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“No Light”: the instrument cannot adjust the light level.
Please check that the sample does not contain any debris.
on sample reading:
A flashing value of the maximum concentration indicates
an over range condition. The concentration of the sample
is beyond the programmed range: dilute the sample
and measure again.
The sample absorbs less light than the zero reference.
Check the procedure and make sure you use the same
cuvet for reference (zero) and measurement.
“Inverted”: the sample and the zero cuvet are inverted.
ERROR MESSAGES
The meter has lost its configuration. Contact your dealer
or the nearest Milwaukee Instruments Customer Service
Center.
on zero reading:
“Light high”: there is too much light to perform a
measurement. Please check the preparation of the zero
cuvet.
“Light low ”: there is not enough light to perform a
measurement. Dilute the sample. See “General tips for
an accurate measurement“.