What to do if... Cond 7310
48 ba75933e04 06/2013
11 What to do if...
11.1 Conductivity
Error message
OFL, UFL
The measured value is outside the measuring range.
Error message,
Error
11.2 General information
Sensor symbol
flashes
Display
Meter does not react
to keystroke
More information, as well as instructions on how to clean and
exchange a sensor is given in the documentation of your sensor.
Cause Remedy
– The measured value is outside
the measuring range of the meter
– Use suitable measuring cell
Cause Remedy
– Measuring cell contaminated – Clean the cell and replace it if
necessary
– Calibration solution not suitable – Check the calibration solutions
– Measuring cell not connected – Connect measuring cell
Cause Remedy
– Calibration interval expired – Recalibrate the measuring
system
Cause Remedy
– Batteries almost empty – Replace the batteries (see
section 10.1 M
AINTENANCE,
page 46)
Cause Remedy
– Operating condition undefined or
EMC load unallowed
– Processor reset:
Press the <ENTER> and <On/
Off> key simultaneously
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