enphase M250 Troubleshooting Guide

Troubleshooting an Enphase System
 2014 Enphase Energy Inc. August 2014
10
Topic
Page
How to get further training on Enphase power line communication
26
How to identify an interfering load
24
I would like to see my panel’s production history
31
Internet service is not available on site
18
LCD displays "Scanning Inhibited"
12
LCD displays “Reset Clock”
12
LCD is completely blank
12
Run a report to view production history
31
The DSL modem at the site has only one Ethernet port, and it is being used
17
The Envoy is in a circuit on the primary load-center, the solar circuits are on a
downstream subpanel
24
The Envoy is slowing down other Internet traffic
19
The Microinverter LEDs are flashing orange
28
The Microinverter LEDs are flashing red
28
The Microinverter LEDs are not lit
28
There is an event or alert message on the system
32
This is a Line-side Tap (or Supply-Side, or PLC) Installation
25
Use the Graph widget to view production history
32
When do I need an additional Envoy?
25
Zigbee Device Failed to Report
43
Zigbee USB Stick Removed
43
Best Practices
Installation sequence
44
Care of the solar array
44

enphase M250 Specifications

General

Model	M250
Manufacturer	Enphase Energy
Efficiency	96.5%
Output Voltage	240 V
Operating Temperature Range	-40°C to +65°C
Maximum Output Current	1.04 A
CEC Efficiency	96.0%
Start-up Voltage	22 V
Output Frequency	60 Hz
Enclosure Rating	IP67
Weight	1.6 kg