174
Display/Problem Cause Solution
Err 31 Interface handshake interrupted Transmit XON, then CTS
Print fct. blocked (XOFF, CTS)
Ref.wt. too light Error in storing reference weight  Weight too light or there is 
(with the counting or weighing- no sample on the scale
in-percent application)
Cannot update Reference updating not possible See “Counting” in “Operating 
(with the counting application) the Scale“ for reference 
updating criteria
Not a number Input wrong (for any  Follow the instructions for the
xxxxx 
Too low application program), e.g., application programs
xxxxx Too high alphabetic input not allowed
Too many char. Input text too long Allowable text lengths, incl. 
decimal point:
– S ID, NUM, L ID, 
ID:  max. 20 characters
– W ID:  max. 14 characters
Equation too long Equation exceeds 28 characters Limit equation to 28 characters
Limits different The unit for the tolerance limits Change the tolerance limits to
than unit entered during checkweighing is fit the application
different than that required for the
current application 
Err 10x Key is stuck Release key or
Key pressed when switching on Contact your local 
the scale: Sartorius Service Center
x = 
1 : N (F1, F2, F5, F6), c
x = 
2 : D, N (F3), 0, 3, 4, 9
x = 
3 : 2, 5, 6, ., p, t-right
x = 
4 : 1, 7, 8, N (F4), a,
t-left
“Checkerboard” pattern displayed M key was pressed when turning on
continuously the scale, or is stuck
Err 340 Operating parameter (EEPROM)  Contact your local Sartorius
is wrong Service Center
No  WP Weighing platform is defective Contact your local Sartorius 
Service Center
blocked Function blocked none
The special code 
J None of the keys has been pressed Press a key 
remains displayed since the scale was turned on
The weight readout  Unstable ambient conditions Set up the scale 
changes constantly in another area
Too much vibration, or the scale  Change Setup configurations
is exposed to a draft to adapt the scale to the
ambient conditions
A foreign object is caught between Remove the foreign object 
the pan and the scale housing
The weight readout is  The scale has not been  Calibrate/adjust the scale
obviously wrong calibrated/adjusted
The scale was not tared  Tare before weighing
before weighing
The scale is not level Level the scale
The dust cover is caught under the  See “Replacing the Dust Cover” in 
weighing pan the chapter “Care and Maintenance” 
If any other errors occur, contact your local Sartorius Service Center!