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Operating messages – Error codes
GB
Operating messages
Hı
Measuring range exceeded or excessive turbidity.
Result below the lowest limit of the measuring range.
Lo
Replace batteries, no further tests possible.
btLo
Battery capacity is too low for the display backlight;
measurement is still possible.
Error codes
Light absorption too great. Reasons: e.g. dirty optics.
E27 / E28 / E29
Calibration factor "out of range"
E 10 / E 11
Too much light reaching the detector.
E 20 / E 21
Too much light reaching the detector.
E23 / E24 / E25
Battery capacity was too low during measurement. Change battery.
E 22
E 70
F:
E 71
F:
MD100_5 10/2014
Factory calibration incorrect / erased
User calibration incorrect / erased
27