Issue:
Fault code ILF: Internal Link Fault
Product Line:
Altivar 61/71
Environment:
All models and serial numbers
Cause:
This fault appears when the communication between the option board and drive is interrupted
Resolution:
Internal serial link fault.
Check the +24v dc on control terminal board
Check the environment (electromagnetic compatibility).
Check the connections to make sure there are no shorts on terminal side.
Replace the installed option board.
Change the control terminal pod
Change the Main control board.
Fault code ILF: Internal Link Fault
Product Line:
Altivar 61/71
Environment:
All models and serial numbers
Cause:
This fault appears when the communication between the option board and drive is interrupted
Resolution:
Internal serial link fault.
Check the +24v dc on control terminal board
Check the environment (electromagnetic compatibility).
Check the connections to make sure there are no shorts on terminal side.
Replace the installed option board.
Change the control terminal pod
Change the Main control board.
Released for: Schneider Electric Philippines
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