APS YC500A-MIW Installation/User Manual
16
. . .TROUBLESHOOT A NON-OPERATING APS MICROINVERTER
3.
Check the AC branch circuit interconnection between all the
Microinverters. In rare cases, the wire in the AC plug may
have worked loose. This will need to be reviewed by a qualified
electrician. Verify each inverter is energized by the utility grid
as described in the previous step.
4.
Make sure that all AC breakers are functioning properly and
are closed.
5.
Check the DC connections between the Microinverter and the
PV module.
6.
Verify the PV module DC voltage is within the allowable range
shown in the Section 8 Technical Data of this manual.
7
. If the problem persists, please call APS Customer Support at
(206) 855-5100.
WARNING:
Do not attempt to repair the APS Microinverter. If
troubleshooting methods fail, please return the Microinverter to your
distributor for replacement.