Cause of the failure and countermeasure (Gearmotor, gearmotor with brake)

• Gearmotor, gearmotor with brake
• Reducer (without motor)

Gearmotor, gearmotor with brake

No.1 The gear does not rotate, The speed does not increase

Classification No.	Failure contents (mode)	Reference drawing No.	To the cause and countermeasure
1.1	Defect of the power source, wiring, or control	Figure 1
1.2	Defect of the motor	Figure 2
1.3	Defect of the gear head	Figure 2
1.4	Defect of the brake	Figure 3
1.5	Defect of the installation or couplings	Figure 4
1.6	Defect of a load part or operating conditions	Figure 4

No.2 Abnormal heating

Classification No.	Failure contents (mode)	Reference drawing No.	To the cause and countermeasure
2.1	Defect of the power source, wiring, or control	Figure 1
2.2	Defect of the motor	Figure 2
2.3	Defect of the gear head	Figure 2
2.4	Defect of the brake	Figure 3
2.5	Defect of the installation or couplings	Figure 4
2.6	Defect of a load part or operating conditions	Figure 4

No.3 The noise and vibration are large

Classification No.	Failure contents (mode)	Reference drawing No.	To the cause and countermeasure
3.1	Defect of the power source, wiring, or control	Figure 1
3.2	Defect of the motor	Figure 2
3.3	Defect of the gear head	Figure 2
3.4	Defect of the brake	Figure 3
3.5	Defect of the installation or couplings	Figure 4
3.6	Defect of a load part or operating conditions	Figure 4

No.4 The grease leaks

Classification No.	Failure contents (mode)	Reference drawing No.	To the cause and countermeasure
4.1	Defect of the gear head	Figure 2
4.2	Defect of the installation or couplings	Figure 4
4.3	Defect of a load part or operating conditions	Figure 4

No.5 The braking time is long, The stopping precision is bad

Classification No.	Failure contents (mode)	Reference drawing No.	To the cause and countermeasure
5.1	Defect of the power source, wiring, or control	Figure 1
5.2	Defect of the brake	Figure 3
5.3	Defect of the installation or couplings	Figure 4
5.4	Defect of a load part or operating conditions	Figure 4