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Some of the modules in my app say NC, what does that mean?

NC means “Not Communicating”. If there is snow covering those panels, they will often report as NC to the ECU. Once the snow clears, they will automatically resume production and the status will change.  If the panels are not covered in snow, your modules are more than likely still producing power, but the micro-inverter has just lost its communication to your ECU (Energy Communication Unit). This does happen from time to time, and will often correct itself after 24-48 hours.

If the issue persists for longer than 48 hours, please email us at support@zenorenewables.zendesk.com so we can investigate the issues further.