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The aggregate power export limit feature set by the installer during commissioning overrides the <br />power export limit set in the specific Enphase grid profile; that is, when an aggregate power export <br />limit is entered by the installer in the Enphase Installer App, the power export limit present in the grid <br />profile is not utilized. <br />NOTE: Power export limiting works on an aggregate basis for all phases by default. <br />5.4.4 Failure modes and resolution <br />Table 6: Failure modes and resolution <br />Failure mode Resolution mechanism <br />One or more microinverters failed <br />or stopped communicating with the <br />IQ Gateway <br />If the IQ Gateway loses communication with the PV microinverter for <br />more than 10 seconds, the PV microinverter automatically curtails its <br />output current to the static safe limit (0 Watts). <br />Consumption CTs or IQ Meter Collar <br />not reporting the correct <br />value or missing Consumption <br />CTs/IQ Meter Collar <br />The PV production from each of the microinverters automatically <br />defaults to the safe limit (0 Watts). <br />IQ Batteries move to an idle state (neither charge nor discharge). <br />PCS controller or IQ Gateway failure <br />If the PCS controller or IQ Gateway fails, the PV production curtails its <br />output current to the static safe limit (0 Watts) within 30 seconds of <br />losing communication. <br />IQ Batteries move to Idle state (neither charge nor discharge). <br />5.4.5 Configuring aggregate power export limit feature through the <br />Enphase Installer App <br />Under System Details, go to Site Configuration > PCS Export Limiting > Aggregate Power Export Limit. <br />On the Configuration Details screen, input the Aggregate Power Export Limit (W) and tap Next: PIM <br />Configuration to enable the feature, as shown in the following figure. <br />Enphase Power Control features <br />41 © 2025 Enphase Energy Inc. All rights reserved. August 2025 <br />TEB-00269-2.0-EN <br />5.4.6 Configuring aggregate PEL feature through the Enphase Installer Portal <br />Go to Systems > Activations > Configuration > PCS Based Limiting > Aggregate Power Export Limit > <br />Enable. <br />The following figure shows the configuration screen of the Enphase Power Control feature. <br />On the Configuration screen, input the Aggregate Power Export Limit (in W) and tap Enable to enable <br />the Enphase Power Control feature. <br />Enphase Power Control features <br />42 © 2025 Enphase Energy Inc. All rights reserved. August 2025 <br />TEB-00269-2.0-EN