Most CCTV problems that appear as sudden failures are caused by smaller issues building up over time, such as unstable connections, storage warnings, misconfigured schedules or time drift. Across Cambridge, facilities and security teams often only notice issues after footage is needed, which is why structured maintenance checks are so valuable. A common cause of repeat faults is connectivity. Servicing checks include confirming network and PoE stability, reviewing switch and port behaviour where accessible, and testing for intermittent link drops that create cameras offline or unstable feeds. This structured approach helps separate a camera fault from an upstream issue such as cabling, power, network configuration or a recorder port problem. Next, we review camera performance across the areas you rely on most. We look for intermittent feeds, image degradation, focus issues, low-light limitations and changes in scene exposure that can reduce identification quality. Where it is safe and appropriate, we confirm camera settings and positioning still match operational needs, especially if the site layout, lighting or access routes have changed since the system was installed. We work in a way that supports facilities teams, not disrupts them. Checks are planned to minimise disruption to operating hours, and any issues found are explained clearly, with practical options if parts or upgrades are needed. By confirming recording reliability and system stability now, you reduce the risk of discovering a fault at the worst possible time.