APsystems YC1000-3 Installation/User Manual
17
Replace a microinverter
Qualified personnel can use the following troubleshooting steps if the PV system does not
operate correctly:
Follow the procedure to replace a failed APsystems Microinverter
A. Remove the APsystems microinverter from the PV Module, in the following order:
1.
Disconnect the AC by turning off the branch circuit breaker.
2.
Cover the module with an opaque cover.
3.
Disconnect the first AC connector in the branch circuit.
4.
Disconnect the PV module DC wire connectors from the microinverter.
5.
Remove the Microinverter from the PV array racking.
B. Remove the opaque cover, install a replacement Microinverter to the rack. Remember to
observe the flashing LED light as soon as the new Microinverter is plugged into the DC
cables.
C. Connect the AC cable of the replacement Microinverter.
D. Close the branch circuit breaker, and verify operation of the replacement Microinverter.
