Beckhoff AM3000 Manual do Utilizador descarregar pdf (Página 35)

Drive Technology 9 Commissioning

AM3000 / AM3500 Version: 1.5 35

Fault Possible cause Measures to remove the cause

of the fault

Motor doesn’t rotate

•

Servo drive not enabled

• Break in setpoint lead

• Motor phases in wrong

sequence

• Brake not released

• Drive is mechanically blocked

•

Supply ENABLE signal

• Check setpoint lead

• Correct the phase sequence

• Check brake control

• Check mechanism

Motor runs away

• Motor phases in wrong

sequence

• Correct the phase sequence

Motor oscillates

•

Break in the shielding of the

feedback cable

• Amplification to high

•

Replace feedback cable

• Use motor default values

Error message: brake

•

Short-circuit in the supply

voltage lead to the motor

holding brake

• Faulty motor holding brake

•

Remove the short circuit

• Replace motor

Error message: output stage

fault

• Motor cable has short circuit or

earth leakage

• Motor has short circuit or earth

leakage

• Replace motor cable

• Replace motor

Error message: feedback

•

Connector is not properly

plugged in

• Break in cable, cable crushed

or similar

•

Check connector

• Check cables

Error message: motor

temperature

• Motor thermostat has switched

• Loose connector or break in

cable

• Wait until the motor has

cooled down. Then investigate

why the motor becomes so

hot.

• Check connector, replace

cable if necessary

Brake does not grip

• Required holding torque too

high

• Brake faulty

• Check the dimensioning

• Replace motor

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