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

Page 69

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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

P036

[Start Source]

matches your configuration.

Verify that

A095

[Reverse

Disable] is not prohibiting
movement.

Improper boost setting at initial
start-up.

None

Set

A084

[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.

Set parameter

P036

[Start

Source] to option 0 “Keypad”.

Set parameter

A051

-

A052

[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.

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