8 ​​troubleshooting, Troubleshooting, 8troubleshooting – FRITSCH LABORETTE 24 with V-shaped channel User Manual

Page 28

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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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