Gearmotor Troubleshooting
Gearmotor with Brake Troubleshooting
Gearmotor with Clutch and Brake Troubleshooting
Replacement Parts
However, defects caused by the replacement of the parts by a customer are not covered by our warranty.
For inquiries regarding supply of brake-related parts, please contact our nearest service office described on the last
page of the instruction manual.
Inspect the circuit/wiring parts.
Defective contact of the switch
Repair or replace it.
Disconnection of the stator winding
Repair it at our factory.
1-phase power voltage supplied to 3-phase motor
Check the terminal voltage.
10. Troubleshooting
Failure detail
Cause
Measures
The motor does not run
under no load.
Power failure
Check the power supply. /
Contact the power company.
Defective connection line
Inspect the circuit/wiring parts.
Defective contact of the short circuit plate
The motor does not turn
when a load is applied.
Voltage drop
Check the wiring length.
Worn gear
Repair it at our factory.
Overload operation
Lower the load.
Broken gear/shaft/bearing
Repair it at our factory.
The motor generates
abnormal heat.
Overload operation
Lower the load.
Frequent startup/stop
Lower the frequency.
Damaged bearing
Repair it at our factory.
Too high/low voltage
Check the voltage.
Grease leaks.
Loose fastening part
Tighten it.
Damaged oil seal
Repair it at our factory.
Failure detail
Cause
Measures
The sound is high.
Continuous sound - Damaged bearing/worn gear
Repair it at our factory.
Intermittent sound - Scratch of the gear or foreign
substance mixture
Repair it at our factory.
The vibration is large.
Worn gear
Repair it at our factory.
Defective installation/loose bolt
Tighten it.
The brake does not work.
Wrong connection
Check the connection.
Defective switch
Replace/repair it.
The braking time is long.
Oil/dust, etc. attached to the friction plate
Clean it or repair it at our factory.
Life time of the friction plate
Replace it or repair it at our factory.
Large load inertia moment
Lower the load.
AC switching connection
Change it to DC switching.
The motor does not rotate.
(The speed is not
increasing.)
The motor generates
abnormal heat.
The thermal relay operates.
Wrong brake connection
Check the connection.
Large brake gap
Adjust the gap.
Defective rectifier
Replace it.
Brake coil disconnection or short circuit
Replace it or repair it at our factory.
Defective contact of the switch
Replace/repair it.
The motor generates
abnormal heat.
Frequent braking
Lower the frequency.
Large load torque/inertia moment
Lower the load.
The start-up is not good.
The brake does not work
well.
Oil/dust, etc. attached to the friction plate
Clean it or repair it at our factory.
Life of the friction plate
Replace/repair it.
Large load torque/inertia moment
Lower the load.
Failure detail
Cause
Measures
The clutch and brake do
not work.
Wrong connection
Check the connection.
Defective rectifier
Replace it.
Clutch/brake coil disconnection or short circuit
Repair it at our factory.
Defective switch
Replace/repair it.
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Содержание GTR MID F Series
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