Owner manual

What to do if... HandyLab 680
108
ba77041e01 03/2014
Error message,
Error
6.4 Conductivity
Error message,
OFL
Error message,
Error
Cause Remedy
Sensor contaminated Clean the sensor
Measured temperature outside
the operating conditions
(OFL/UFL displayed instead of
temperature value)
Observe the temperature
range for the measuring
medium
Defective sensor Replace sensor
Note
More information, as well as notes on cleaning and replacement of
sensors, are given in the documentation of your sensor.
Cause Remedy
Measured value outside the
measuring range
Use suitable IDS conductiv-
ity sensor
Cause Remedy
Sensor contaminated Clean sensor and replace it
if necessary
Calibration solution not suitable Check calibration solutions
Note
More information, as well as notes on cleaning and replacement of
sensors, are given in the documentation of your sensor.