
A fire alarm system is unusual among building services: when it’s working perfectly, you notice nothing at all. There’s no performance dip to alert you, no rising energy bill, no



An old control panel is still running your process. It’s had a few repairs over the years, the labelling has stopped matching reality, and every time someone opens it there’s a quiet hope that nothing else has changed inside. But it works. So the question comes up: do you keep repairing it, or do you replace it? There’s a version of this article that argues you should always replace. It would be easier to write and better for whoever’s selling the new panel. It also wouldn’t be true. Plenty of ageing panels are perfectly sound and repairing them is the

A fire alarm system is unusual among building services: when it’s working perfectly, you notice nothing at all. There’s no performance dip to alert you, no rising energy bill, no complaint from staff. It sits quietly for years, and the only real test of whether it works is the one day you desperately need it to. That’s exactly why fire alarm systems tend to slide down the maintenance priority list — and why problems are often discovered during an inspection rather than during routine attention. Here are five signs worth acting on before someone else finds them for you. 1.