I'll repeat, do NOT pull fuses on a sunlit panel, or you will be arc welding ! Check them at Dusk or Dawn. replace the bad one when the light is dim, or you can arc weld the fuse into place, and then you will be stuck. Pull the bad fuse, and see if your installer has a replacement. GET 3 Replacements. If you cannot get to the installer, then a LARGE electrical supply house would/may carry them.
If you can read the label on the back of the panels, does it list a recommended fuse size ? (usually 10 or 15 amp) Make sure the replacement fuse has the correct rating, or it may blow again, sometimes installers insert whatever fuse they have, and drive off, not checking the rating (or not caring).
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