Issue:
What causes Internal Error 27 InFr on Altivar Process Drives?

 Product Line:
Altivar Process Drives

Environment:
All

Cause
Diagnostics in CPLD (memory module) detected an error.


Resolution:
This detected error requires a power reset.  Power down the drive until the display has gone completely blank.  If the issue resumes, check the control power on the Digital Inputs +24 to COM and +10 to COM.  Currently (2019) all spare parts are only available through Field Services, as safety documentation is not yet available.  Contact Drive Products Support at 888-778-2733 for further assistance.