horiba GA-370, Instruction Manual

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6 Troubleshooting
61
6.2.8 Higher output signal level
6.2.9 Reading unstable
6.2.10 Screen not displayed
Note
If a set time elapses without a screen operation being performed, the LCD screen is turned off for
protection. However, this is not the case when an alarm is occurring.
6.2.11 Power does not turn ON
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. ―
Cause Remedial action Reference
Flow rate is not stable.
Check whether the filters are dirty. If they are,
replace them.
page 57
Installation conditions are outside of
the specifications.
Use the analyzer in a location with little
vibration. Use the analyzer in a location with
little temperature changes. In addition, use the
analyzer in a location that meets the operating
environment conditions.
―
Others Contact HORIBA or local representative. ―
Cause Remedial action Reference
Backlight is off. Touch the screen. page 51
Screen is too dark. (See the following
note.) Touch any key on the front panel. Adjust the
screen brightness in the LCD screen.
page 50
Screen is too bright.
Adjust the screen brightness in the LCD
screen.
page 50
Power switch is off. Turn ON the power switch. ―
Others Contact HORIBA or local representative. ―
Cause Remedial action Reference
Fuse has blown. Contact HORIBA or local representative. ―
Others Contact HORIBA or local representative. ―