Humphrey Field Analyzer II - i
Troubleshooting
Confidential and Proprietary
52235C1105
5 - 7
Field Service Guide
5.3
A Guide to
HFA II - i
Service Diagnostic Aids
The
HFA II - i
is equipped with several types of service diagnostic aids. These diagnostic
aids are summarized below and detailed elsewhere within this manual.
#
Printouts and Identifiers
System Log -
The System Log is a function in the software that keeps track of events that
happen within the
HFA II - i
system. It may also prove invaluable to diagnosing intermittent
problems, or symptoms that seem to worsen over time. Refer to Appendix J for more
information on the System log.
Cal / Wedge Printout -
The Cal / Wedge printout displays the state of calibration that the
HFA II - i
is in. More information on the Cal/Wedge printout can be found in Appendix H
Software Module Identifiers -
Provides a list of three letter abbreviations that can appear
on-screen or in the instrument system log. Use the list to help identify the error source and
its possible solution. (Section 5.4)
#
Manual and Power-on Tests
Motor Exerciser and QA Test Points -
Describes the various exerciser and QA tests that
can be executed. (Section 5.5)
Printer Self Test -
Provides descriptions of the Printrex error conditions, and how to
perform a printer self test. (Section 5.6)
Power - On Self Tests -
Describes the sequence of events that the motor driver board
initiates during the instrument power on phase. (Section 5.7)
#
Error Messages
Startup State Errors -
Provides a list of possible Startup State Errors that may appear on-
screen or in the system log. The motor driver board generates these errors during the
instrument power on phase. Use the list to help identify the error source and its possible
solution. (Section 5.8)
Hexadecimal Error Codes -
Provides a table of hexadecimal errors that may appear on-
screen or in the system log. Used properly, they can be valuable tools for fault isolation.
The
HFA II - i
can generate thousands of error codes. To better manage this overwhelming
amount of information, you will find only the error code number ranges detailed in Section
5.9.
Common Errors -
Provides a table of the most common error messages and their solutions.
(Section 5.10)
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