FRITSCH PULVERISETTE 2 - Manual (Page 35)

9 Repairs
DANGER!
Mains voltage!
– Before beginning with repair work, unplug the mains
plug and protect the device against being unintention-
ally switched back on.
– Indicate repair work with warning signs.
– Repair work may only be performed by specialised per-
sonnel.
– Put safety equipment back into operation after mainte-
nance work.
9.1 Checklist for troubleshooting
Fault description Cause Remedy
Mill stops running Switch-off due to overload / motor
blockage
Eliminate the cause, press the
safety button again (back of
device)
Mill does not run after pressing [START] Hood not closed Close hood
Too much sample material filled Reduce quantity
Too coarse, hard grains are blocking the
scraper and pestle
Lift the pestle or pre-crush
larger grains
No function after switching on the main
switch
Line fuse in the mains connection defec-
tive
Replace fuses
Repairs
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