My KEB F5 Inverter Over Current (OC) problem

I have a Keb Inverter all Ok when electronics test. but when i install full setup and run the Injection Molding Haitian Machine the machine seen OC Error. How to solve.
 
It's taken that this is a variable frequency drive (VFD).

One incident some years ago related to another drive tripping on overcurrent (OC). The mechanical engineer said it was an electrical fault - the control engineer examined the fault codes on the VFD and stated the drive was protecting the motor from overcurrent as the machine bearings had almost siezed ! [from lack of lubrication].

It would suggest here that your Molding Machine has similar mechanical difficulties.
 
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