Gear Motor ・Hypoid Motor ・Croise Motor

1	Does not rotate under no-load condition
2	Does not rotate when load is applied
3	Generates abnormal heat
4	Noisy
5	Heavy vibration
6	Grease leaks

Gear Motor with Brake ・Hypoid Motor ・Croise Motor

7	Brake does not work
8	Brake does not work well It takes a long time to brake
9	Motor does not turn Motor is abnormally hot Thermal relay operates Braking noise is loud
10	Generates abnormal heat

Small-Size Gear Motor 　IoT specifications

11	No alarm is output 【LED lights off 】
12	No alarm is output 【LED blue light 】
13	Alarm is output in normal operating condition 【LED red flashing 】
14	Parameters cannot be written (changed)
15	Can't communicate

Small-Size Gear Motor 　IoT specifications (With self-cut off )

16	Power is not cut off 【LED lighting 】
17	Power is cut off under normal operating conditions 【LED flashing 】
18	Parameters cannot be communicated 【LED lights off 】
19	Parameters cannot be written (changed)
20	Can't communicate

Gear Motor ・Hypoid Motor ・Croise Motor

1	Does not rotate under no-load condition

Cause 1	Power outage	Solution	Check power supply, contact power company
Cause 2	Disconnection of connecting wire	Solution	Check circuit
Cause 3	Poor switch contact	Solution	Repair or replace
Cause 4	Disconnection of stator coil wiring	Solution	Contact Tsubaki for repair
Cause 5	Three-phase is single-phase	Solution	Check terminal voltage
Cause 6	Gear/shaft/bearing damage	Solution	Contact Tsubaki for repair

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2	Does not rotate when load is applied

Cause 1	Voltage drop	Solution	Check length of wiring
Cause 2	Gear wear	Solution	Contact Tsubaki for repair
Cause 3	Overload operation	Solution	Reduce the load

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3	Generates abnormal heat

Cause 1	Overload operation	Solution	Reduce the load
Cause 2	Start-up and stopping frequencies are too high	Solution	Reduce the frequencies
Cause 3	Bearing damage	Solution	Repair or replace
Cause 4	Voltage is either too high or too low	Solution	Check the voltage

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4	Noisy

Cause 1	Continuous noise: Bearing damage, gear wear	Solution	Contact Tsubaki for repair
Cause 2	Intermittent noise: Scratched gear of foreign matter in machinery	Solution	Contact Tsubaki for repair

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5	Heavy vibration

Cause 1	Gear/bearing wear	Solution	Contact Tsubaki for repair
Cause 2	Poor installation or loose bolts	Solution	Retighten

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6	Grease leaks

Cause 1	Loose fastenings	Solution	Retighten
Cause 2	Oil seal damage	Solution	Replacement

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Gear Motor with Brake ・Hypoid Motor ・Croise Motor

7	Brake does not work

Cause 1	Wrong connections	Solution	Check the connections
Cause 2	Switch problems	Solution	Replace or repair

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8	Brake does not work well It takes a long time to brake

Cause 1	Oil, dirt or other contaminant on lining	Solution	Take apart and clean
Cause 2	Lining service life	Solution	Repair and replace
Cause 3	Load inertia is too large	Solution	Reduce inertia of load
Cause 4	AC internal wiring	Solution	Change to DC injection braking

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9	Motor does not turn Motor is abnormally hot Thermal relay operates Braking noise is loud

Cause 1	Wrong brake connections	Solution	Check the connections
Cause 2	Brake gap is too large	Solution	Adjust the gap
Cause 3	DC module troubles	Solution	Replace or repair
Cause 4	Brake coil disconnection or short circuit	Solution	Contact Tsubaki for repair
Cause 5	Contact problems with the switch	Solution	Repair and replace

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10	Generates abnormal heat

Cause 1	Braking frequency is too high	Solution	Reduce the frequencies
Cause 2	Load torque or load inertia is too large	Solution	Reduce the load

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Small-Size Gear Motor 　IoT specifications

11	No alarm is output 【LED lights off 】

Cause 1	SM unit power supply failure	Solution	Supply DC24V to SM unit

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12	No alarm is output 【LED blue light 】

Cause 1	Wrong setting	Solution	Review parameter settings
Cause 2	Wrong setting	Solution	Review DIP switch settings

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13	Alarm is output in normal operating condition 【LED red flashing 】

Cause 1	Not wired correctly	Solution	Review motor and SM unit wiring
Cause 2	Wrong setting	Solution	Review parameter settings
Cause 3	Wrong setting	Solution	Review DIP switch settings

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14	Parameters cannot be written (changed)

Cause 1	Not logged in	Solution	Log in

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15	Can't communicate

Cause 1	No power supply for communication	Solution	Supply DC24V to SM unit
Cause 2	Not wired correctly	Solution	Review SM unit power supply and communication wiring.
Cause 3	Wrong setting	Solution	Review DIP switch settings
Cause 4	Wrong setting	Solution	Review termination resistor settings

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Small-Size Gear Motor 　IoT specifications (With self-cut off )

16	Power is not cut off 【LED lighting 】

Cause 1	Wrong setting	Solution	Review parameter settings
Cause 2	Wrong setting	Solution	Review DIP switch settings

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17	Power is cut off under normal operating conditions 【LED flashing 】

Cause 1	Not wired correctly	Solution	Review motor wiring
Cause 2	Wrong setting	Solution	Review parameter settings
Cause 3	Wrong setting	Solution	Review DIP switch settings

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18	Parameters cannot be communicated 【LED lights off 】

Cause 1	Motor power supply failure	Solution	Supply specified power

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19	Parameters cannot be written (changed)

Cause 1	Not logged in	Solution	Log in

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20	Can't communicate

Cause 1	No power supply for communication	Solution	Supply DC5V to communication power supply
Cause 2	Not wired correctly	Solution	Review communication wiring
Cause 3	Wrong setting	Solution	Review DIP switch settings
Cause 4	Wrong setting	Solution	Review termination resistor settings

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