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10.0 TROUBLESHOOTING
NOTE
THE OPERATIONS OUTLINED IN THIS CHAPTER ARE TO BE
PERFORMED BY QUALIFIED MAINTENANCE PERSONNEL
ONLY!
CAUTION
DO NOT DISCONNECT CPU OR OTHER DIGITAL
CARDS WHILE UNDER POWER.
10.1 Overview
The Model 300 has been designed to rapidly detect possible problems and allow their
quick evaluation and repair. During operation, the analyzer continuously performs
self-check diagnostics and provides the ability to monitor the key operating parameters of
the instrument without disturbing monitoring operations. These capabilities will usually
allow the quick isolation and resolution of a problem.
A systematic approach to troubleshooting will generally consist of the following four
steps, performed in order:
1. Confirm the proper operation of Fundamental Instrument sub-systems
(Power Supplies, CPU, Display).
2. Note any warning messages and take corrective action as required.
3. Examine the values of all TEST functions and compare to Factory values.
Note any major deviations from the factory values and take correction
action as required;
4. Address any Dynamic (Sample related) problems.
The following sections provide a guide for performing each of these steps. Figure 1.6 in
this manual shows the general layout of components and sub-assemblies in the analyzer
and can be referenced in performing the checks described in the following sections.
P/N 02163G1 Teledyne API Model 300 CO Analyzer Instruction Manual - Page 83