Figure 9 Prepare the probe
Section 7 Troubleshooting
Message
Humidity in instrument
Wiper is blocked
Wiper position not found The wiper is defective.
Hardware error <code>
Message
Nitrate concentration is too high Nitrate concentration is too high,
Nitrite concentration is too high
Wiper replacement is due
Calibration is due
Service is due
Shaft seals replacement is due
Seals replacement is due
Signal is low
18 English
Table 3 Error messages
Possible cause
Wiper position not found.
Table 4 Warning and reminders
Possible cause
measuring range exceeded
Nitrite concentration is too high, measuring
range exceeded
A wiper replacement is necessary.
The factory calibration interval has expired. Verify the calibration curve.
The service interval has expired.
A shaft seals replacement is necessary.
A seals replacement is necessary.
There is contamination on the measuring
window or the lamp is defective.
Remove the probe from the basin or flow through unit.
Examine the humidity value on the signals menu. Contact
technical support.
Examine the measuring path. If necessary, clean the
measuring path. Do a wiper test.
Contact technical support.
Contact technical support.
Examine the measurement.
Examine the measurement.
Replace the wiper blade.
Contact technical support.
Contact technical support.
Contact technical support.
Clean the measuring path. If the
error continues, contact technical
support.
Solution
Solution