2 troubleshooting tables, 2 troubleshooting tables -5 – Rockwell Automation 1329I Integrated AC Drive/Motor, Series B FRN 3.X User Manual

Page 59

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Diagnostics and Troubleshooting

11-5

1329I-5.5 Integrated Drive/Motor — January, 2000

11.2 Troubleshooting Tables

Use the following tables to troubleshoot the unit. If you cannot resolve the problem
using these tables, systematically replace the Drive Section and the Motor Section one
at a time with a corresponding Drive Section or motor known to be operating correctly.
If the problem is not corrected, contact Allen-Bradley distributor.

Table 11.2
Display Not On

Table 11.3
Motor Will Not Start

Table 11.4
Motor Rotates but Does Not Accelerate to Full Speed

Possible Cause

Corrective Action

Unit is not receiving input power.

Check input power wiring and connections (see Section 5.0).
Check main power supply.

Keypad/display ribbon cable is not connected securely.

Remove power from the unit. Open the cover and verify the
cable connection by lightly tugging on the cable at each end.
If the cable is disconnected, push the cable in until it clicks.
Reapply power to the unit.

Possible Cause

Corrective Action

Drive Section has faulted.

See Section 11.1.

Unit is not receiving input power.

Check input power wiring and connections (see Section 5.0).
Check main power supply.

Start input is not asserted.

Check terminal board wiring. Assert Start input on standard
unit (see Section 7.6) or press green

key on local

operator control unit.

Function Loss input wiring is missing or incorrectly wired.

Check Function Loss wiring (see Section 7.1).

Stop input is open.

Close terminal block Stop input.

Faults have not been cleared. Fault code is displayed.

Assuming fault situation has been corrected, clear the faults
by pressing the Reset pushbutton (wired between control
terminals 13 and 15, see Section 7.8) on standard units or
pressing the

key on local operator control units.

Possible Cause

Corrective Action

Maximum speed is set too low.

Increase maximum speed by turning the maximum speed
rotary switch to a higher position (see Section 8.1).

Unit is receiving incorrect speed reference.

Verify speed reference wiring (see Section 7.5).

Excessive load

Reduce load; make sure the unit matches the application
requirement.

RESET

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