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11. TROUBLESHOOTING AND SERVICE

This section describes a variety of methods for identifying the source of
performance problems with the analyzer. Also included here are procedures that
are used to repair the instrument.

HAZARD

STRONG OXIDIZER
OXYGEN IS A STRONG OXIDIZER.
Before working with the casing open, be sure to turn off power supply, and perform
air or N2 gas purging of not only the analyzer inside, but also the sample gas line.
In addition, carefully prevent oil and grease from adhering to any piping. Otherwise,
poisoning, fire or explosion may be caused due to gas leakage, etc.

NOTE

QUALIFIED PERSONNEL

The operations outlined in this Section must be performed by qualified maintenance
personnel only.

CAUTION

RISK OF ELECTRICAL SHOCK

Some operations need to be carried out with the instrument open and running.
Exercise caution to avoid electrical shocks and electrostatic or mechanical damage to
the analyzer.
Do not drop tools into the analyzer or leave them after your procedures.
Do not shorten or touch electric connections with metallic tools while operating
inside the analyzer.
Use common sense when operating inside a running analyzer.

11.1. GENERAL TROUBLESHOOTING

The T803 CO2/O2 analyzer has been designed so that problems can be rapidly
detected, evaluated and repaired. During operation, it continuously performs
diagnostic tests and provides the ability to evaluate its key operating parameters
without disturbing monitoring operations.
A systematic approach to troubleshooting will generally consist of the following
five steps:
07276B DCN6418