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Troubleshooting
Check the power cables and connections:
• Verify that the PC and multiprobe are properly connected to the wall power outlet
or external battery is used.
• Verify that the input voltage to the multiprobe is between 10 and 15 volts.
• Verify that the battery pack is installed correctly, if applicable. Check the battery
polarity and voltages.
Check the internal components:
• Make sure all internal connections are securely seated.
• Check for the presence of water in the unit. If damp or wet, dry out thoroughly with
a lint-free cloth or towel or let it sit out opened in a dry room overnight. Determine
where the leak occurred and repair appropriately. Notify Technical Support for
help on preventing further leaks.
If these checks do not reveal the problem, try to substitute other instruments,
cables, and terminals to determine the failing component.
Troubleshooting Sensor Issues
The following list is not an extensive account of the problems encountered. If the following
solutions do not reveal the problem, try to substitute other sensors to determine the failing
component.
Table 1 Sensor Troubleshooting
Problem Solution
D.O. readings are too low to calibrate
and/or pH and/or Redox are very high
or very low
Check the value of the sample solution
Ensure the sensors are properly maintained.
D.O. readings seem wrong Ensure the D.O. sensor has been properly maintained and calibrated.
Conductivity, Temperature, and/or
Depth readings seem wrong
Ensure the sensors are properly maintained and calibrated.
Ensure the readings displayed are accurate (e.g., for Depth: meters, feet, or psi).
Table 2 Multiprobe Software Symbols
Symbol Description
# Data Out of Sensor Range
? User Service Required or Data Outside Calibrated Range but Still within Sensor Range
* Parameter is Not Calibrated
~ Temperature Compensation Error
@ Non Temperature Parameter Compensation Error
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