Hach NT3100sc, User Manual

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Table 5 Error messages (continued)
Message Possible cause Solution
Wiper failed The wiper is blocked.
The wiper position is not detected.
The wiper is defective. Examine the measuring path and clean if
necessary.
Do a wiper test.
Contact technical support.
Flash lamp failed The flash lamp or flash lamp control
is defective. Contact technical support.
Humidity There is too much humidity in the
sensor. Remove the probe from the basin or flow-through
unit. Examine the humidity value in
Diagnostics/Test > Signals.
Contact technical support.
Temperature is out of
range The temperature in the sensor is too
high. Check the temperature in Diagnostics/Test >
Signals.
Check the environmental conditions.
Cool the sensor.
Try a different installation location.
Contact technical support.
Table 6 Warning and reminders
Message Possible cause Solution
Humidity The humidity in the sensor is high. Remove the probe from the basin or flow-
through unit. Examine the humidity value in
Diagnostics/Test > Signals.
Temperature is out of
range The temperature in the sensor is too
high. Check the temperature in Diagnostics/Test
> Signals.
Check the environmental conditions.
Cool the sensor.
Try a different installation location.
Contact technical support.
Wiper replacement The time interval for servicing the wiper
blade has expired. Replace the wiper blade.
Shaft seals The time interval for servicing the shaft
seals has expired. Contact technical support.
Seals The time interval for servicing the seals
has expired. Contact technical support.
Service The time interval for factory service has
expired. Contact technical support.
Calibration NO3/NO3N The set calibration interval has expired. Complete a standard calibration.
Calibration NO2/NO2N The set calibration interval has expired. Complete a standard calibration.
Matrix calibration The set calibration interval has expired. Complete a matrix calibration.
Section 8 Replacement parts and accessories
W A R N I N G
Personal injury hazard. Use of non-approved parts may cause personal injury, damage to the
instrument or equipment malfunction. The replacement parts in this section are approved by the
manufacturer.
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