Using The Built-In-Test (Bit) Fault Diagnostics - Emerson Rosemount CT5800 Manual

Troubleshooting and diagnostics
September 2019
WARNING
BURNS
Some parts of the analyzer may be heated to 150 °F (65 °C). Failure to allow sufficient
cooling may cause serious burn injury to personnel.
Do not touch any part of the analyzer.
Assume all parts of the analyzer are hot unless it has been switched off and allowed to
cool down.
Always wear proper protective equipment when handling the analyzer.
Switch off the analyzer and allow it to cool for at least two hours before fitting,
removing, or performing any maintenance.
The analysis cell is insulated against heat loss. Allow the analyzer to cool for at least 12
hours before performing any maintenance on, or in the vicinity of, the analysis cell.
If burns occur, seek immediate medical treatment.
WARNING
HAZARDOUS SUBSTANCES
Gas handling components within the analyzer will contain particulate matter residue from
the sample gases. Over the life of the analyzer, the concentration of the particulate matter
will become enriched within the gas handling components.
When performing repairs or maintenance on the analyzer:
Handle used gas handling components with extreme caution.
Avoid direct skin contact with used gas handling components.
Do not smoke, drink, or eat in the work area.
Wear goggles or eye shields.
Wear a suitable face mask to protect against inhalation of particulate matter.
Do not wet fingers, eyes, or any exposed skin.
Pack used gas handling components for disposal in sealed packaging and label them
Contaminated.
Dispose of contaminated items as hazardous material according to the applicable local,
national, or international health and safety regulations and pollution regulations.
7.2

Using the Built-in-Test (BIT) fault diagnostics

The analyzer has a limited BIT diagnostics function.
Prerequisites
The BIT function can be used to perform failure diagnosis of some functions in situations
where there is a fault other than a complete failure of the equipment. Use the display
controller mounted on the front panel to access and control the BIT.
Procedure
1. You can see the STATUS information from either the Gas Sensor Main screen (see
94
7-1) or the Pressure and Temperature screen (see
Figure
Reference Manual
00809-0100-5800
Figure 7-2)
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