Troubleshooting
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Troubleshooting
Malfunctions and troubleshooting
Quick chuck
Malfunction Possible cause Troubleshooting
Quick chuck cannot
be closed
Quick chuck has been opened
with too much force and has
been overwound
▪ Turn quick chuck with
approx. the same eort in
closing direction, until a
series of audible clicks is
heard
▪ Turn quick chuck carefully
in opposite direction, until
a slight resistance will be
noticed after 1 - 3 clicks.
The overwinding has been
reset, when you can no longer
hear clicks when closing the
quick chuck.
Hei-TORQUE Value
Error messages Possible cause Troubleshooting
Error: Overload Motor or power adapter
overload:
▪ Torque too high
▪ Impeller blocked
Rotation stops automatically:
▪ Remove the cause of
blockage
▪ Re-start rotation
Error: Overheating Motor too hot:
Overheat protection
activated
Rotation stops automatically:
Re-start rotation after
allowing to cool down
Malfunctions Possible cause Troubleshooting
Display cannot be
switched on
No power Check that the plug is
correctly inserted in the power
socket and the stirrer.
Hei-TORQUE Precision
Error messages Possible cause Troubleshooting
Error: Overload Motor or power adapter
overload:
▪ torque too high
▪ Impeller blocked
Rotation stops automatically:
▪ Remove the cause of
blockage
▪ Re-start rotation
Overheat situation
(allow to cool down
before restarting)
Motor too hot:
Overheat protection
activated
Rotation stops automatically:
Re-start rotation after
allowing to cool down
Do not change while
running!
Unauthorized modication
attempted while running
Stop the stirrer,
make the required changes