose
of
this type of
error
message
is
(a)
to let. YDU know
that
the PIC under test
is
NOT
functioning correctly, and
(b)
to identify the failure. .
The test failure
error
message has three parts. The first part identifies the step number
that
detects
the error. The second part describes the discrepancy between the actual and expected response to the
test. The
third
part
identifies the probable cause of the error.
EXAMPLE:
Error
in
Step
38:
No
time-out
from
CSRQDIS.
Check U403, U505.
3.
System
Error
Messages
Displayed
when
an
error
is
probably
caused
by
something
other
than
the
PIC
under
test.
EXAMPLE:
SEP 84
2-2
System
in
Step
41:
??????????????????????????????????
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