Goodwe MT G2 Series - User Manual

Goodwe MT G2 Series

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MT G2 SERIES USER MANUAL

SOLAR INVERTER

SEMS Portal App

LinkedIn

SolarGo App

Oﬃcal Website

Ver 2.0

2021-08-20

GOODWE (Germany)

Fürstenrieder Str. 279a 81377 München, Germany

sales.de@goodwe.com

service.de@goodwe.com

GOODWE (Brazil)

Rua Abelardo 45, Recife/PE, 52050-310

sergio@goodwe.com

servico.br@goodwe.com

GOODWE (Netherlands)

Franciscusdreef 42C, 3565AC Utrecht, the Netherlands

sales@goodwe.com

service.nl@goodwe.com

GOODWE (UK)

6 Dunhams Court, Dunhams Lane, Letchworth

Garden City, SG6 1WB UK

enquiries@goodwe.com.uk / service@goodwe.com.uk

GOODWE (India)

1202, G-Square Business Park, Sector 30A, Opp. Sanpada

Railway Stn., Vashi, Navi Mumbai- 400703

sales@goodwe.com / service.in@goodwe.com

GOODWE (Italy)

Via Cesare Braico 61, 72100 Brindisi, Italy

valter.pische@goodwe.com (sales)

operazioni@topsenergy.com; goodwe@arsimp.it (service)

GOODWE (Turbutton)

Adalet Mah. Megapol Tower K: 9 No: 110 Bayraklı - Izmir

info@goodwe.com.tr

service@goodwe.com.tr

GOODWE (Australia)

Level 14, 380 St. Kilda Road, Melbourne,

Victoria, 3004, Australia

sales@goodwe.com / service.au@goodwe.com

GOODWE (Mexico)

Oswaldo Sanchez Norte 3615, Col. Hidalgo, Monterrey,

Nuevo Leon, Mexico, C.P. 64290

sales@goodwe.com / soporte.latam@goodwe.com

GOODWE (Korea)

8F Invest Korea Plaza, 7 Heoleung-ro

Seocho-gu Seoul Korea (06792)

sales@goodwe.com / Larry.Kim@goodwe.com

GOODWE (China)

No. 90 Zijin Rd., New District, Suzhou, 215011, China

T: 400-998-1212

sales@goodwe.com (sales)

service@goodwe.com (service)

Note: The information above is subject to change without prior notice, for details refer to

www.goodwe.com

340-00566-01

Questions and Answers

L
Lisa HarrellAug 17, 2025
How to fix Goodwe Inverter Wi-Fi module if it fails to connect to the network?
- S
  stephensonheatherAug 17, 2025
  If the Wi-Fi module fails to connect to the network after entering the correct router hotspot and password, the password might contain special characters not supported by the module. Change the password to include only Arabic numerals or uppercase/lowercase letters.
K
Kevin MyersAug 22, 2025
What to do if my Goodwe Inverter has Relay-Check Failure?
- B
  bcannonAug 22, 2025
  If your Goodwe Inverter shows a Relay-Check Failure: 1. Turn off the DC switch of the inverter. 2. Wait until the inverter's LCD light is off. 3. Turn on the DC switch and ensure it is connected.
J
Justin ChristensenAug 25, 2025
What to do if my Goodwe Inverter shows 'Utility Loss'?
- D
  Danielle PatelAug 25, 2025
  If your Goodwe Inverter displays a 'Utility Loss' error, it means it's not connected to the power grid. First, check if the power grid cable is properly connected. Also, verify the availability of the power grid itself.
A
Abigail GreenAug 27, 2025
Why is my Goodwe MT G2 Inverter showing a 'Vac Failure'?
- R
  Robert TannerAug 28, 2025
  A 'Vac Failure' on your Goodwe Inverter indicates a grid voltage issue. The inverter should automatically restart within 5 minutes if the grid returns to normal. Ensure the grid voltage conforms to the specified requirements and that the neutral (N) and protective earth (PE) wires are securely connected.
A
Andrew RichardsonAug 30, 2025
How to fix a 'Fac Failure' on a Goodwe MT G2?
- M
  Mary MillerAug 30, 2025
  If your Goodwe Inverter is showing 'Fac Failure', this means the grid is not connected. Check the grid connection cables and verify the availability of the grid.
B
Billy BraySep 2, 2025
What to do if my Goodwe MT G2 is overheating?
- W
  William TorresSep 2, 2025
  If your Goodwe Inverter is experiencing an 'Over Temperature' error, it means the internal temperature is higher than the specified normal value. Try to reduce the ambient temperature or move the inverter to a cooler location.
D
David ThomasSep 4, 2025
What does 'Ground I Failure' mean on my Goodwe MT G2 Inverter?
- S
  Stephen LongSep 4, 2025
  If your Goodwe Inverter displays 'Ground I Failure', it indicates that the ground current is too high. Disconnect the inputs from the PV generator and inspect the peripheral AC system. Once the problem is resolved, reconnect the PV panel and check the Inverter status.
V
veronica75Sep 7, 2025
Why is my Goodwe Inverter showing 'PV Over Voltage'?
- C
  Courtney OlsonSep 8, 2025
  If your Goodwe Inverter is showing 'PV Over Voltage', verify that the PV open circuit voltage is not higher or too close to the maximum input voltage.
S
Stephen WilliamsonSep 10, 2025
How to troubleshoot a 'Relay-Check Failure' on a Goodwe Inverter?
- R
  randall54Sep 10, 2025
  If your Goodwe Inverter displays 'Relay-Check Failure', turn off the DC switch of the inverter and wait until the LCD light turns off. Then, turn the DC switch back on, ensuring it is properly connected.
C
Charles SmithSep 13, 2025
What does 'Isolation Failure' mean on my Goodwe MT G2 Inverter?
- A
  Alison GriffithSep 13, 2025
  If your Goodwe Inverter displays 'Isolation Failure', check the impedance between Ground and PV (+) & PV (-). The impedance value must be greater than 100k?. Also, ensure the inverter is properly earthed.

Goodwe MT G2 Series Specifications

General

Max. DC Input Voltage	1100 V
THDi	< 3%
Power Factor	0.8 leading - 0.8 lagging
Input Voltage Range	200 V - 1000 V
MPPT Voltage Range	200 V - 850 V
AC Output Frequency	50 Hz / 60 Hz
Operating Temperature Range	-30 ~ +60 °C
Communication	RS485, Ethernet

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