Bauer MSXH, Operating Manual, Page: 39 / 52

Operating Manual for BAUER Submersible Motor Mixer / Version l-2013 39
8 TROUBLE-SHOOTING
Before lifting, moving or repairing the mixer always turn off main switch and secure the device from unintentional
switching on.
The submersible motor mixer runs but works poorly
Possible causes Check and repair
The submersible motor mixer runs
backward Check correct direction of rotation. Call electrician in case of wrong
direction of rotation.
Propeller and hub are blocked up. Lift the machine. Clean propeller and hub.
The propeller is loose, worn or partly
damaged. Check tight seat and possible wear of propeller. Replace propeller if
necessary.
The submersible motor mixer does not start
Possible causes Check and repair
No voltage or failure in control box Check whether motor protection has responded.
Check whether system voltage is available. If not, check system
voltage fuse.
Rupture of motor cable Visual check. Check whether cable and other connections are
faultless. Call electrician for further checks.
Propeller is blocked Check whether propeller is clean and easily moving. Clean propeller
and check possible blockage inside gearbox.
If the above mentioned measures are not successful, please contact
the BAUER after-sales service or a licensed workshop
The submersible motor mixer starts, but the motor protection shuts it down
Possible causes Checking and repair
Faulty voltage Check voltage. L1-L2-L3 400V~ L1-N 230V~
Check feed cable fuses
Mechanical causes Check smooth working of motor, gear and propeller
Motor failure Inspection by BAUER after-sales service or by a licensed workshop