Hach TitraLab AT1102, Basic User Manual, Page: 22 / 158

Other maintenance options
1. Select an option, then push Select .
Option Description
Stirring activation Do a check of the magnetic stirrer. Push the up and down arrow keys to increase or
decrease the stirring speed.
Live measure This option is not available for all sensors. The option shows continuous
measurement data with connected sensors to quickly check measurements. The
installed applications and the automatic additions to the sample are set to off.
Continuous measurements are not temperature compensated, so measurement
differences may occur in the same sample between continuous measurements and
measurements that use installed applications with temperature compensation.
Maintenance
summary See the number of days remaining for maintenance tasks. After doing a task, push
Reset to set the number of days remaining to the default value.
Maintenance
schedule See the list of maintenance tasks. Push Edit to change the default value.
Reagent
replacement Use this option to replace the reagents. Obey the instructions on the display.
Troubleshooting
Refer to the following table for common problem messages or symptoms and possible causes.
Error/Warning Description
Stop requested The operator has pushed the stop button
Measurement unstable The measurement is unstable
Measurement out of range The measurement is out of range
Temperature out of range The temperature measurement is out of range
Slope out of range The calibration slope is outside accepted limits
Offset out of range The calibration offset is outside accepted limits
Cell constant out of range The calibration value of the cell constant is outside accepted
limits
Equiv. point not found The titration fails to determine the equivalence point
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