SCHOTT ProLab 4000, Operating Manual

Page: 200 / 228

What to do if... ProLab 4000
200 ba75646e03 12/2012
Warning [TempErr]
Warning [ISEErr]
Burette does not dose
16.3 Conductivity measurement
Conductivity measuring
cell was not recognized
Error message, Error
(invalid calibration)
Cause Remedy
– Temperature difference
between measurement and cali-
bration greater than 2 K.
– Adjust the temperature of
the test sample
Cause Remedy
– Electrode voltage outside cali-
brated range
– Recalibrate
Cause Remedy
– Address of the burette incor-
rectly set
– Enter the address of the
burette on the meter
(see page 101)
– Enter the address of the
burette on the burette
(see operating manual of the
burette)
– RS232 interface of the burette
incorrectly set
– Configure the RS232 inter-
face of the burette
(see page 29 and operating
manual of the burette)
Cause Remedy
– Measuring cell not connected – Connect measuring cell
– Cable broken – Replace measuring cell
Cause Remedy
– Measuring cell contaminated – Clean cell and replace it if
necessary
– Unsuitable control standard – Use control standard,
0.01 mol/l KCl