Instruction Manual

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 <auto read>
key and switch on the
instrument
Obviously incorrect
measured values
Instrument does not
react to keystroke