Xylem CG 842 - Manual (Page 38)

What to do if...
81
Cause Remedy
– pH electrode unsuitable – Use suitable electrode
– Temperature difference
between buffer and
sample too large
– Adjust temperature of
buffers or samples
– Measuring procedure not
suitable
– Follow special procedure
Cause Remedy
– Operating state
undefined or EMC
electric stress unallowed
– Processor reset:
Press the
key and switch on the
instrument
Obviously incorrect
measured values
Instrument does not
react to keystroke