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Error Code - 6404 - Overcurrent (L1,L2,L3) Error

 


SMA CP-Series 6404 Fault Troubleshooting


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1. Notes:


1. Note 1: A CP-10 uses Semikron cubes and a list of compatible exchanges is provided in this report.

2. Note 2: The CP-US series inverter does not display blink codes and therefore cannot be self-diagnosed in the field. This                 unit requires a data review to diagnose, contact us for support.

a. The SMA CP-US Hummel cubes can be replaced with a Semikron set. Contact us for procedures so we can get your unit back online.






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