Operating Instructions Flexsafe
®
Pro Mixer Drive Unit 51
Malfunctions
Error Message Malfunction (Info) Cause Solution Chapter,
Page
[Mixing motor error:
Bearing current]
[Power consumption
too high]
The storage current
is too high, causing
the mixing process
to be interrupted or
locked.
Check the position of the
mixing bag and impeller.
10.5,
52
[Mixing motor error:
Impeller unstable]
[Impeller is
unstable]
The impeller in the
mixing bag is
unstable, causing
the mixing process
to be interrupted or
locked.
Check the position of the
mixing bag and impeller.
10.5,
52
[Mixing motor error:
Drive coil]
[Open drive coil] The Motor has a
fault, causing the
mixing process to be
interrupted and
locked.
Switch off the device.
Check whether the power
supply cable is properly
connected.
6.1.2,
30
Switch on the device.
[Mixing motor error:
Power output]
[Controller power
output short circuit
or overtemperature]
The listed output is
exceeded, causing
the mixing process
to be interrupted
and locked.
Switch the device off and on
again.
[Mixing motor error:
Speed lost]
[The rpm of the
impeller is 0]
The mixing speed
decreases to 0
during the mixing
process and does
not increase again
within 10 seconds.
Stop the mixing process.
Decouple the device from the
impeller and Palletank
®
for
mixing.
8.12.1,
45
Couple the device with the
impeller and Palletank
®
for
mixing.
8.6,
42
[Mixing motor error:
No impeller
detected.]
[No impeller in the
drive – either not
present or too far
away.]
The impeller is not
recognized.
Check the position of the
mixing bag and impeller.
10.5,
52
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