Troubleshooting – Rockwell Automation DC3N DC Drive User Guide, 1/4-2HP-115/230 VAC User Manual
Page 43
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Troubleshooting
Before troubleshooting
Perform the following steps before starting any procedure in this section:
• Disconnect AC line voltage from the drive.
• Check the drive closely for damaged components.
• Check that no conductive or other foreign material has become lodged on the
printed circuit board.
• Verify that every connection is correct and in good condition.
• Verify that there are no short circuits or grounded connections.
• Check that the voltage selection switch settings match the AC line and output
voltages.
• Check that the drive’s rated armature and field outputs are consistent with the
motor ratings.
ATTENTION:
This equipment is at line voltage when AC power is connected.
Disconnect and lockout all ungrounded conductors of the AC power line before
working on the unit. Failure to observe this precaution could result in severe
bodily injury or loss of life.
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