The after service for horizontal stretch wrapper

The horizontal stretch wrapper machine is running good during past 4 years.

Since last week we are facing a problem in our packing machine I.
The pictures of the faulty condition is attached with this email.

We initially though this is communication problem between HMI and PLC.
So we checked its cable and changed the cable with new and still the problem persist.

Even the input signal status is not being shown here as well as the parameters on the screen (function menu) is showing with ###.

Can you suggest what could be the problem for this and how to correct the same.

Apart from this we are frequently getting a fault signal F0002 – Over voltage in Packing Ring VFD.
This is happening in both the drives.
Please discuss with your engineer and let us know whether any parameter should be changed to solve this problem.

 

Automatic strapping machine for pallet, cotton…

 

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