Fire Alarm Systems

A Guide to BS5839

BS5839: Part 1: 1988 TESTING AND MATENANCE

DAILY INSPECTION

Check that the Charger On indicator shows. Inspect for any fault indicator showing or sounding operating. Inform the designated responsible person of any fault.

WEEKLY TEST

Ensure that all indicators show by resetting according to the instructions provided with the panel and check that the internal sounder operates. Operate a call point or detector to test the system. Check that the sounds operate. Reset the fire alarm panel. Each week choose a different zone in rotation, so that way all the all call points are tested in rotation. Check all call points and detectors and ensure all aren’t obstructed in any way. Enter results of tests into log book.

QUARTERLY TEST

Check all previous log book entries and clarify that any remedial action has been taken. Check the batteries and its connections. Operate a call point or detector in each zone to test the fire alarm as per above. Remove mains supply and check the battery is capable of supplying the alarm sounders.

ANNUAL TEST

As per above. Additionally test all detectors and call points and check for operation.

Every 2-3 years

Clean smoke detectors to ensure correct operation and freedom from false alarms. Special equipment is required for cleaning smoke detectors.

Every 4 years

Replace sealed lead acid batteries. If the operating temperature exceeds 250c continuously, then the battery may need to be replaced sooner.

System Overview

Most commercial and industrial premises are nowadays required to have a fire alarm system installed to BS 5839.