2018-11-8 3 / 16
GROWATT NEW ENERGY Technology CO., LTD
Building B,Jiayu Industrial Zone, 28 Guangming
Road, Shiyan,Baoan District, Shenzhen,China
T / F + 86 755 2747 1900
www.ginverter.com
1. Introduction
There are four types of Wi-Fi modules, the difference is shown on below chart:
Difference
Old Wi-Fi
Wi-Fi-E(1)
Wi-Fi-E(2)
Wi-Fi-S
SN Begin
AHXXXXXXXX
4KXXXXXXXX
IUBXXXXXXXX
JPCXXXXXXX
Color
White
White
White
Black
LED
1LED
1LED
3LEDs(red,green,blue)
3LEDs(red,green,blue)
How to configure Via built in
webpage
Shinephone
app
Shinephone app
Shinephone app/built in
webpage
New and old time Stop production
at the end of
2015
Stop production
in Sep.2017
Start in Sep.2017
Start in Q1, 2018
Latest firmware
4.0.0.0
1.1.2.3
1.1.1.9
1.7.6.4
2. Troubleshooting
2.1 Wifi device is not powering on
There is a blue LED Indicator near the KEY position, take out the black cover to check its status.
If it is off, it means it is not getting power.
Picture2.1.1 blue LED
Solution:
Some models( (MTL-S) have a DIP switch at the right side of the RS232 port. Please turn the
pin1 to ON status, and keep pin 2 OFF. Please refer to the following picture:
