What to do if Growatt MID 6KTL3-XL displays 'DC Fuse Open'?
- Zzachary20Sep 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 6KTL3-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 6KTL3-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 6KTL3-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 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 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 6KTL3-XL 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 Inverter?
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 6KTL3-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.
Defines the scope and applicability of the manual for specific inverter models.
Identifies the intended audience and required qualifications for using this manual.
Provides resources for obtaining further details and supplementary documentation.
Introduces the manual's purpose and scope for Growatt PV inverters.
Specifies requirements for professional electricians performing installation.
Gives a general introduction to the inverter's function and capabilities.
Describes the inverter's role in converting DC to AC for grid connection.
Lists the key technical characteristics and functionalities of the inverter.
Outlines essential safety measures to prevent injury and damage.
Explains the meaning of various safety symbols used in the manual.
Details the external components and ports of the inverter.
Presents the physical size specifications of the inverter unit.
Specifies optimal conditions for storing the inverter before installation.
Lists fundamental prerequisites for inverter installation.
Provides instructions and considerations for securely mounting the inverter.
Outlines the step-by-step process for physically installing the inverter.
Highlights crucial safety guidelines during inverter wiring procedures.
Details the correct procedure for connecting AC power cables.
Explains the proper method for connecting DC input cables from PV modules.
Guides on how to connect communication and signal lines to the inverter.
Explains the inverter's standard operating state and conditions.
Details how the inverter indicates and handles system faults or failures.
Describes the inverter's state when it automatically stops operation.
Explains the initial information shown on the inverter's OLED display.
Describes the navigation and structure of the inverter's display interface.
Outlines how to configure basic inverter settings.
Guides on accessing and configuring advanced inverter parameters.
Explains how the OLED display becomes active after being turned off.
Details the functions and sequences for using the touch button interface.
Describes the RS485 communication protocol for monitoring and control.
Explains the DRM communication function for demand response management.
Details the use of the USB-A port for monitoring modules or firmware updates.
Provides the procedure for safely starting the inverter.
Details the steps for safely powering down the inverter.
Explains how error messages are displayed and what information to provide for support.
Introduces error codes and system faults that may occur.
Lists warning codes, their descriptions, and suggested actions.
Lists error codes, their descriptions, and suggested troubleshooting steps.
Presents detailed technical specifications and data for various inverter models.
Specifies the recommended torque values for various screws and terminals.
Lists available product attachments and optional monitoring modules.












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