Retsch Mixer Mill MM 500 nano, Manual

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Error Messages and Information Notes
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8 Error Messages and Information Notes
8.1 Error Messages
Error messages inform the user about detected device or programme errors. In the event of an
error message, a fault has occurred, in which the operation of the device or the programme is
automatically interrupted. Such faults must be resolved before next startup.
MM 500 cryo
Error code Description
Measures
E10 Overload The drive can withstand short-term overload.
However, in the event of a prolonged overload,
the self-protection becomes active.
This can happen especially with high loads
(heavy grinding jars, hard samples, large balls,
high frequency).
•
Check whether the load of the machine
is too high.
•
Check whether there are any foreign
bodies present in the interior.
•
Check whether the arms can be moved
easily by hand.
•
Check whether the grinding process can
be carried out with reduced frequency.
Leave the machine switched on until the Cool
Down Timer has expired.
E20 Error
– Control
•
Turn off the main switch and wait 30 sec.
before turning on the device again.
•
If the error persists, please contact the
service of Retsch GmbH
.
E23 Error
– Ventilation
The fan is blocked and does not start.
•
Check whether the fan is blocked by a
foreign object.
•
Turn off the main switch of the device
and restart the process.
•
If none of the above-mentioned causes
are present, please contact the service of
Retsch GmbH
.
E25 Error
– Display
The connection to the display is interrupted.
•
Turn off the main switch and wait 30 sec.
before switching the device on again.
•
If necessary, remove any foreign objects
from the interior of the device.
•
If the error persists, please contact the
service of Retsch GmbH
.