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Kim SawyerAug 25, 2025
What to do if my Growatt MAX 125KTL3-X LV Inverter shows Warning 300?
- NNancy PenaAug 25, 2025
If your Growatt Inverter displays a Warning 300, first confirm whether the grid is lost. For further assistance, contact Growatt.
To Next PageTo Next PageWhat to do if my Growatt MAX 125KTL3-X LV Inverter shows Warning 300?
If your Growatt Inverter displays a Warning 300, first confirm whether the grid is lost. For further assistance, contact Growatt.
What does Error 301 mean on my Growatt Inverter and how can I fix it?
If your Growatt Inverter is showing Error 301, check the AC terminals. For further assistance, contact Growatt.
What does Warning 409 mean on my Growatt MAX 125KTL3-X LV and how do I fix it?
If your Growatt Inverter displays Warning 409, check if shinemaster is abnormal. For further assistance, contact Growatt.
What to do if Growatt MAX 125KTL3-X LV displays Error 414?
If your Growatt Inverter displays Error 414, check if shinemaster is abnormal. For further assistance, contact Growatt.
Why is my Growatt Inverter showing Warning 310, and how can I fix it?
If your Growatt Inverter is displaying Warning 310, check if the neutral and ground cables are well connected. For further assistance, contact Growatt.
What does Error 303 indicate on my Growatt MAX 125KTL3-X LV, and how do I resolve it?
If your Growatt Inverter displays Error 303, after shutdown, ensure that the ground wire is reliably connected. For further assistance, contact Growatt.
What should I do if my Growatt MAX 125KTL3-X LV is displaying Error 203?
If your Growatt Inverter is displaying Error 203, after shutdown, check if the panel shell is reliably grounded. For further assistance, contact Growatt.
What to do if Growatt MAX 125KTL3-X LV Inverter displays Warning 210?
If your Growatt Inverter is showing Warning 210, check PV input terminals. For further assistance, contact Growatt.
What does Warning 400 mean on my Growatt MAX 125KTL3-X LV, and how can I fix it?
If your Growatt Inverter is displaying Warning 400, after shutdown, check the fan connection. If necessary, replace the fan. For further assistance, contact Growatt.
General| Model | MAX 125KTL3-X LV |
|---|---|
| Max. DC Voltage | 1100 V |
| Start Voltage | 200 V |
| Nominal DC Voltage | 600 V |
| MPPT Voltage Range | 200 V - 1000 V |
| Number of MPP Trackers | 3 |
| MPPT Trackers | 3 |
| Max. Input Current per MPPT | 30 A |
| Rated AC Output Power | 125000 W |
| Nominal AC Power | 125000 W |
| Max. AC Output Power | 137500 W |
| Nominal AC Voltage | 400 V |
| Rated AC Output Voltage | 400 V |
| AC Grid Frequency | 50/60 Hz |
| AC Output Frequency | 50/60 Hz |
| Power Factor | 0.8 leading ... 0.8 lagging |
| THDi | <3% |
| Max Efficiency | 98.6% |
| European Efficiency | 98.3% |
| DC Switch | Yes |
| Surge Protection | Type II |
| Protection degree | IP65 |
| Protection Class | Class I |
| Topology | Transformerless |
| Max. DC Power | 150000 W |
| Max. DC Input Power | 187500 W |
| Max. AC Power | 137500 VA |
| Operating Temperature Range | -25°C to 60°C |
| Communication | RS485, Ethernet |
Provides information for installing Growatt MAX-X Series solar inverters.
Specifies that only qualified electrical technicians should install the inverter.
Outlines general safety rules and responsibilities during installation.
Outlines essential requirements for installing the inverter safely and correctly.
Specifies environmental conditions needed for optimal inverter performance.
Details the process for installing the wall mount bracket for the inverter.
Explains how to mount the inverter onto the installed wall bracket.
Describes how to connect the AC power cable to the inverter.
Provides step-by-step instructions for AC side connections.
Details the procedures for connecting the DC input cables to the inverter.
Explains how to connect communication cables for monitoring.
Explains how to properly ground the inverter and system components.
Guides on initial setup and configuration of the inverter.
Details how to set the communication address for the inverter.
Overview of methods for monitoring inverter data remotely.
Guides on using the ShinePhone app for remote monitoring.
Explains modes for local data monitoring via app or PC.
Guidance on identifying and resolving issues with the inverter.
Lists warning and error codes with their descriptions and suggestions.
Details specific error codes, their causes, and suggested actions.
