Rockwell Automation 1329I Integrated AC Drive/Motor, Series A - Manual (Page 54)

11-4 Diagnostics and Troubleshooting
1329I-5.0 Integrated Drive/Motor — January, 1999
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.
Display ribbon cable is not connected securely. 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.
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 oper-
ator control unit.
Function Loss input wiring is missing or incorrectly wired. Check Function Loss wiring (see Section 7.1).
Stop input is open. Close 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