Make and model external hard drive?
Warranties vary with the manufacturer and local laws regarding warranties.
Overall, the drive probably had some broader warranty and then once past some certain amount of time, the coverage was reduced: E.g.: orignal warranty may have covered parts and labor.
Limite warranty may only be parts and no labor. And/or only certain parts perhaps.
Generally most warranties have lots of loop holes and exclusions that makes getting warranty repairs or replacements much more difficult than the corresponding advertising suggests...
The only way to know for sure is to read the "fine print" within the warranty agreement. You may need to read it several times.
Another option is to visit the manufacturer's...