Rockwell Automation 1333 Drive, 3/4-5HP, 230-575V Series D - Manual (Page 120)

Preventive Maintenance and
Troubleshooting Common Drive Problems
Appendix B
B-13
5. The drive will not rampĆtoĆstop -- No fault is displayed.
Is Parameter 11 Stop Select set to rampĆtoĆstop? Set Parameter 11 to 0.
Yes
Does Parameter 59 show an OU fault stored?
Yes
The drive is tripping on overvoltage during decel. Refer to page BĆ3.
No
No
Is the DC Hold Frequency set to high -- Is parameter 12 set to 00.50 Hz?
No
Set Parameter 12 to 00.50 Hz.
Yes
Is Parameter 18 Decel Frequency Hold on -- Does the motor have an
overhauling load?
Yes
No
If Parameter 18 Decel Frequency Hold is set to 1 (On), an overhauling load
may cause the decel ramp to hold at one frequency for an extended period.
This may cause rampĆtoĆstop commands to appear to be nonĆfunctional.
Contact your nearest AĆB representative for application assistance.