Common symptoms and corrective actions – Rockwell Automation 22A PowerFlex 4 User Manual FRN 6.xx User Manual
Page 69

Troubleshooting
4-5
Motor does not Start.
Drive does not Start from Integral Keypad.
Common Symptoms and Corrective Actions
Cause(s)
Indication
Corrective Action
No output voltage to the motor.
None
Check the power circuit.
•
Check the supply voltage.
•
Check all fuses and disconnects.
Check the motor.
•
Verify that the motor is
connected properly.
Check the control input signals.
•
Verify that a Start signal is
present. If 2-Wire control is used,
verify that either the Run
Forward or Run Reverse signal is
active, but not both.
•
Verify that I/O Terminal 01 is
active.
•
Verify that
[Start Source]
matches your configuration.
•
Verify that
[Reverse
Disable] is not prohibiting
movement.
Improper boost setting at initial
start-up.
None
Set
[Boost Select] to option 2
“35.0, VT”.
Cause(s)
Indication
Corrective Action
Integral keypad is not enabled. Green LED above Start key is
not illuminated.
•
[Start
Source] to option 0 “Keypad”.
•
-
[Digital Inx Select] to option 5
“Local” and activate the input.
I/O Terminal 01 “Stop” input is
not present.
None
Wire inputs correctly and/or install
jumper.