LEESON Chassis Mount PWM Control: 175292.00 - Manual (Page 39)

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Before troubleshooting
Perform the following steps before starting any procedure in this
section:
1. Disconnect DC voltage input from the drive.
2. Check the drive closely for damaged components.
3. Check that no conductive or other foreign material has become
lodged on the printed circuit board.
4. Verify that all connections are correct and in good condition.
5. Verify that there are no short circuits or grounded connections.
6. Check that the drive’s rated armature voltage and current is
consistent with the motor ratings.
For additional assistance, contact your local LEESON distributor, or
the factory direct:
Phone: (262) 377-8810; Fax: (262) 377-3440.
Warning
Dangerous voltages exist on the drive when it is powered, and
up to 30 seconds after power is removed and the motor stops.
When possible, disconnect the drive while troubleshooting.
High voltages can cause serious or fatal injury.
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Troubleshooting