Operating messages – Error codes
GB
Hı
Lo
btLo
Store
Date
Cal
RESULT
Time
Cal
E27 / E28 / E29
E 10 / E 11
E 20 / E 21
E23 / E24 / E25
E 22
E 70
E 71
E 72
E 73
MD200_9b 03/2020
Operating messages
Measuring range exceeded or excessive turbidity.
Result below the lowest limit of the measuring range.
Replace batteries, no further tests possible.
Battery capacity is too low for the display backlight;
measurement is still possible.
A user calibrated method is indicated by an arrow while the test result
is displayed (see "Factory calibration reset").
Error codes
Light absorption too great. Reasons: e.g. dirty optics.
Calibration factor "out of range"
Too much light reaching the detector.
Too much light reaching the detector.
Battery capacity was too low during measurement. Change battery.
Cu:
Factory calibration incorrect / erased
Cu:
User calibration incorrect / erased
pH:
Factory calibration incorrect / erased
pH:
User calibration incorrect / erased
35