Error Messages - Mettler Toledo SevenEasy S20 Bedienungsanleitung

Error messages

9. Error messages
Error 1 - Offset out of range
Make sure you have the correct buffer and that it is fresh.
Clean or replace the electrode.
Error 2 - Slope out of range
Make sure you have the correct buffer and that it is fresh.
Clean or replace the electrode.
Error 3 - Meter cannot recognize the buffer
Make sure you have the correct buffer and that it is fresh.
Check whether the buffer is used more than once in the calibration.
Error 4 - Data entry error in setting the user-defined buffer
When entering the user-defined buffer value, the meter doesn't accept a value whose pH differs by less
than 1 pH unit from other pre-set values. Re-enter a value.
Error 5 - ATC measured temperature is different from the user-defined value.
Keep the buffer or sample at the set temperature or change the temperature setting.
Error 6 - the measured buffer temperature is out of the range (5... 50°C)
Keep the buffer temperature within the range.
Error 7, (----) - mV value out of range
Make sure the electrode is connected.
If no electrode is connected, place the shorting clip in the socket.
Error 8 - pH measuring value out of range
Check if the electrode wetting cap is removed and if the electrode is properly connected and placed in
a sample solution.
Error 9 - Self-diagnosis failed
Repeat self-diagnosis process and make sure that you press the correct keys while the icon is
blinking. If Err 9 still appears, call METTLER TOLEDO service.
12 METTLER TOLEDO SevenEasy