Enphase Environ Installationshandbuch

Reference ManualTroubleshooting an Enphase Microinverter System

10 Copyright © Enphase Energy, Inc. 2011 06/15/20117. Click “Administration”, and when prompted for credentials, enter the username as ad-min and the

11 Copyright © Enphase Energy, Inc. 2011 06/15/2011Module Failed to ReportThe microinverter reporting this condition is unable to communicate with the

12 Copyright © Enphase Energy, Inc. 2011 06/15/2011ENVOY and Communications IssuesThe following sections describe possible prob-lems and solutions. Ar

13 Copyright © Enphase Energy, Inc. 2011 06/15/2011Internet Problems (Local Area Networking)The Enphase ENVOY operates just as another computer would

14 Copyright © Enphase Energy, Inc. 2011 06/15/20113. If power line communication bridges (from Enphase) are being used, check that all three LEDs ar

15 Copyright © Enphase Energy, Inc. 2011 06/15/2011connection at a time.LCD shows a good IP, but also shows “-Web”This means that the Envoy has no con

16 Copyright © Enphase Energy, Inc. 2011 06/15/2011• Purchase an air card compatible router (e.g., Cradlepoint MBR 900 or MBR 1000). Plug the air car

17 Copyright © Enphase Energy, Inc. 2011 06/15/2011The Envoy is using a static IP and cannot get a web connectionIf the site owner prefers not to use

18 Copyright © Enphase Energy, Inc. 2011 06/15/2011At power-up, the Envoy performs a power line communication check to determine the strength of the s

19 Copyright © Enphase Energy, Inc. 2011 06/15/2011• Try to determine the source of the interfering load by isolating the Enphase signal from other s

ContentsEnlighten Messages and Alerts 4ACFOOR (AC Frequency Out of Range) 4ACVOOR (AC Voltage Out of Range) 5Critical Temperature 7DC Too Low 8D

20 Copyright © Enphase Energy, Inc. 2011 06/15/20115. Is the system energized? The PV module powers the microinverter. PV modules provide power only

21 Copyright © Enphase Energy, Inc. 2011 06/15/2011The Envoy is in a circuit on the primary load-center, but the solar circuits are on a downstream su

22 Copyright © Enphase Energy, Inc. 2011 06/15/2011Another option, in the case where the Envoy is on the premises wiring system, is to use a pair of w

23 Copyright © Enphase Energy, Inc. 2011 06/15/2011Microinverter / PV Module Issues This section provide a means of isolating fail-ures within microin

24 Copyright © Enphase Energy, Inc. 2011 06/15/2011Check AC voltages• Are all of the phase conductors running to the microinverter branch circuits sh

25 Copyright © Enphase Energy, Inc. 2011 06/15/2011Power ProductionIn this section, you will be using Enlighten for most troubleshooting procedures.Th

26 Copyright © Enphase Energy, Inc. 2011 06/15/2011Check DC measurementsYou can use Enlighten to gain a more detailed analysis of the problem. The DC

27 Copyright © Enphase Energy, Inc. 2011 06/15/2011• The M190 and D380 models require DC voltage of at least 28V to start up the inverter. • The M21

28 Copyright © Enphase Energy, Inc. 2011 06/15/2011My panels are dark in Enlighten and no production value is displayedModules that are shaded gray, w

29 Copyright © Enphase Energy, Inc. 2011 06/15/2011You can also generate reports for specic modules. To access the per module reports menu, select th

Communication Issues between Envoy & Microinverters (Power Line Communication) 17Inverters are not detected / Power line communication level is lo

4 Copyright © Enphase Energy, Inc. 2011 06/15/2011Troubleshooting An Enphase InstallationThis document describes trouble-shooting ows and procedures

5 Copyright © Enphase Energy, Inc. 2011 06/15/2011ACVOOR (AC Voltage Out of Range)The inverter reports that the AC voltage coming from the utility is

6 Copyright © Enphase Energy, Inc. 2011 06/15/20114. Verify that the service entrance power is not coming from a 240 Vac “DELTA” or 240 Vac “STINGER”

7 Copyright © Enphase Energy, Inc. 2011 06/15/2011on a branch circuit the rst three units are ne, but the remaining 8 or 9 units on the branch are i

8 Copyright © Enphase Energy, Inc. 2011 06/15/2011DC Too LowThe inverter reports that DC input voltage from the PV module is too low. This is a normal

9 Copyright © Enphase Energy, Inc. 2011 06/15/2011Envoy/EMU not ReportingThe broadband Internet connection that the Enphase Envoy uses to communicate