TPM
+
Malfunctions
Revision: 07 4022-D018396 en-25
Motor is droning and
has a high power
consumption
Drive is blocked Check the drive
Error in the encoder line Check the encoder line
Incorrect controller
parameters
Check that the motor parameters
are suitable for the implemented
servo actuator
Brake does not release (see fault "Brake does not release")
Brake does not
release
Voltage drop along the
supply line > 10%
Ensure that the supply voltage is
correct. Check the cable cross-
section.
Incorrect brake connection Check the connection for correct
polarity and voltage
Short circuit in the coil or at
body of brake coil
Consult our Customer Service
department.
Holding brake slips Stopping torque of the brake
exceeded
Check the construction plan. Carry
out a refreshment.
Acceleration times
are not met
Load is too high Check the dimensioning
Power limiting active Check the controller parameters
Position error Shielding of the encoder line
insufficient
Inspect the shielding of the
connection cables
Disturbing pulse from the
brake, protective circuit of
the brake missing or
defective
Check the protective circuit (e.g.
Varistor) of the brake on the
converter
Mechanical coupling
between the motor shaft and
encoder defective
Consult our Customer Service
department.
Tbl-10: Malfunctions
Fault Possible cause Solution
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