Roller shutters are built to last, but even well-maintained units run into problems. A jammed curtain, an unresponsive motor, or a heavy-feeling manual shutter are all signs that something has slipped out of alignment. The good news is that many of these issues have straightforward causes, and some can be resolved without a callout. This guide walks you through how to fix roller shutters step by step, covering both electric and manual systems, so you can diagnose the problem