Fault

Possible cause

Eliminating the fault

Only for electric trolley EF: Trolley does not run in either direction, drive does not audibly switch on when activated on the pendant control

No mains voltage.

Check the electrical connection. See Connecting the drive to an ABUS crane or Connecting the drive to crane installations not made by ABUS.

Electrical connection is not correct.

Check the rotary field and phases. See Connecting the drive to an ABUS crane or Connecting the drive to crane installations not made by ABUS.

Fuses are defective.

Check fuses.

Plug-in connection is not properly inserted.

Ensure the plug-in connection is fully inserted. See Connecting the drive to an ABUS crane or Connecting the drive to crane installations not made by ABUS.

Broken conductor in the control cable.

Replace the control cable.

Pendant control is defective.

Replace the pendant control.

Only for electric trolley EF: Trolley does not run in either direction, drive audibly switches on when activated on the pendant control.

Electrical connection is defective (2-phase running).

Check the electrical connection. See Connecting the drive to an ABUS crane or Connecting the drive to crane installations not made by ABUS.

Fuse is defective.

Check the electrical connection.

Connections on the drive: brake and star points are interchanged.

Connect the drive correctly. See Connecting the drive to an ABUS crane or Connecting the drive to crane installations not made by ABUS.

Contactor is defective.

Replace contactor.

Only for electric trolley EF: Trolley starts sluggishly.

Brake does not disengage.

See next point.

Only for electric trolley EF: Brake does not disengage.

Electronics for brake are defective.

Measure the DC voltage on the brake. The voltage must be 180 V. If it is not, replace the electronics for the brake.

Brake coil is defective.

Measure the electrical throughput. If the brake coil has no throughput, replace it.

Only for electric trolley EF: Trolley only runs in one direction.

Switch block in pendant control is defective.

Replace the switch block.

Broken conductor in the control cable.

Replace the control cable.

Contactor is defective.

Replace contactor.

I-beam declines too far in one direction.

Align I-beam.

If present: Travel limit switch activated.

Check the travel limit switch.

Trolley is not running smoothly.

Flange is heavily soiled.

Clean the flange.

Debris on flange.

Remove debris.

Bearing on wheel is defective.

Replace bearing or side panel.