LG A1C-V5 Series Installation Manual page 88

An array of AC modules
D. Investigate the distribution panel and find out the circuit breaker that works only for the branch where all
of AC modules are attached. Then turn the circuit breaker off.
E. Disengage the AC connectors for the last module which is connected with the AC junction box. For this
step, make sure that the circuit breaker is properly turned off. Do not disconnect the AC cable connectors
under load.
F. During a daytime, check whether the LED blinks red or shows no lights. And keep the LED status in mind
or write it down on your notes.
Grid connectivity
LED Status
Rev. 1.0
AC Module System Installation Manual
or
F : Check LED status
Grid connection
(5 min. after grid connection)
LED off
Red Blinking LED
Red Blinking LED
LED off
E
AC junction box
Grid disconnection
LED off
LED off
Red Blinking LED
Red Blinking LED
Meter
D
G
N L1 L2
Distribution panel
Case
abnormal A
abnormal B
abnormal C
normal
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