FRITSCH LABORETTE 24 with V-shaped channel - Manual (Page 28)

8 Troubleshooting
Fault description Cause Remedy
Indicators do not light up. No connection to mains Plug in mains plug.
Main switch off Switch on main switch.
Device fuses blown n Check device fuse.
n Fuse insert on rear of device T 1.25 A
START key pressed, but LABORETTE 24
does not start
Device connection cable
not connected to feeder
Connect device connection cable.
Material to be ground runs over the
edge of the channel.
Depends on the sample Reduce the amplitude / feed gap and / or
height of the funnel.
Material to be ground is compacted on
the channel.
Depends on material prop-
erties
Change the frequency range of the ampli-
tude to allow the sample material to flow
again.
Troubleshooting
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