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Message
Solution
Next calibration is due!
Calibrate the instrument. Refer to
Calibrate the turbidimeter with
on page 13.
Note: The calibration reminder is set to on. Refer to
Configure the calibration settings
on page 14.
Next service is due!
Contact technical support.
Note: The service reminder is set to on. Refer to
on page 22.
Next verification is due!
Do a calibration verification. Refer to the expanded user manual on the
manufacturer's website.
Note: The verification reminder is set to on.
Reading
Hardware error /
instrument error
Set the power to off, wait 20 seconds and then set the power to on
again. If the problem continues, contact technical support.
The calibration range is
exceeded.
The measured turbidity is more than the calibration range of the
instrument. Select a calibration curve for the full measurement range.
Refer to
Configure the calibration settings
on page 14.
The measurement range
is exceeded.
The measured turbidity is more than the measurement range of the
instrument.
Calibration/Verification
Instrument error
Examine the standards. Start the calibration or verification again.
If calibration (or verification) is not successful, contact technical
support.
The standard is not
stable.
Use the correct calibration standards. Invert the standard until no
bubbles or large particles show.
The standard value is out
of the measurement
range.
Use the correct calibration standards. Invert the standards. Make sure
to measure the standards in ascending order.
The standard value is too
low.
The wrong calibration standard is in the vial compartment. Make sure
that the standard has not expired.
Put the correct calibration standard in the vial compartment. Make sure
to invert the standard.
The standard value is too
high.
The wrong calibration standard is in the vial compartment. Make sure
that the standard has not expired.
Put the correct calibration standard in the vial compartment.
Verification failed.
Examine the verification standard. Calibrate the instrument. Refer to
Calibrate the turbidimeter with StablCal Standards
on page 13.
If verification is not successful after calibration, contact technical
support.
Instrument update
Copy from USB Memory
failed
Remove large files from the USB flash drive that use too much space.
Start the instrument update procedure again.
Remove the instrument update files from the USB flash drive. Save the
instrument update files again to the USB flash drive.
Connect the USB flash drive to the instrument. Start the instrument
update procedure again.
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