Common symptoms and corrective actions – Rockwell Automation 22F PowerFlex 4M User Manual FRN 1.xx - 2.xx User Manual

Page 77

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Troubleshooting

4-5

PowerFlex 4M Adjustable Frequency Drive FRN 1.xx - 2.xx User Manual

Publication 22F-UM001D-EN-E

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

P106

[Start Source]

matches your configuration.

Verify that

A434

[Reverse

Disable] is not prohibiting
movement.

Improper boost setting at initial
start-up.

None

Set

A453

[Boost Select] to option 2

“35.0, VT”.

Drive is Faulted

Flashing red status light

Clear fault.

Press Stop

Cycle power

Set

A450

[Fault Clear] to option 1

“Clear Faults”.

Cycle digital input if

t201

-

t202

[Digital Inx Sel] is set to option 7
“Clear Fault”.

Cause(s)

Indication

Corrective Action

Integral keypad is not enabled. Green LED above Start key is

not illuminated.

Set parameter

P106

[Start

Source] to option 0 “Keypad”.

Set parameter

t201

-

t202

[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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