Lovibond SD 310 Oxi Mode D'emploi page 55

Error messages during calibrations
> [AL <
The pre-adjusted calibration interval has
flashes in the lapsed or the last calibration was invalid
upper display
[AL ERR.1 Incorrect reference point in air
[AL ERR.2 Transconductance is too low
Incorrect test gas / solution
Defective sensor element
[AL ERR.3
Transconductance is too high
Incorrect test gas / solution
Defective sensor element
[AL ERR.4 Incorrect calibration temperature
[AL ERR.5 Zero value is too low
Defective sensor element
[AL ERR.6 Zero value is too high
Incorrect test gas / solution
Defective sensor element
[AL ERR.7
Pressure measurement error
[AL ERR.8 Signal instable/timeout
[AL ERR.9
Sensor not recognized: cannot be
calibrated
SD 310_2 07/2018
The device must be
calibrated
Check sensor and gas/
solution
Check sensor and gas/
solution
Replace sensor element
Check sensor and gas/
solution
Replace sensor element
Calibration is only possible
in the range from 5 - 40°C
Replace sensor element
Check sensor and gas/
solution
Replace sensor element
Check pressure
Check sensor and gas
pressure
Check sensor and cabling
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