LEESON FHP Series NEMA 4x Variable Speed Drive - Manual (Page 51)

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Before troubleshooting
Perform the following steps before starting any procedure in
this section:
• Disconnect AC voltage input from the drive. Wait 60
seconds for power to discharge. The green POWER LED
will blink while power is discharging.
• Check the drive closely for damaged components.
• Check that no wire, chips, or other foreign material has
become lodged on the printed circuit board.
• Verify that every connection is correct and in good
condition.
Warning
Dangerous voltages exist on the drive when it is
powered, and up to 60 seconds after power is
removed and the motor stops.
When possible,
disconnect the voltage input from the drive while
troubleshooting. BE ALERT. High voltages can cause
serious or fatal injury.
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Troubleshooting