Page 6.1 - 4 COMBIVERT F5-A, -E, -H © KEB, 2012-10
Preparatory Measures
6.1.3 Checklist prior to start-up
Before switching on the inverter go through the following checklist.
Is the inverter rmly bolted in the control cabinet?
Is there enough space to ensure sufcient air circulation?
Are mains and motor cables as well as the control cables installed separately from each other?
Are the inverters connected to the correct supply voltage?
Are all mass and earthing cables attached and well contacted?
Ensure that mains and motor cables are not interchanged as that will lead to the destruction of
the inverter!
Is the motor connected in phase?
Check tacho, initiator and encoder for rm attachment and correct connection!
Check, whether all power and control cables are rmly in place!
Remove any tools from the control cabinet!
Attach all covers and protective caps to ensure that all live parts are secured against direct contact.
When using measuring instruments or computers an isolating transformer should be used, if not,
make sure that the equipotential bonding between the supply lines is guaranteed!
Open the control release of the inverter to avoid the unintended starting of the machine.
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