Fire alarm controller, fire alarm many times, what's wrong?
First of all, to see whether a single loop alarm, or each loop is in the alarm, the specific must be professionals to solve. The use of exclusion to determine a variety of reasons, such as detector aging, alarm problems, there are wiring problems, to see if the entire protection zone recently renovated, touched the bus circuit.
For years, the easiest way is to find a new probe, change two, and see if the new probe alarms. In an alarm probe, is the random number, or fixed number of alarm?. If it is a fixed number, change the two probes first.