Cause of the failure and countermeasure (Reducer (without motor))

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

Reducer (without motor)

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

Classification No.	Failure contents (mode)	Display drawing No.	To the cause and countermeasure
1.1	Defect of the gear head	Figure 1
1.2	Defect of the installation or couplings	Figure 2
1.3	Defect of a load part or operating conditions	Figure 2

No.2 Abnormal heating

Classification No.	Failure contents (mode)	Display drawing No.	To the cause and countermeasure
2.1	Defect of the gear head	Figure 1
2.2	Defect of the installation or couplings	Figure 2
2.3	Defect of a load part or operating conditions	Figure 2

No.3 The noise and vibration are large

Classification No.	Failure contents (mode)	Display drawing No.	To the cause and countermeasure
3.1	Defect of the gear head	Figure 1
3.2	Defect of the installation or couplings	Figure 2
3.3	Defect of a load part or operating conditions	Figure 2

No.4 The grease leaks

Classification No.	Failure contents (mode)	Display drawing No.	To the cause and countermeasure
4.1	Defect of the gear head	Figure 1
4.2	Defect of the installation or couplings	Figure 2
4.3	Defect of a load part or operating conditions	Figure 2