APsystems YC1000-3 Installation/User Manual
15
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. Install a replacement Microinverter to the rack.
C. Connect the AC cable of the replacement Microinverter and the
neighboring Microinverter to complete the branch circuit connections.
D. Close the branch circuit breaker, and verify operation of the replacement
Microinverter.
