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Error Messages
If there are problems with a sensor, an error message ap-
Sensor
pears and the measured-value display flashes.
problems
ERROR 1
Problem with the electrode
Possible causes:
Electrode defective
Too little electrolyte in the electrode
Electrode not connected
Break in electrode cable
Wrong electrode connected
Measured pH less than -2 or greater than +16
ERROR 2
Problem with the electrode
Possible causes:
Electrode defective
Electrode not connected
Break in electrode cable
Measured electrode potential less than -1,300 mV or
greater than +1,300 mV
ERROR 3
Problem with temperature probe
Possible causes:
Temperature probe defective
Short circuit in temperature probe
Wrong temperature probe connected
Measured temperature less than -20 °C or greater than
+120 °C
Maintenance and Troubleshooting 19
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