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86
Troubleshooting
Error messages
Error displayed
Cause
Resolution
Maximum volume
reached.
The maximum volume is
reached before the titra-
tion is completed. The
titration is cancelled auto-
matically.
Empty the titration cell
and restart the titration.
Equivalence points not
found.
No equivalence points
found during titration.
Expired calibration.
Validity of calibration has
expired.
Perform new calibration.
Data logger empty.
No results are stored or
no results match the
search filter.
Change the search filter
criteria.
All data will be erased.
All data in the data log will
be erased.
Printing error.
Printer is connected but
not activated.
Switch on the printer.
PC not connected.
Computer is activated but
not connected.
Check the computer con-
nection.
Unstable pH reading.
Defective pH electrode
and/or insufficient immer-
sion.
Check electrode accord-
ing to manufacturer rec-
ommendations, maintain
electrode as required.
Check porous pin is cov-
ered by sample.
