M215 Installation and Operation
2013 Enphase Energy Inc. 141-00012 Rev 05
11. Verify the PV module DC voltage is within the allowable range shown in the Technical Data
section on page 26 of this manual.
12. Swap DC leads with a known good, adjacent PV module. If after checking Enlighten
periodically (this may take up to 30 minutes), the problem moves to the adjacent module, this
indicates that the PV module isn’t functioning correctly. If it stays in place, the problem is with
the microinverter. Call Enphase Customer Support for help in reading the microinverter data
and for help in obtaining a replacement microinverter, if needed.
13. Check the DC connections between the microinverter and the PV module. The connection
may need to be tightened or reseated. If the connection is worn or damaged, it may need
replacement.
14. Verify with your utility that line frequency is within range.
15. If the problem persists, contact Customer Support at support@enphase.com.
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