Hettich UNIVERSAL 320 Gebrauchsanweisung Seite 87

Accessories with a limited
service life
Replacing centrifuge tubes
9 Troubleshooting
9.1 Fault description
Fault description
no display
TACHO - ERROR 1, 2, 96
IMBALANCE 3*
CONTROL - ERROR 4, 6
AB1401en
4. Grease the motor shaft with Hettich Tubenfett 4051.
5. Excess grease in the centrifuging chamber must be removed.
The use of certain accessories is time-limited. For safety reasons, the
accessories must no longer be used when either the maximum number
of permissible run cycles marked on them or the expiry date marked on
them has been reached.
■
The maximum permissible number of run cycles or the expiry date can
be seen on the accessories.
CAUTION
Risk of injury from broken glass.
Broken glass may cause glass splinters and contaminated
liquids to be found inside the centrifuge.
−
Wear cut-resistant gloves.
−
Wear protective goggles and a face mask.
Broken parts of the tube, glass splinters and spilled centrifuge material
must be removed completely in the event of leakage or if a centrifuge
tube breaks. Glass splinters that are not removed will cause further glass
breakage.
The rubber inserts and the plastic sleeves of the rotors must be replaced
after a glass breakage.
Disinfection must be carried out if the material is infectious.
Customer service must be notified if the fault cannot be rectified based on
the fault table. State the centrifuge type and serial number. Both numbers
can be seen on the type plate of the centrifuge.
* Error number does not appear on the display.
Cause
No power. Overcurrent protec-
tion fuse has tripped.
Tacho defective. Motor, elec-
tronics defective.
The rotor is unevenly loaded.
Lid lock error.
Rev.: 13 / 11.2023
Remedy
■
Check the supply voltage.
■
Set the mains switch to
■
Open the lid.
■
Set the mains switch to
■
Wait at least 10 seconds.
■
Turn the rotor vigorously by hand.
■
Set the mains switch to
must rotate while switching on.
■
Open the lid.
■
Check the loading of the rotor.
■
Repeat the centrifugation run.
■
Perform a MAINS RESET.
Troubleshooting
[I] .
[0] .
[I] . The rotor
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