Goodwe MS Series - User Manual

Other manuals for Goodwe MS Series

Quick Installation Guide19 pages

Questions and Answers

S
Stephanie JohnsonSep 23, 2025
What to do if Goodwe Inverter displays Isolation Failure?
- T
  Travis TerrySep 23, 2025
  If your Goodwe Inverter displays an 'Isolation Failure' message, turn off the DC switch, and disconnect the DC and AC connectors. Check the impedance between PV (+) & PV (-) to earth. If the impedance is less than 100K?, check the insulation of the PV string wiring to the earth. If the impedance is larger than 100K?, further assistance is needed. Disconnect the AC connector and measure the impedance between the neutral wire and PE line. If it is larger than 10K?, check the AC wiring.
T
Terry GrayAug 25, 2025
What to do if my Goodwe MS shows 'PV Over Voltage'?
- C
  Curtis MitchellAug 25, 2025
  If your Goodwe Inverter displays a 'PV Over Voltage' error, follow these steps: First, turn off the DC switch, then disconnect both the AC and DC connectors. Check the PV string voltage to see if it exceeds the input voltage specified for your inverter. If it does, reconfigure the PV panel string. If the problem persists, contact your local service office for assistance.
S
Shane PrestonAug 25, 2025
What to do if my Goodwe MS Inverter shows 'Utility Loss'?
- K
  kimberlycampbellAug 26, 2025
  If your Goodwe Inverter shows a 'Utility Loss' message, take these steps: Begin by turning off the DC switch and disconnecting both the AC and DC connectors. Measure the voltage between the live line and neutral wire in the connector to ensure it meets grid-connected specifications. If it does not conform, check the distribution switch and grid for normal operation. If the voltage is within specification, reconnect the AC and DC connectors. Should the issue persist, contact your local service office.
T
Thomas BaileyAug 27, 2025
What to do if my Goodwe MS displays 'Isolation Failure'?
- D
  David TaylorAug 27, 2025
  If your Goodwe Inverter is showing an 'Isolation Failure', here’s what to do: First, turn off the DC switch, then disconnect both the DC and AC connectors. Check the impedance between PV (+) & PV (-) to earth. If the impedance is less than 100K Ohms, inspect the insulation of the PV string wiring to the earth. If the impedance is greater than 100K Ohms, contact your local service office. Also, disconnect the AC connector and measure the impedance between the neutral wire and PE line; if it is greater than 10K Ohms, check the AC wiring.
P
Paula WestAug 27, 2025
What should I do if my Goodwe Inverter shows 'Ground I Failure'?
- S
  sclarkAug 27, 2025
  If your Goodwe Inverter is displaying a 'Ground I Failure', follow these steps: First, turn off the DC switch, then disconnect both the DC connector and AC connector. Check the insulation of the PV string wiring to the earth. Restart the DC switch. If the problem continues, please contact your local service office.
R
randymartinezSep 16, 2025
How to fix Over Temperature error on Goodwe MS?
- E
  elizabeth31Sep 16, 2025
  If your Goodwe Inverter is showing an 'Over Temperature' error, turn off the DC switch and disconnect the AC and DC connectors. Try to reduce the ambient temperature around the inverter or move it to a cooler location. If the problem continues, further assistance is needed.
E
Eric NunezSep 13, 2025
What to do if Goodwe Inverter displays PV Overvoltage?
- R
  Ronald StephensSep 13, 2025
  If your Goodwe Inverter is showing a 'PV Overvoltage' error, begin by turning off the DC switch and disconnecting the AC and DC connectors. Check the PV string voltage to ensure it doesn't exceed the input voltage specified for your inverter. If it does, reconfigure the PV panel string. If the issue continues, seek further assistance.
S
Steven GuerreroSep 14, 2025
What to do if Goodwe MS displays Vac Failure?
- T
  Tiffany MurphySep 15, 2025
  If your Goodwe Inverter shows a 'Vac Failure', first turn off the DC switch and disconnect the AC and DC connectors. Measure the voltage between the live line and neutral wire in the connector to ensure it conforms to the inverter's grid-connected specification. If it does not, check the grid wiring. If it conforms, reconnect the AC connector and restart the DC switch, allowing the inverter to connect to the grid automatically. If the problem continues, further assistance is needed.
J
Jack HillSep 5, 2025
What should I do if my Goodwe Inverter displays a PV Over Voltage error?
- M
  Matthew MendozaSep 5, 2025
  If your Goodwe Inverter shows a PV Over Voltage error, check if the PV open circuit voltage is too close to or exceeds the maximum input voltage.
E
Emily LewisSep 3, 2025
What causes a Utility Loss error on a Goodwe MS Inverter?
- R
  Ruth JonesSep 3, 2025
  A Utility Loss error on your Goodwe Inverter means it is not connected to the grid. Check if the power grid cable is connected and verify the availability of the power grid.

Summary

About This Manual

Applicable Models

Lists the specific GoodWe inverter models covered by this user manual.

Target Audience

Specifies that the manual is intended for trained and knowledgeable technical professionals.

Symbol Definitions

Explains the meaning of various hazard and information symbols used throughout the manual.

Document Updates

Indicates the manual's version (V1.0) and that it is the first issue.

Important Safety Instructions

General Safety Precautions

General safety guidelines for installation, operation, and personal protective equipment.

DC Side Safety

Safety warnings and precautions specific to the DC input side of the inverter.

AC Side Safety

Safety warnings and precautions specific to the AC output side of the inverter.

Inverter Installation Safety

Safety warnings and guidelines related to the physical installation of the inverter.

Personnel Requirements

Specifies the necessary qualifications and training for personnel handling the equipment.

Product Introduction

Application Scenarios

Describes the intended use of the inverter in photovoltaic (PV) systems.

Circuit Diagram

Illustrates the internal electrical connections and components of the inverter.

Supported Grid Types

Lists the different types of electrical grids that the inverter is compatible with.

Inverter Appearance and Parts

Details the physical layout and identifies the various ports and components of the inverter.

Inverter Dimensions

Provides the physical dimensions of the inverter unit for installation planning.

Inverter Indicators

Explains the status indicators (Power, Operating, Faulty) on the inverter.

Inverter Nameplate Details

Describes the information presented on the inverter's nameplate label.

Check and Storage

Pre-Receiving Inspection

Instructions for checking the product's packaging and condition before acceptance.

Package Contents

Lists all the components and accessories included in the product package.

Storage Guidelines

Provides recommendations for storing the inverter safely and maintaining its condition.

Installation

Installation Requirements and Guidelines

Details environmental, site, mounting, and angle requirements for inverter installation.

Installation Tools

Lists the recommended tools required for performing the inverter installation.

Inverter Installation and Handling

Step-by-step instructions for physically installing and handling the inverter unit.

Electrical Connection

Electrical Connection Safety

Critical safety warnings and precautions to be followed before making electrical connections.

PE Cable Connection

Instructions for correctly connecting the Protective Earth (PE) cable to the inverter.

PV Input Cable Connection

Step-by-step guide for connecting the DC input cables from PV panels to the inverter.

AC Output Cable Connection

Instructions for connecting the AC output cable to the inverter and the grid.

Communication Setup

Overview of communication network setup and connecting optional communication cables.

RS485 Cable Connection

Details on how to connect the RS485 communication cable for data logging or multi-inverter setup.

Remote Shutdown Cable Connection

Instructions for connecting the remote shutdown cable for safety control.

CT Cable Connection

Steps for connecting the Current Transformer (CT) cable for anti-backfeed functionality.

DRED Cable Connection

Instructions for connecting the Demand Response Enabling Device (DRED) cable.

Communication Module Installation

Guide on installing optional communication modules (WiFi, LAN, etc.) into the inverter.

Equipment Commissioning

Pre-Power On Checks

Essential checks to perform before applying power to the inverter.

Power On Procedure

Step-by-step instructions for safely powering on the inverter and its associated components.

System Commissioning

Indicators and Buttons

Explanation of the inverter's status indicators and control buttons.

LCD Parameter Settings

Guide to configuring inverter parameters directly via the inverter's LCD interface.

LCD Button Menu Structure

Details the menu navigation and options available through the inverter's LCD interface.

Inverter Parameter Definitions

Explains the purpose and function of various configurable parameters within the inverter.

Firmware Upgrade

Instructions on how to upgrade the inverter's firmware using a USB flash disk.

SolarGo App Configuration

Guide to setting inverter parameters and managing the system using the SolarGo mobile app.

SEMS Portal Monitoring

Information on using the SEMS Portal for monitoring inverter and system performance.

Maintenance

Powering Off the Inverter

Steps for safely shutting down the inverter before performing maintenance or operations.

Removing the Inverter

Instructions for safely disconnecting and removing the inverter from its installation.

Inverter Disposal

Guidelines for the environmentally responsible disposal of the inverter.

Troubleshooting Guide

Provides common fault types and methods for diagnosing and resolving issues.

Routine Maintenance Schedule

Recommended periodic maintenance tasks and their suggested frequencies.

Technical Parameters

Goodwe MS Series Specifications

General

Power Range	3-10 kW
MPPT	2
AC Voltage Range	180-280 V
Protection Level	IP65
Cooling Method	Natural convection
Model	MS Series
Rated Output Current	34.8 A
Operating Temperature Range	-25°C to 60°C
Communication	Wi-Fi / Ethernet