Hettich ROTOFIX 32 A Gebrauchsanweisung Seite 75

Replacing centrifuge tubes
9 Troubleshooting
9.1 Fault description
Fault description
no display
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AB1207en
■
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.
Cause
No power. Mains input fuses
defective.
Tacho error. Speed pulse
failure.
Loss of mains power during
the centrifugation run. The
centrifugation run was not
completed.
Imbalance. The rotor is
unevenly loaded.
Communication. Error in the
control section or power sec-
tion.
Overload. Motor or motor con-
trol defective.
Rev.: 00 / 11.2023
Remedy
■
Check the supply voltage.
■
Check the mains input fuse.
■
Set the mains switch to
■
The device must not be switched off
while the 'Rotation' indicator is lit up
and rotating.
Wait until the 'Lid closed' symbol is
displayed (after approx. 100 seconds)
and then perform a MAINS RESET.
■
Open the lid and press the
button.
■
If required: Repeat the centrifugation
run.
■
Open the lid.
■
Check the loading of the rotor.
■
Repeat the centrifugation run.
■
Perform a MAINS RESET.
■
Perform a MAINS RESET.
Troubleshooting
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[START]
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