* Sticking or jamming: This can be caused by a build-up of dirt and debris in the lock mechanism, or by a worn or damaged spring.
* Key won't turn: This can be caused by a bent or broken key, or by a misaligned or damaged lock cylinder.
* Lock won't lock or unlock: This can be caused by a damaged or broken cam, or by a worn or damaged lock cylinder.
In most cases, a locksmith will be able to repair a cylinder lock without having to replace the entire lock. This can save you time and money, and it will also ensure that your lock continues to function properly and securely.
If you are experiencing any problems with your cylinder lock, it is important to contact a qualified locksmith as soon as possible. A locksmith will be able to diagnose the problem and recommend the best course of action to get your lock working properly again.