Hach-Lange SENSION+ MM110 - Manual (Page 23)

19
7. Error messages
Display Caused by Action
Measurement (pH, mV, temperature) out of
range.
Check sensor.
Low battery charge. Replace the batteries.
E1
Unstable reading during a stability measurement
or during calibration.
100-second timeout.
Check that the sensor is properly immersed in
the sample.
E2
pH electrode sensitivity out of range.
Accepted values 70-105 %.
Connect a new sensor.
E3
Asymmetry potential out of range.
Accepted values ± 58 mV.
Connect a new sensor.
E4 Buffer solution not recognised.
Check sensor.
Check buffer solution.
E5 Same buffer solutions.
Check sensor.
Check buffer solution.
E6
The calibration solutions have different
temperatures. Adjust the calibration solutions to the same
temperature.
ENGLISH
sensION+ MM110 HACH_LANGE 0710.indd ANG:19 sensION+ MM110 HACH_LANGE 0710.indd ANG:19 7/9/10 15:33:12 7/9/10 15:33:12