Rockwell Automation Publication 280E-PM001A-EN-P – August 2011 67
Appendix
A
Diagnostic and Fault Reference Data
Below are fault descriptions for the various faults that can occur.
Short Circuit
Short Circuit indicates that the Bulletin 140M motor protection has tripped, or
that the internal wiring protection algorithm has detected an unsafe current
surge. This fault cannot be disabled.
Overload Trip
The load has drawn excessive current and based on the overload trip class
selected, the device has tripped. This fault cannot be disabled.
Phase Loss
Indicates a missing supply phase. This fault can be disabled and is disabled
by default.
Phase Short
Indicates the drive has detected a phase short. This fault cannot be disabled.
Ground Fault
Indicates the drive has detected a ground fault. This fault cannot be disabled.
Stall
Indicates the drive has detected a stall condition, indicating the motor has not
reached full speed. This fault cannot be disabled.
Control Power
Indicates a loss of control power voltage or a blown control power circuit. This
fault can be disabled and is disabled by default.
I/O Fault
This error can indicate a shorted sensor, shorted input device, or input wiring
mistakes
. It can also indicate a blown output fuse. This fault can be disabled and is
disabled by default.
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