Check the cooling system of water-cooled versions. Clean or rinse the
cooling circuit as required. Contact the machine manufacturer in the
case of a cooling system failure.
2. Check the sizing of the drive for changed requirements. Stop operation
in case of overload. Risk of damage!
3. Restore the original parameters. Check the sizing of the drive if require‐
ments have been changed.
4. Contact the machine manufacturer.
7.8.3 High energy storage device values, but housing temperature is nor‐
mal
State
The diagnostic system of the controller shows unusually high winding temper‐
ature values via display or operator software. However, the temperature of
the housing is normal.
Possible causes
1. Wiring error or cable break in sensor cable.
2. Diagnostic system defective.
3. Check the wiring and connection of the temperature sensor according to
the interconnection diagram.
4. Failure temperature sensor.
Measures for
1. Check the resistance value of the temperature sensor using a multime‐
ter.
2. Check the diagnostic system at the controller or the control unit.
3. Set the measuring device to resistance measurement mode.
● Shut down the system and wait until the discharging time has
elapsed. Disconnect the temperature sensor from the controller
and connect the wire pair to the measuring device (this also checks
the sensor line).
4. Contact the Rexroth service department.
7.8.4 Energy storage device or machine table generates vibrations
State
Vibrations can be heard or felt at the energy storage device.
Possible causes
1. Driven machine elements are insufficiently coupled or damaged.
2. Hybrid bearings are worn or defective. Available bearing lifetime or
grease lifetime has elapsed.
3. Mechanical fastening has come loose.
4. Drive system is instable from a control point of view.
Countermeasures
1. Contact the machine manufacturer.
2. Contact the machine manufacturer.
3. Check the mechanical connection. Do not continue to use damaged
parts. Contact the machine manufacturer.
4. Check the parameterization of the drive system (energy storage device
and encoder data). Comply with the instructions in the controller docu‐
mentations.
BA1N Kinetic Energy Buffer 37/49
Commissioning and operation of BA1N energy storage device
R911393267_Edition 01 Bosch Rexroth AG
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