Growatt MAC 30-36KTL3-XL

Questions and Answers

L
lambertjuliaSep 23, 2025
What causes Warning 405 on a Growatt MAC 30-36KTL3-XL?
- H
  Helen MartinSep 23, 2025
  If your Growatt Inverter displays Warning 405, check the firmware version. If the error message continues, contact support.
D
Diane RodgersAug 23, 2025
What to do if Growatt MAC 30-36KTL3-XL Inverter displays Error 302?
- J
  Jeffery NguyenAug 25, 2025
  If your Growatt Inverter shows Error 302, after shutdown, check the AC wiring. If the error message continues, contact support.
B
Benjamin WallaceAug 25, 2025
What should I do if my Growatt MAC 30-36KTL3-XL displays Warning 400?
- P
  Phillip ColeAug 26, 2025
  If your Growatt Inverter shows Warning 400: 1. After shutdown, check the fan connection. 2. Replace the fan. 3. If the warning persists, contact support.
J
Janet GarciaAug 27, 2025
How to fix Error 411 on Growatt MAC 30-36KTL3-XL Inverter?
- M
  Michael McculloughAug 27, 2025
  If your Growatt Inverter is showing Error 411, after shutdown, check the communication board wiring. If the error persists, contact support.
P
Patricia StevensAug 27, 2025
What to do if Growatt Inverter shows Error 403?
- T
  Teresa NavarroAug 28, 2025
  If your Growatt Inverter displays Error 403, after shutdown, check if the output current is balanced. If the error continues, contact support.
S
Sheila WilsonSep 18, 2025
What to do if Growatt MAC 30-36KTL3-XL shows Warning 404?
- S
  susan13Sep 18, 2025
  If your Growatt Inverter displays Warning 404, restart the inverter. If the error message continues, contact support.
L
Linda DeckerSep 15, 2025
What to do if Growatt MAC 30-36KTL3-XL Inverter displays Warning 207?
- D
  Dr. Matthew Ramos DDSSep 15, 2025
  If your Growatt Inverter displays Warning 207: 1. Unplug the U disk. 2. Re-access the U disk after shutdown. 3. If the error message continues, contact support.
D
Dean NunezSep 16, 2025
How do I fix Warning 402 on my Growatt MAC 30-36KTL3-XL Inverter?
- K
  Kerri HancockSep 16, 2025
  If your Growatt Inverter displays Warning 402: 1. Check if the optimizer is on. 2. Check whether the connection between the optimizer and the inverter is normal.
A
Andrea RossSep 6, 2025
What to do if Growatt MAC 30-36KTL3-XL Inverter displays Error 405?
- S
  sarahnguyenSep 6, 2025
  If your Growatt Inverter displays Error 405, restart the inverter. If the error message continues, contact support.
C
Cody JonesSep 4, 2025
How do I fix Error 402 on my Growatt MAC 30-36KTL3-XL?
- E
  egonzalezSep 4, 2025
  If your Growatt Inverter displays Error 402, restart the inverter. If the error message continues, contact support.

Summary

Installation and Operation Manual

Overview and Safety

Safety Precautions

Covers general safety guidelines, symbol meanings, and label descriptions for inverter operation.

Installation Guide

Basic Installation Requirements

Details requirements for wall solidity, installation space, building type, and environment.

Installation Environment

Specifies conditions to avoid rain/snow, recommendations for awnings, and enclosed spaces.

Wall Mount Bracket

Guides on installing the wall mount bracket, including drilling and bolt placement.

Electrical Connections

AC Side Connection

Details the process for connecting the AC side, including safety warnings and circuit breaker specifications.

DC Side Connection

Explains how to connect the DC side, including safety precautions for handling solar panels.

Communication Connection

Covers connecting the inverter for monitoring via RS485 and USB, including wiring details.

Grounding and Protection

Protective Ground Connection

Outlines connecting metal components and cases to the ground for safety and equipotentiality.

Lightning Protection Grounding

Details lightning protection measures for photovoltaic systems and safe separation distances.

Debugging and Settings

Inverter Debugging

Guides on the steps to debug the inverter, including DC switch, circuit breaker, and status indicators.

Set Communication Address

Explains methods to set the inverter's communication address via RS485, USB, or web page.

Monitoring Methods

Remote Data Monitoring

Details monitoring via mobile app (ShinePhone) and web server for real-time data.

Mobile APP Monitoring

Details how to download, register, and use the ShinePhone mobile app for monitoring.

Web Server Monitoring

Covers remote monitoring using the ShineGPRS-X web server interface.

System Maintenance

Routine Maintenance

Covers general maintenance tasks like checking ambient conditions and cleaning.

Cleaning Inverter

Fan Maintenance

Warnings and Troubleshooting

Warning Codes

Lists warning messages and their corresponding suggestions for resolving issues.

Trouble Shooting

Highlights general safety notes and potential issues when working with the inverter.

Error Code Analysis

Error Code List

Provides a detailed list of error codes, their descriptions, and suggested solutions for inverter faults.

Growatt MAC 30-36KTL3-XL Specifications

General

Input Voltage Range	200-1000V
Max DC Input Voltage	1100V
Nominal AC Voltage	400V
AC Voltage Range	310-480V
Nominal Grid Frequency	50/60Hz
THDi	<3%
DC Connection Type	MC4
Display	LCD
Max. Apparent AC Power	33000VA / 36300VA / 39600VA
Operating Temperature Range	-25°C to 60°C
Communication	RS485
Humidity	0~100%