5．Troubleshooting
Improper installation or slacked
bolts.
Foreign substances or oil are
adhered to the friction disk.
Disconnection or short circuit of
brake coil.
When the defective operation is found, please check the cause and take measures
according to the following points.
Disconnection of motor power
cable.
Disconnection or poor contact of
motor signal cable.
Motor power cable is too long.
Continued noise - defective
bearing, worn out gear.
Damaged switch.
Life of the friction disk.
Broken gear, shaft or bearing.
Worn out gear.
Repair or replace the switch.
Repair at authorized factory.
Remove foreign substances.
Excessive moment of load inertia.
Larger brake gap.
Poor contact of switch.
Repair at authorized factory.
Reduce the load inertia.
Adjust the brake gap.
Repair at authorized factory.
Tighten the bolts.
Repair at authorized factory.
Worn out gear or bearing.
Reduce the frequency.
Repair at authorized factory.
Repair at authorized factory.
Repair at authorized factory.
Reduce the load.
Reduce the load.
Check the length and diameter
of power cable.
Overload operation.
Overload operation.
Troubleshooting
Cause
Repair at authorized factory.
Check the connection.
Check the connection.
Intermittent noise - damaged gear
or foreign substances inside the
motor.
Replace or repair the switch.
Abnormal noise
High frequency of start and stop.
Damage to bearings.
The motor does not
run even in the
unloaded condition.
The motor does not
run in the loaded
condition.
Abnormal rise in
temperature
Trouble
Excessive vibration
Brake does not work
Brake function is not
enough.
Motor does not run.
(Rotating speed does
not increase.)
Overheated motor.
Abnormal noise in
braking.
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