Maintenance And Service/Troubleshooting - BONFIGLIOLI Active Cube Series Complement To Operating Instructions

(size 8) before starting any electrical or mechanical work on the frequency inverter. Even after
this waiting time, make sure that the equipment is deenergized in accordance with the safety
rules before starting the work.
 In order to avoid accidents or damage, only skilled personnel and electricians may carry out the
work such as installation, commissioning or setup.
 In the case of a defect of terminals and/or cables, immediately disconnect the frequency inverter
from mains supply.

Persons not familiar with the operation of the frequency inverter and children must not have ac-
cess to the device.
 Do not bypass nor decommission any protective devices.
 The frequency inverter may be connected to power supply every 60 s. This must be considered
when operating a mains contactor in jog operation mode. For commissioning or after an emer-
gency stop, a non-recurrent, direct restart is permissible.
 After a failure and restoration of the power supply, the motor may start unexpectedly if the Auto-
Start function is activated.
If staff are endangered, a restart of the motor must be prevented by means of external circuitry.
 Before commissioning and the start of the operation, make sure to fix all covers and check the
terminals. Check the additional monitoring and protective devices according to EN 60204 and ap-
plicable the safety directives (e.g. Working Machines Act or Accident Prevention Directives).
2.9.6

Maintenance and service/troubleshooting

 Visually inspect the frequency inverter when carrying out the required maintenance work and in-
spections at the machine/plant.
 Perform the maintenance work and inspections prescribed for the machine carefully, including the
specifications on parts/equipment replacement.
 Work on the electrical components may only be performed by a qualified electrician according to
the applicable rules of electrical engineering. Only use original spare parts.
 Unauthorized opening and improper interventions in the machine/plant can lead to personal injury
or material damage. Any repair work may only be carried out by the manufacturer or persons ap-
proved/licensed by the manufacturer. Any repair work must be carried out by qualified electri-
cians. Check protective equipment regularly.
 Before performing any maintenance work, the machine/plant must be disconnected from mains
supply and secured against restarting. The five safety rules must be complied with.
12 Liquid Cooling ACU / ANG /AEC 11/17