horiba LAQUA-PH1500, Instruction Manual

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Error Messages and Troubleshooting
37
■ Error Messages and Troubleshooting
● Error message
This section describes the causes of typical errors and the actions to be taken to resolve
respective errors.
If ERR is displayed while you are using the instrument, check the error, its cause and action to
be taken in the error list below:
Meter display ERR description Cause of error
and
How to solve the problem
OFFS ERR Offset voltage error
Electrode is dirty or reference junction is
clogged. Clean the electrode.
SLPE ERR Slope error
Electrode sensitivity is low. Please clean and
recalibrate with fresh standard solution. If the
problem persists, replace the electrode with
new one.
BUFF ERR
Can not auto
recognize standard
solution
The instrument cannot identify the standard
solution. Check the calibration solution and
use fresh one if required.
Calibration interval
alarm error
Exceeds the calibration interval setup.
Calibrate the meter.
MEM FULL Memory data full
The number of the data saved has exceeded
the specified number of items. Print or
transfer the data. Or, clear stored data.
If user selects the
enter key before stable
in calibration mode
key is pressed before the calibration
value has stabilized. Wait for the value to be
stable and then press the
key.