Hardware Installation and Maintenance Manual B–1
Appendix B: Maintenance &
Troubleshooting
This section presents recommendations and solutions to common problems
including gas leaks, excessive sampling gas temperatures and pressures,
electrical noise, and contamination. For any issues related to the sample
conditioning system (SCS), please refer to the SCS Manual.
Contact Service if your analyzer is demonstrating other issues. Refer to
“Service Contact” on page B-27.
Gas Leaks
A common cause of erroneous measurements is outside air leaking into the
sample supply line. It is recommended supply lines be periodically leak-tested,
especially if the analyzer has been relocated or has been replaced or returned
to the factory for service and the supply lines have been reconnected.
INVISIBLE LASER RADIATION - Avoid
exposure to beam. Class 3b Radiation
Product. Refer servicing to the
manufacturer-qualified personnel.
The optical head has a seal and “WARNING” sticker to prevent
inadvertent tampering with the device. Do not attempt to
compromise the seal of the optical head assembly. Doing so will
result in loss of device sensitivity and inaccurate measurement
data. Repairs can then only be performed by the factory and are
not covered under warranty.
Do not use plastic tubing of any kind for sample lines. Plastic
tubing is permeable to moisture and other substances which can
contaminate the sample stream. SpectraSensors recommends
using 1/4” O.D. x 0.035” wall thickness, seamless 316L stainless
steel electropolish tubing.
Process samples may contain hazardous material in potentially
flammable and/or toxic concentrations. Personnel should have a
thorough knowledge and understanding of the physical properties
of the sample and prescribed safety precautions before operating
the analyzer.
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