Fritsch ANALYSETTE 3 - Repairs; Troubleshooting Checklist

10 Repairs
DANGER!
Mains v
oltage!
– Before beginning with repair work, unplug the
mains plug and protect the device against being
unintenonally switched back on.
– Indicate repair work with warning signs.
– Repair work may only be performed by specialised
personnel.
– Put safety equipment back into operaon aer
maintenance work.
10.1 Checklist for troubleshoong
Fault descripon Cause Remedy
POWER light does not light up No mains connecon Plug in mains plug
Main switch not switched on Switch on main switch
Mains fuse blown Replace mains fuse
Line fuse of mains socket Switch on or change the fuse in
the fuse bo
x
Raling noises Tension belt loose Tighten tension belt
Amplitude larger than 3 mm Set amplitude to less than 3 mm
Large control uctuaons around set point Sieve stack loose Tighten toothed belt
Screws of laminated spring
assembly loose
Re-ghten the screws (8Nm)
Flat springs defecve Check
at springs for tears,
replace laminated spring assembly
if necessary
Flat springs too warm Allow to cool down
Sieving stock not dispersed evenly on the
sie
ve surface
Toothed belt ghtened unevenly Tighten toothed belt evenly
The device is not level Level the device again by turning
the f
eet
Sieves too old and mesh wire
de
formed (mesh wire has no ten-
sion)
Replace sieve
Repairs
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