DWA-2000A-SS Suspended Solids Controller
Daeyoon Scale Industry Co.,LTD.
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• Change in flow rates
• Use of a relay box
•Change in the sensor installation location
•Contact with the maker of the Instrument
Displayed values are either too
high or too low
• Poor calibration
• A sensor of low quality
• Re-calibration according to the
instruction
• Checking and replacement of the sensor
No change in the output of electric
Currents
• Checking of the blinking of the RUN lamp
• Checking of the measurement mode
The output values of electric currents
are abnormal
• Checking of 0-1 (lower limit) and 0-2 (upper limit)
• Checking and change of the settings
No display is shown
• Checking of the inflow of the source power
• Checking of the voltage of the source power
• Checking of the disconnection/ burnt-out of a fuse
• Supply of power
• Change of the voltage switch (110/220)
• Replacement of a fuse
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Even though the replacement period of a sensor may differ depending on the on-site circumstances, it is
generally advised to replace it once every 12~36 months.
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When a failure occurs, please contact the store or the maker for after-service.
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A mechanical failure will be subject to free-of-charge repair services for one year; in case of a failure of
the instrument resulting from force-majeure or faults attributable to user, the user is liable for the costs
arising from such repair.
※
The details stated above are subject to change without prior notice for the quality improvement of the
product.
18. Maintenance of the Sensor and Precautions
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The lens of the sensor must be cleaned regularly.
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Be careful not to give shocks or leave scratches on the surface of the lens of the sensor.
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When it is unused for an extended period of time, clean it with clean water and dry it completely before
