horiba GA-370, Instruction Manual

Page: 76 / 95

6 Troubleshooting
60
6.2.5 Significant drift
6.2.6 Over range reading
6.2.7 Lower output signal level
Cause Remedial action Reference
Analysis part is not attached to the
analysis part base properly.
Reattach the analysis part. ―
Springs suspending the analysis part
are not attached properly. Adjust or replace the analysis part suspension
fixtures.
―
Range setting is not appropriate. Set an appropriate measurement range. page 31
Zero calibration was not performed
correctly.
Perform the calibration again.
Check that the zero gas is connected during
zero calibration.
page 23
Span calibration was not performed
correctly.
Perform the calibration again.
Check that the span gas is connected during
span calibration.
Check that the span gas concentration setting
value is normal.
page 24
Others Contact HORIBA or local representative. ―
Cause Remedial action Reference
Sample gas concentration is too high.
Check the concentration of the introduced
sample gas.
―
Others Contact HORIBA or local representative. ―
Cause Remedial action Reference
Measurement range setting is not
appropriate.
Set an appropriate measurement range. page 31
Zero calibration was not performed
accurately. Perform the calibration again. Check that the
gas is stopped during zero calibration.
page 23
Span calibration was not performed
accurately.
Perform the calibration again.
Check that the span gas is connected during
span calibration. Check that the span gas
concentration setting value is correct.
page 24
Screen is the ANALOG OUTPUT
screen. If the screen is the ANALOG OUTPUT screen,
switch to the MEASUREMENT screen.
page 44
Others Contact HORIBA or local representative. ―