Malfunctions
premo
en-25
4022-D045530
Revision: 02
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
