background image

Problem

The motor does not rotate or rotates at low speed

The motor rotates intermittently

The motor rotates in the opposite direction

The motor becomes extraordinarily hot

(motor case temperature exceeds 90

(194

) )

The motor makes a strange noise

Things to check

Is the correct voltage being supplied to the motor?

Are lead wires properly and firmly connected?

Is the load too large?

If lead wires have been extended using a terminal block or crimp-style terminals,

are the lead wires properly and firmly connected at all points?

Is the provided capacitor connected as shown in the wiring diagram of page 3?

Are lead wires properly and firmly connected?

If lead wires have been extended using a terminal block or crimp-style 

terminals, are the lead wires properly and firmly connected at all points?

Is the provided capacitor connected as shown in the wiring diagram of page 3?

Is it connected as shown in the wiring diagram? Check the wiring diagram of

page 3 again.

The rotation direction of the gearhead's output shaft differs depending on the

gearhead's reduction ratio. Refer to the gearhead's operating manual.

Is the provided capacitor connected as shown in the wiring diagram of page 3?

Are you viewing the motor from the same direction as the diagram? 

The direction of rotation is defined as clockwise or counterclockwise when

viewed from the side of the motor output shaft.

Is the correct voltage being supplied to the motor?

Does the ambient temperature exceed the permissible range (+40

℃(104 ) 

)?

Is the provided capacitor connected as shown in the wiring diagram of page 3?

Are motor and gearhead properly installed? Refer to the gearhead's operating

manual.
If the motor has a pinion shaft, is the coupled gearhead the same pinion type as
the motor shaft?

4

7.  Troubleshooting

When the motor is not functioning normally, perform an inspection covering the points listed in the table below. 

If the inspection shows that everything is normal but the motor and control unit stil are not functioning correctly, contact the nearest Oriental Motor

office. Do not repair, disassemble or modify it yourself.

˚F

˚F

Printed on Recycled Paper

Technical Support Tel:(800)468-3982
8:30

A.M.

to 5:00

P.M.

, P.S.T. (M-F)

7:30

A.M.

to 5:00

P.M.

, C.S.T. (M-F)

E-mail: [email protected]
www.orientalmotor.com

Headquarters and Düsseldorf Office
Tel:0211-52067-00

Fax:0211-52067-099

Munich Office
Tel:089-3181225-00

Fax:089-3181225-25

Hamburg Office
Tel:040-76910443

Fax:040-76910445

Tel:01256-347090

Fax:01256-347099

Tel:01 47 86 97 50

Fax:01 47 82 45 16

Tel:02-93906346

Fax:02-93906348

Tel:(02)8228-0707

Fax:(02)8228-0708

Tel:(6745)7344

Fax:(6745)9405

Tel:(03)22875778

Fax:(03)22875528

KOREA
Tel:(032)822-2042~3

Fax:(032)819-8745

Headquarters Tokyo, Japan
Tel:(03)3835-0684

Fax:(03)3835-1890

Tel:66-2-254-6113

Fax:66-2-254-6114

©

Copyright

  ORIENTAL MOTOR CO., LTD. 200

8

• Characteristics, specifications and dimensions are subject to change without notice.

is a trademark of Oriental Motor Co., Ltd.

• Please contact your nearest Oriental Motor office for further information.

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