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4. “OVER ppm” is always on the display.
Isn’t the detector contaminated?
→
NDIR cells are easily contaminated by water or dirt. Please keep the line
clean and replace filters periodically.
Isn’t there any noise?
→
Please refer to 4-3 and suppress noise.
5. RI-2000R operates abnormally.
Isn’t there any surge noise?
→
Please reboot the instrument. Please contact your nearest agent if it occurs
frequently.
6. I cannot zero calibrate (adjust the zero point).
Is it just after turning on RI-2000R?
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RI-2000R needs at least four hours to warm up.
Is it fresh air?
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Please use fresh clean air that does not contain any interferent gas or, use
100vol% nitrogen.
Isn’t there any condensation?
→
Calibration cannot be done if there is condensation.
7. Gas calibration cannot be done.
Is the prepared gas appropriate?
→
Please prepare appropriate gas to calibrate.
The sensor may be deteriorated.
→
The sensor has to be replaced.
8. There is a time lag in detection.
Isn’t the dust filter dirty?
→
Please replace the dust filter.
Isn’t there a bend or block in the sampling pipe?
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Repair the fault locations.
9. The fuse blows
Trouble in RI-2000R or power source faults is predicted.
→
Please find the trouble cause and location and take measures. Replace the
fuse to a new normal fuse (125V 5A).
