wtw pH 3110 Operating Manual page 41

pH 3110
Obviously incorrect
measured values
Meter does not react to
keystroke
You want to know which
software
version is in the meter
ba75791e02 11/2008
Cause
pH combination electrode:
– pH combination electrode
unsuitable
– Temperature difference
between buffer and test sample
too high
– Measurement procedure not
suitable
Cause
– Operating condition undefined
or EMC load unallowed
Cause
– E. g., a question by the service
department
What to do if...
Remedy
– Use suitable combination
electrode
– Adjust temperature of buffer
or sample solutions
– Follow special procedure
Remedy
– Processor reset:
Press the <ENTER> and
<On/Off> key
simultaneously
Remedy
– Switch on the meter.
During the display test,
display the software version
with <ENTER>.
41