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enphase Manuals
Inverter
M190
Troubleshooting manual
enphase M190 Troubleshooting Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Important Safety Information
Read this First
Product Labels
Safety and Advisory Symbols
Safety Instructions
General Safety
Microinverter Safety
Engage Cable and Accessory Safety
Overview
Envoy Not Reporting
Troubleshooting Topics
Envoy and Communications Issues
Envoy Issues
A Physical Ethernet Connection Is Not Practical at the Site
A Physical Ethernet Connection Is Not Practical at this Site
LCD Is Completely Blank
LCD Displays "Reset Clock
LCD Displays "Envoy Failure
LCD Displays "Scanning Inhibited
LCD Displays “Reset Clock”
Networking and Internet Issues
Issue: Wireless Adapter Wi-Fi Problems
Issue: How Set up Wi-Fi Without Wi-Fi WPS
LCD Shows a Non-Routable/Self-Assigned IP Address and Shows "-Web
LCD Shows a Non-Routable/Self-Assigned IP Address and also Shows "-Web
The Envoy Cannot Get a “+Web” Even Though All Premises Networking Is Intact
The Envoy Is Using a Static IP and Cannot Get a Web Connection
LCD Periodically Shows "-Web" for Minutes or Hours at a Time
LCD Shows a Valid IP, but also Shows "-Web
The Router or DSL Modem at the Site Has Only One Ethernet Port
LCD Shows a Good IP, but also Shows "-Web
The DSL Modem at the Site Has Only One Ethernet Port, and It Is Being Used
Internet Service Is Not Available on Site
Are My Power Line Communication Bridges Working
Issue: Internet Traffic Is Slower after Installing a Bridge
Asoka PL9650
Asoka PL9660-Q1
Readynet EN200
Tenda P200
The Envoy Cannot Get a "+Web" Even Though All Premises Networking Is Intact
Can I Use a Dial-Up Internet Connection with the Envoy
LCD Shows a Non-Routable/Self-Assigned IP Address and also Shows “-Web”
Power Line Communication Issues between the Envoy & Microinverters
Microinverters Are Not Detected, Or, Power Line Communication Level Is Low or Poor
Microinverters Are Not Detected / Power Line Communication Level Is Low/Poor
How to Identify an Interfering Load
The Envoy Is in a Circuit on the Primary Load Center, the Solar Circuits Are on a Downstream Subpanel
The Envoy Is in a Circuit on the Primary Load-Center, the Solar Circuits Are on a
Downstream Subpanel
Power Line Communications with a Line-Side Tap (or Supply-Side, or PLC) Installation
Multiple Envoys and Filtering
Using a Transformer to Isolate Communication Domains
This Is a Line-Side Tap (or Supply-Side, or PLC) Installation
When Do I Need an Additional Envoy
Using an Aftermarket Filter to Isolate Communication Domains
How to Get Training on Enphase Power Line Communication
How to Get Further Training on Enphase Power Line Communication
Microinverter and PV Module Issues
Microinverter Leds
Startup LED Operation
Post-Startup LED Indications
The Microinverter Leds Are Flashing Red
The Microinverter Leds Are Flashing Orange
The Microinverter Leds Are Not Lit
The Envoy Is Slowing down Other Internet Traffic
Power Production
The Unit under Review Shows Low Production
One Unit Shows 0W of Production but Adjacent Units Are Productive
Why Is One Unit Showing 0W Production When Adjacent Units Are Productive
About Open-Circuit Voltage
Other Checks
Notes on Open Circuit Voltage
Other Things to Check
The PV Modules Are Dark and no Production Displays in Enlighten
Enlighten Does Not Allow Me to Select the PV Module
View the PV Module Production History
Run a Report to View Production History
My Panels Are Dark in Enlighten and no Production Value Is Displayed
Enlighten will Not Allow Me to Select the Panel
I Would Like to See My Panel's Production History
View Module Production History
There Is an Event or Alert Message on the System
Use the Graph Widget to View Production History
Messages and Alerts
ACFOOR (AC Frequency out of Range)
ACFOOR (AC Frequency out of Range)
ACVOOR (AC Voltage out of Range)
ACVOOR in an Entire Branch or Multiple Branches
When an Entire Branch or Multiple Branches Are Impacted
ACVOOR in Only a few Microinverters
When Only a few Microinverters Are Impacted
Critical Temperature
DC Resistance Low - Power off
DC too Low
DC too High
Device Produced no Power
Envoy Not Reporting
Gateway Failure
GFI Tripped
Grid Gone
Microinverter Failed to Report
Over Temperature
Zigbee Device Failed to Report
Zigbee USB Stick Removed
Best Practices
Installation Sequence
Care of the Solar Array
How Do I Clean the Solar Array
How Do I Maintain the Solar Array
Will a Grid-Tied Solar Array Provide Power During a Power Outage
Will the Array Provide Power During When It Is Snowing or Hailing
Can I Add Solar Panels to the Solar Power System Later
Other Questions
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Troubleshooting Topics
2
Microinverters Are Not Detected / Power Line Communication Level Is Low/Poor
3
DC too Low
4
Microinverter Failed to Report
Download this manual
See also:
Operation & Installation Manual
Troubleshooting an Enphase System
Installer's Guide to Troubleshooting
an Enphase System
2014 Enphase Energy Inc.
1
August 2014
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