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Reset write-protect After working with the Sartorius Service Software, always make sure to
conclude with the „Close“ function (returning the balance from BPI back to SBI
mode), otherwise write-protect is not set, and the balance/scale remains in the
BPI mode (see Page 25). If all else fails, reset the SBI mode by selecting menu
reset (9-1°).
Exchanging the Main PCB When ordering replacement PCBs, always state the model and the serial
number, based on this information a preprogrammed new  PCB set can be
delivered.
Weighing systems -   Double lever system, Strain gauge system
Opening the housing - Unscrew the 2 (sealed) screws on the reverse side and slide the upper half
of the housing back.
- After closing the balance/scale, the service technician or service
organization must reaffix another control seal!
Service software – Must be used for adjusting weighing instruments when tolerance levels are
exceeded by ± 2% (span, linearity, offset, zeropoint).
Do not use out-dated software versions.
Adjusting the off-center load – Strain-gauge weighing systems and model TE3102 devices are adjusted by
filing the thin parts.  Model TE214S and TE313S devices are adjusted using
the off-center value adjustment screws.
Span adjustment – Can be performed using external calibrated (i.e., certified) weights.