15
The sample and zero cuvet are inverted.
This indicates that the meter has lost its
configuration. Contact your dealer or the
nearest Hanna Customer Service Center.
ERROR MESSAGES
a) on zero reading:
The instrument cannot adjust the light level.
Please check that the sample does not
contain any debris.
There is not enough light to perform a
measurement. Please check the preparation
of the zero cuvet.
This indicates that the zeroing procedure
failed due to a low signal-to-noise ratio. In
this case press ZERO again.
There is too much light to perform a
measurement. Please check the preparation
of the zero cuvet.
The lamp is not working properly. Contact
your dealer or the nearest Hanna Customer
Service Center.
The lamp is not working properly. Contact
your dealer or the nearest Hanna Customer
Service Center.
b) on sample reading:
There is too much light for the sample
measurement. Please check if the right
sample cuvet is inserted.