What to do if Growatt MID 8KTL3-XL displays 'DC Fuse Open'?
- PpreidSep 3, 2025
If your Growatt Inverter displays 'DC Fuse Open', after shutdown, check the fuse. If the error message persists, it is recommended to contact the manufacturer.

What to do if Growatt MID 8KTL3-XL displays 'DC Fuse Open'?
If your Growatt Inverter displays 'DC Fuse Open', after shutdown, check the fuse. If the error message persists, it is recommended to contact the manufacturer.
How do I troubleshoot a 'PV Circuit short' error on my Growatt MID 8KTL3-XL Inverter?
If your Growatt Inverter displays 'PV Circuit short', check if the PV1 or PV2 wiring is short-circuited. If the error message persists, it is recommended to contact the manufacturer.
What should I do if my Growatt MID 8KTL3-XL shows 'EPS mode, over load'?
If your Growatt Inverter displays 'EPS mode, over load', reduce the load of EPS output. If the error message persists, it is recommended to contact the manufacturer.
How to fix a 'PE abnormal' error on a Growatt MID 8KTL3-XL Inverter?
If your Growatt Inverter displays 'PE abnormal', check the PE line to ensure it is making good contact. If the error message persists, contact the manufacturer.
What should I do if my Growatt MID 8KTL3-XL Inverter shows a 'Grid frequency outrange' error?
If your Growatt Inverter displays 'Grid frequency outrange', check if the frequency is within the specified range. If the error message persists, it is recommended to contact the manufacturer.
What causes 'AC V Outrange' on a Growatt MID 8KTL3-XL Inverter and how do I fix it?
If your Growatt Inverter indicates 'AC V Outrange', begin by checking the grid voltage. If the error message continues to appear even when the grid voltage is within the tolerable range, contact the manufacturer.
How to troubleshoot a 'No AC Connection' error on a Growatt MID 8KTL3-XL?
If your Growatt Inverter shows 'No AC Connection', first shutdown the system and check the AC wiring. If the error message persists, it is recommended to contact the manufacturer.
What to do if my Growatt MID 8KTL3-XL Inverter displays 'No Utility'?
If your Growatt Inverter shows 'No Utility', first confirm if the grid is lost or not. If the error message persists, it is recommended to contact the manufacturer.
| Model | MID 8KTL3-XL |
|---|---|
| Rated Power | 8000W |
| Max. DC Voltage | 1100V |
| Max. DC Input Voltage | 1100 V |
| Nominal AC Power | 8000 W |
| Total Harmonic Distortion (THDi) | <3% |
| DC Switch | Yes |
| Topology | Transformerless |
| Max. DC Input Power | 10400W |
| Input Voltage Range | 200-1000V |
| MPPT Voltage Range | 200-1000V |
| Max. AC Output Power | 8800W |
| AC Voltage Range | 180 V - 280 V / 310 V - 480 V |
| Grid Frequency | 50/60Hz |
| Frequency | 50/60Hz |
| Operating Temperature Range | -25°C to 60°C |
| Operating Temperature | -25°C to 60°C |
| Humidity | 0 - 100 % |
Details the valid inverter models covered by this manual.
Identifies the intended audience for this manual, emphasizing qualified personnel.
Provides information on where to find additional details and resources.
Provides an introduction to the Growatt MID TL3-X series PV inverters and the manual's purpose.
Specifies that the inverter must be installed by a professional electrician.
Covers the product overview (2.3.1) and its key features (2.3.2).
Lists critical safety rules for operation and explains warning symbols (2.4.1).
Details the physical components and ports of the inverter.
Provides the physical dimensions and weight specifications of the inverter models.
Outlines the recommended storage conditions for the inverter.
Guides on how to unpack the inverter and inspect for damage or missing accessories.
Covers essential requirements for the installation location and environment.
Provides instructions and specifications for mounting the inverter on a wall.
Details the steps for securely hanging and fixing the inverter onto the wall mount.
Highlights critical safety precautions to be observed during inverter wiring.
Provides detailed instructions and warnings for connecting the AC power to the inverter.
Explains the procedures and safety measures for connecting the DC input from PV modules.
Guides on connecting the signal line using the 8-pin connector and associated procedures.
Outlines the steps for debugging the inverter after installation and connection.
Describes the inverter's normal operation status and grid connection criteria.
Explains the inverter's failure mode, indicators, and output disconnection.
Details the inverter's shutdown mode due to low light conditions and its power consumption.
Explains the inverter's boot display and the information interface shown on the OLED screen.
Covers the process for setting general parameters via the OLED display and touch buttons.
Details the procedure for accessing and configuring advanced inverter parameters.
Explains how the OLED display automatically turns off and how to wake it up.
Describes the functions and operations performed using the inverter's touch buttons.
Details the RS485 ports for monitoring and smart meter connection, including pin functions.
Explains the DRM communication function and its pin assignments.
Describes the use of the USB-A port for monitoring modules or firmware updates.
Provides the steps required to safely start the inverter after all connections are made.
Outlines the procedure for safely shutting down the inverter and its associated precautions.
Covers the maintenance of the inverter's cooling fan, including cleaning and replacement.
Explains how error messages are displayed on the OLED screen and information required for support.
Details system error codes and their suggested actions.
Presents detailed technical specifications and parameters for various inverter models.
Provides torque specifications for various screws and terminal blocks used in the inverter.
Lists available product attachments and monitoring modules for the inverter.
Provides contact information and details required for technical support inquiries.












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