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Maintenance and Troubleshooting
Maintenance
Warning
»
If spillage occurs on the liquid level sensor assembly,
immediately dry it off using a clean, non-abrasive cloth.
Clean the Tube Holder
The tube holder must be cleaned when spillage occurs or before
moving it to a reservoir with a different solvent. Clean the tube
holder using ethanol or similar.
Clean the Sensor House and Cable
Clean the sensor house using a cloth dampened with ethanol
or similar.
If necessary, the sensor cable can be cleaned with a cloth lightly
dampened with water or ethanol.
After cleaning, wipe dry with a clean, non-abrasive cloth.
Troubleshooting
If a liquid level sensor fails to detect the liquid level ( ), check
the following:
»
Ensure that the reservoir's liquid level is stable.
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Ensure that the reservoir is not tilted.
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Ensure that the tubing is properly inserted into the
reservoir and that there is nothing disturbing the
sensor; see steps 2 through 4 on page 5.
»
Ensure that there is no liquid on the bottom of the
sensor house that can disturb the sensor readings.
Dry of any liquid using a clean, lint-free cloth.
»
Ensure that the sensor is properly closed;
see Figure 8 on page 6.
»
Rotate the sensor (and tube holder) into another position,
e.g. rotate it 90 degrees, to see if that solves the problem.
Maintenance and Troubleshooting
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