Rockwell Automation 1302 575v AC Drive - Canada Only User Manual

Page 82

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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.

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