Xylem SI Analytics HandyLab 750 Mode D'emploi page 54

Error Codes and Device Messages
Error messages are indicated as "ERROR ..." on the display. Information on
the sensor condition is indicated by the "Sensoface" icon (friendly, neutral,
sad) possibly accompanied by an info message ("INFO ...").
Example of an error message:
ERROR 8 (identical calibration
media)
Sensoface provides information on the
sensor condition (maintenance request).
Measurement can still be performed.
After a calibration, the corresponding
Sensoface icon (friendly, neutral, sad)
is shown together with the calibration
data. Otherwise, Sensoface is only visi-
ble in measuring mode.
The most important error messages and
"Sensoface" info messages are shown
on the inside of the protective cover.
A complete list of messages and their
meanings is provided in the following
tables.
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Example of a "Sensoface" message:
INFO 1 (cal timer expired)