Rockwell Automation 1302 575v AC Drive - Canada Only - Manual (Page 82)

9–4 Troubleshooting
Publication 1302-5.0 — January, 1998
= OVERCURRENT
The Drive's 200% current rating has been exceeded.
Possible Cause Corrective Action
Short in the Drive outputs. Verify that the Drive's input and output wiring are
properly connected. Refer to chapter 5.
Ground fault condition. Verify that the Drive's input and output wiring are
properly connected. Refer to chapter 5.
Verify that the output wiring to the motor is not
connected to ground or any other voltage source.
Refer to chapter 5.
Instantaneous overcurrent resulting in 200% rated
Drive current.
Increase the acceleration time in FĆ01 or the
deceleration time in FĆ02. Refer to chapter 8 for
parameter descriptions.
Adjust the current limit level in FĆ05 if it is too low or
too high relative to the load. Make the adjustments
in 5% increments.
= THERMOSTAT / DRIVE OVERLOAD
The internal thermostat detected excessive temperatures in the Drive. Note that the fault will not clear until
the internal drive temperature is backwithin range. This may take a few seconds.
Possible Cause Corrective Action
The Drive's operating specifications have been
exceeded.
Checkthe application and change the carrier
frequency in FĆ10. Refer to chapter 8 for the
parameter description.
The ambient operating temperature of the Drive has
been exceeded. See Appendix A.
Checkthe temperature at the installation site. Move
the Drive to a cooler location.