Repairing or replacing an inverter fuse can be done by following these steps:

1. Turn off the inverter and unplug it from the power source to prevent electric shock or injury.
2. Locate the inverter fuse. It is usually located near the power input or output terminals of the inverter.
3. Check the fuse visually to see if it is blown or damaged. If it is blown, the fuse element will be broken, or the glass or plastic casing may be discolored or cracked.
4. If the fuse is blown, remove it from the fuse holder by gently pulling it out.
5. Determine the rating of the blown fuse by checking the label on the fuse or referring to the inverter's manual. It is important to replace the fuse with the same rating to ensure proper protection of the inverter.
6. Obtain a new fuse with the same rating as the blown fuse.
7. Insert the new fuse into the fuse holder, making sure it is fully seated.
8. Reassemble the inverter and plug it back into the power source.
9. Turn on the inverter and test it to make sure it is working correctly.

If the inverter still does not work after replacing the fuse, it may be an indication of a more significant problem. In this case, it may be best to hire a professional from Locals4u for assistance or contact the manufacturer's customer support for further assistance.