Error Messages - Mettler Toledo SevenGo pro Mode D'emploi

Message
Temperature differs from setting
ISM sensor communication error
®
Sensor cap expired
Sensor failure
Over range
Under range
Self-test failure
Wrong settings
51710917_V02.2011_BA_SG9_98_EnFrEs.indb 41
Description and Resolution
ATC measured temperature differs by more than 0.5°C
from the user-defined value/temperature range.
●
Keep the buffer/standard temperature within the
range.
●
Change the temperature setting.
Data has not been transferred correctly between ISM
sen s or and meter. Reconnect the ISM
again.
The lifetime of the optical DO sensor cap of 1 year has
expired. Change the cap following the instructions of the
opti c al DO sensor maintenance.
The cap of the optical DO sensor is missing or not in-
stalled properly
- Install a new DO cap onto the optical DO sensor fol-
low i ng the instructions of the optical DO sensor main-
ten c ance
- Remove the cap and reconnect it following the instruc-
tions of the optical DO sensor maintenance
There is no signal from the sensor. Switch off the instru-
ment, reconnect the sensor and try again.
The measured oxygen value is out of the calibrated
range.
- Make sure that the sensor cap and the temperature sen-
sor are covered with solution
- Make sure that the sensor is free of salt or mineral con-
ta m i n a t ion
The measured oxygen value is out of the calibrated
range.
- Make sure that the sensor cap and the temperature sen-
sor are covered with solution
- Make sure that the sensor is free of salt or mineral con-
ta m i n a t ion
Self-test has not been completed within 2 minutes or me-
ter is defective.
●
Restart self-test and finish within 2 minutes.
●
Contact METTLER TOLEDO service if the problem per-
sists.
Entered value differs by less than 1 pH unit/5°C from oth-
er preset values.
●
Enter a higher/lower value in order to get a larger dif-
fer e nce.
®
sensor and try
®
Error messages 43
21.04.2011 11:46:19