Troubleshooting, Before troubleshooting – LEESON Chassis Mount SCR Control User Manual
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SPEEDMASTER™ OPERATION MANUAL
Warning
Dangerous voltages exist on the drive when it is powered.
When possible, disconnect the drive while troubleshooting.
High voltages can cause serious or fatal injury.
ƽ
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 switch settings match the AC line
and maximum armature output voltages.
•
Check that the drive’s rated armature outputs are consistent
with the motor ratings.
Troubleshooting