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13.2 Error codes and remedies
This analyzer is provided with self-diagnosis functions, and an error code is displayed if an abnormality
occurs in the instrument.
Take a proper measure with reference to the instruction manual of infrared gas analyzer when an error code
appears.
Trouble
Indicated value is
not as expected.
Indication doesn’t
change
Check item
Check for gas leakage before the
aspirator.
With respect to zero gas indication, the
indicated value when air is introduced
exceeds ±2% full scale.
Check if correct range is set.
Check zero and span using standard gas.
Check if cloudy
Check the power supply voltage and fuse.
Remedy
Retighten or replace parts.
Readjust to compensate for
moisture interference.
Reset the range.
Adjust for correct zero
point and span.
Clean the window.
Replace the fuse.
Probable location
Gas leakage
Interference due to
moisture
Measuring range
Zero, span
Cell window
Power supply, fuse