Apsystems Technical Support; Maintenance - APsystems QT2D User Manual

6. Troubleshooting

6.5 APsystems Technical Support

APsystems local Technical Support team is available to support professional installers to get
familiar with our products and to troubleshoot installations when needed.
Do not attempt to repair APsystems Microinverters. Please contact your local
APsystems Technical Support.
①. Never disconnect the DC wire connectors under load. Ensure that no current is
flowing in the DC wires prior to disconnecting.
②. Always disconnect AC power before disconnecting the PV module wires from the
APsystems Microinverter.
③. The APsystems Microinverter is powered by PV module DC power. AFTER
disconnecting the DC power, when reconnecting the PV modules to the
Microinverter, be sure to watch for the quick red light followed by ten short green
LED flashes.

6.6 Maintenance

APsystems microinverters do not require any specific regular maintenance.
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