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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.
Store
Date
A user calibrated method is indicated by an arrow while the test result
Cal
RESULT
is displayed (see "Factory calibration reset").
Time
Cal
Error codes
E27 / E28 / E29
Light absorption too great. Reasons: e.g. dirty optics.
Calibration factor "out of range"
E 10 / E 11
E 20 / E 21
Too much light reaching the detector.
E23 / E24 / E25
Too much light reaching the detector.
E 22
Battery capacity was too low during measurement. Change battery.
Ur1:
E 70
E 71
Ur1:
AL100_7 07/2016
Factory calibration incorrect / erased
User calibration incorrect / erased
35