Service, Maintenance; Disposal; Instant Help - KERN and SOHN DLB 160-3A Mode D'emploi

15.2 Service, maintenance

 The appliance may only be opened by trained service technicians who are
authorized by KERN.
 Ensure that the balance is regularly calibrated, see chap. Testing instruments
control.

15.3 Disposal

 Disposal of packaging and appliance must be carried out by operator according to
valid national or regional law of the location where the appliance is used.

16 Instant help

Fault
Display is not lit up.
Measurement is taking too
long
Measurement is
not reproducible
The displayed weight is
permanently changing
DLB_A-BA-e-1714
Possible cause
• The display unit is not switched on.
• The mains supply connection has been
interrupted (mains cable not plugged in/faulty).
• Power supply interrupted.
• Incorrect setting shutoff criterion
• Sample is not homogenous
• Drying time is too short
• Drying temperature too high (e.g. oxidation
sample material, boiling point of sample
exceeded)
• Temperature sensor soiled or defective
• Draught/air movement
• Table/floor vibrations
• Electromagnetic fields / static charging (choose
different location/switch off interfering device if
possible)
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