Section 9 Troubleshooting - Hach PHC101 User Manual

Figure 6 Probe storage

Section 9 Troubleshooting

Keep the probe clean and in the recommended storage solution when not in use for the best
accuracy, stabilization time and life of the probe.
Problem
Decreased probe performance
causes slow stabilization and
prevents accurate calibrations
or measurements.
Possible cause
The glass sensor is dirty.
The glass sensor has become
dry.
The calibration slope of the
probe has changed.
Solution
Clean and condition the probe.
Refer to Clean the probe
on page 10.
Clean and condition the probe.
Refer to Maintenance
on page 10.
Increase the accepted slope limit
settings if possible, or contact
technical support.
English 13