Micro Inverter Detection Issues - LG A1 Series Installation Manual

5-4 Micro Inverter Detection Issues

Troubleshoot power line communication issues as follows
Issue : When the number of detected AC modules is not matched with the number of installed AC modules.
 'Detected AC modules' is smaller than 'Installed Number'.
Follow below check list..
 Rescan AC modules using the app and let the EnerBox2 find all of installed AC modules.
 Check LED status.
Grid connectivity
LED Status
Abnormality case A,B
A. Check that the solar panel is actually getting sunlight. If it persists continuously, contact LG Electronics to
replace the product.
Abnormality case C
A. Measure voltages.
B. Measure frequencies.
C. Measure ambient temperature and check if it is in the range of -40 to 65 °C (-40 to 145 ℉).
D. Please check that all of AC cable connectors are properly connected.
If problems persists despite of the above measure, follow steps below.
 Relocate the EnerBox2 to a location where few home appliances are installed. Or allow the
EnerBox2 to occupy an outlet exclusively.
 Install another EnerBox2 inside a sub-panel or a distribution panel.
Rev. 1.5
AC Module System Installation Manual
or
Check LED status
Grid connection
(5 min. after grid connection)
LED off
Red Blinking LED
Red Blinking LED
LED off
Grid disconnection
LED off abnormal A
LED off abnormal B
Red Blinking LED abnormal C
Red Blinking LED
Case
normal
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