Calibration
IV-12
Thermo Scientific Orion 2120XP Calcium Hardness Analyzer User Guide
Error
Operator Action
Scrolling Marquee
Main Display
Notes
Calibration Errors (cont’d)
Error
110
Press
to continue the calibration
despite the bad slope.
or
Press
to abort the calibration and
refer to Exit 3.
CH2 BAD SLOPE
PRESS ENTER
E110
The calculated slope
was outside of the
recommended range.
Perform electrode
cleaning and
conditioning, refer to
the troubleshooting
section and repeat the
calibration.
Error
125
Press
to abort the calibration and
refer to Exit 3.
Verify that the correct standards were
used during the calibration, the standard
values were entered correctly and in the
right order and the electrodes are working
properly and then repeat the calibration.
CH1 BAD OFFSET
PRESS ENTER
E125
Use new standards.
Perform electrode
cleaning, conditioning
and troubleshooting.
Error
126
Press
to abort the calibration and
refer to Exit 3.
Verify that the correct standards were
used during the calibration, the standard
values were entered correctly and in the
right order and the electrodes are working
properly and then repeat the calibration.
CH2 BAD OFFSET
PRESS ENTER
E126
Use new buffers or
standards.
Perform electrode
cleaning, conditioning
and troubleshooting.