11
The instrument shows clear messages when erroneous condition appears. Messages are also displayed
when the obtained values are outside expected range. The beeper is playing a beep on errors.
a) on zero reading
Light High:
There is too much light to perform a measurement.
Please check the preparation of the zero cuvette.
Light Low:
There is not enough light to perform a measurement.
Please check the preparation of the zero cuvette.
No Light:
The instrument cannot adjust the light level. Please check
that the sample does not contain any debris.
ERRORS AND W
ARNINGS
Inverted cuvettes:
The sample and the zero cuvette are inverted.
Zero:
A zero reading was not taken. Follow the instructions of the
measurement procedure for zeroing the meter.
b) on sample reading
Under range:
A blinking
“0.0”
indicates that the sample absorbs
less light than the zero reference. Check the procedure and make
sure you use the same cuvette for reference (zero) and measurement.