PR 5211 Instrument Manual  Repair and Maintenance 
Sartorius    EN-81 
7  Repair and Maintenance 
Repairs are subject to checking and can be carried out only at Sartorius. In case of defect or functional 
trouble, please, contact your local Sartorius organization for repair. When returning the instrument for 
repair, an exact and complete fault description must be supplied. Maintenance work may be carried out only 
by a trained technician aware of the involved hazards, whereby the relevant precautions must be taken.  
7.1  Soldering Work 
Carrying out any soldering work on the unit is not allowed, excepting the solder link (see chapter 3.2.6.5 and 
3.2.6.6). 
7.2  Cleaning 
If necessary, the front panel can be cleaned using a damp, soft cloth. Use only little water or isopropyl 
alcohol for moisturizing.