26 
 
Problem Possible Causes Solution 
   
The error code "ERR 12" is 
displayed 
–  You tried to store a value in the 
tare memory for applications, 
although this memory has been 
  blocked by menu code 2  2  x 
 
–  You entered a numeric tare that 
is not allowed 
 
–  Check the configuration 
 
 
 
 
– Check the value entered 
The error code "ERR 17" is 
displayed 
–  Internal calibration is not 
possible because the preload 
setting is too high 
 
–  See "Setting the Preload" in the section on the 
 operating menu 
 
The error code "ERR 19" is 
displayed 
–  The remaining weighing 
capacity available is too low 
because the relatively high 
preload setting has reduced the 
maximum capacity 
 
–  See "Setting the Preload" in the section on the 
 operating menu 
The special code "A" remains 
displayed 
–  None of the keys has been 
pressed since the weighing 
platform was switched on 
– Press any key 
The weight readout changes  
constantly 
–  Unstable environment (ambient 
conditions; e.g., too much 
vibration or exposure to 
excessive drafts) 
 
–  A foreign object is caught 
between the load plate and the 
platform frame 
– Set up the weighing platform in a different 
area 
–  Access the "Devices" setup menu to adapt the 
weighing platform to the particular  
 environment 
– Remove the foreign object 
The readout of the weighing 
result is obviously wrong 
–  The weighing platform has not 
been calibrated/ adjusted 
–  The weighing platform was not 
tared before weighing 
–  The weighing platform is tilted 
–  Calibrate/ adjust the weighing platform 
 
– Tare before weighing 
 
–  Level the weighing platform as described 
in the instructions 
 
 
If any other errors occur, please contact your nearest Sartorius service center or your dealer.