Error Messages - Mettler Toledo SevenGo SG2 Bedienungsanleitung

Error messages

4.7 Error messages
Err 1 Self-diagnosis failed
Err 2 Measured value out of range
Err 3 Measured buffer temperature out of
range (5...50 °C)
Err 4 Offset out of range
Err 5 Slope out of range
Err 6 Meter cannot recognize the buffer
Err 7 Data entry error in setting the user-
defined buffer
Err 8 ATC measured temperature is diffe-
rent to the user-defined value
Err 9 The current data set has already
been stored once
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Repeat the self-diagnosis procedure and make sure that
you finish pressing all seven keys within two minutes. If
"Err 1" still appears, call METTLER TOLEDO Service.
Make sure that the electrode wetting cap has been
removed and that the electrode is properly connected
and placed in the sample solution.
If no electrode is connected, put the shorting plug in the
socket.
Keep the buffer temperature within the range for calib-
ration.
Make sure you have the correct buffer and that it is
fresh.
Clean or replace the electrode.
Make sure you have the correct buffer and that it is
fresh.
Clean or replace the electrode.
Make sure you have the correct buffer and that it is
fresh.
Check that the buffer has not been used more than
once during the calibration.
When entering the user-defined buffer value, the meter
does not accept a value whose pH differs by less than
1 pH unit from other preset values. Reenter a value.
Keep the buffer or sample at the set temperature or
change the temperature setting.
A measurement can only be stored once. Perform a
new measurement to store a new data set.
METTLER TOLEDO SevenGo™ pH
28.2.2006 15:40:26 Uhr