The motor will not run -- no fault is displayed, Yes no no no no no – Rockwell Automation 1333 Drive, 3/4-5HP, 230-575V Series D User Manual

Page 115

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Preventive Maintenance and
Troubleshooting Common Drive Problems

Appendix B

B-8

1. The motor will not run -- No fault is displayed.

Is rated input voltage present at terminals

R

/

L1

,

S

/

L2

, and

T

/

L3

?

Check input side for circuit breaker trip, contactor coil malfunction, blown

fuse, etc.

No

Is the decimal point in the mode display lit?

Yes

The drive is in the programming mode. Give the drive a valid stop command

and press the lock switch. The decimal point in the mode display will light and

the local or remote control source currently controlling the drive will be

displayed.

Parameter 8 settings.
0 = Local start/stop control without maintained external stop.

1 = Remote 2Ćwire start/stop control at the Control and Signal Wiring

Terminal Block.

2 = Local start/stop control with maintained external stop.

3 = Remote 3Ćwire start/stop control at the Control and Signal Wiring

Terminal Block.

Is Parameter 8 set correctly?

Parameter 9 settings.
0 = Local speed control.
1, 2 or 3 = Remote speed control only at the Control and Signal Wiring

Terminal Block -- Terms 1, 2 and 3.

1 = External speed pot or 0Ć5V DC.

2 = External speed pot or 0Ć10V DC.

3 = External speed pot or 4Ć20ĂĂmA.

Is Parameter 9 set correctly?

Are Parameters 6 and 7 set correctly?

If Parameter 6 is set to a value other than 0, Parameter 7 is active. Parameter

7 must then be set to the motors nameplate current rating.

Verify and change connections if necessary.

Are the motor leads securely connected to drive output terminals

U

/

T1

,

V

/

T2

and

W

/

T3

?

Contact your nearest AĆB representative for application assistance.

Yes

Yes

Yes

Yes

Yes

No

No

No

No

No

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