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7 Commissioning and Operation
8 Troubleshooting and Maintenance
8.1 Status LED Indications and Error Reporting
Turn on the AC disconnect or circuit breaker for each micro inverter AC branch
circuit.
Turn on the main utility-grid AC circuit breaker. Your system starts producing power
after a five-minute wait time.
7.1 Energize the System
Please notice the symbols.
Qualified personnel only may connect the micro inverter to
the utility grid after receiving prior approval from the electrical
utility company.
Ensure that all AC and DC wiring is correct. Ensure that none
of the AC and DC wires are pinched or damaged. Ensure that
all AC junction boxes are properly closed.
WARNING
WARNING
7.2 Micro Inverter Operation
The micro inverter is powered on when sufficient DC voltage from the PV module is
applied. The status LED of each micro inverter will blink green to indicate normal
start-up operation approximately one minute after DC power is applied. You may
need to use a handheld mirror to view indicator lights on the undersides of the micro
inverters.
1.
2.
Adhere to all the safety measures described throughout this manual. Qualified
personnel can use the following troubleshooting steps if the PV system does not
operate correctly.
Do not attempt to repair the micro inverter; it contains no user-
serviceable parts. If the micro inverter fails, contact customer
service to obtain an RMA (return merchandise authorization)
number and start the replacement process.
WARNING
Startup LED Operation:
The Status LED of each micro inverter blinks green to indicate normal start-up
operation approximately one minute after DC power is applied.
Red blinks after DC power is first applied to the micro inverter, it is normal when the
micro inverter starup. After about 5mins, the self-inspection finish. The green LED
blinks 1 time per second, it indicates normal operation.
Post-Startup LED Indications
:
Use a handheld mirror to view indicator lights on the undersides of the micro
inverters:
Flashing Green:
Indicates normal operation.
Flashing Red:
Indicates that the micro inverter is
not operating normally
. The
micro inverter does not sense that the utility grid is within voltage / frequency
specifications. The micro inverter cannot produce power until it is resolved.
