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APPENDIX B
Faults - How To Recognise Them And What Action To Take
All fault conditions on the fire alarm panel will be indicated by the flashing of the general fault
indicator (positioned immediately below the large red fire indicator) and the activation of at least one
other fault-specific indicator. By determining which fault-specific indicator is active and by referring to
the table shown you can decide on what action to take.
INDICATOR FLASH RATE CONDITION ACTION
ACTIVE COMPARED TO
GENERAL FAULT
INDICATOR (G.F.I.)
POWER FAULT flashing Faster than G.F.I. Battery Fault. Refer to service provider.
Short flash, long pause. Mains fail. Check mains supply to
panel is switched on.
ZONAL FAULT Flashing Slower than G.F.I. Zone open circuit. Refer to service provider.
Faster than G.F.I. Zone short circuit. Refer to service provider.
Same as G.F.I. Detector Check detectors
removed from in zone are
base correctly fitted
in their bases.
ALARM FAULT flashing Slower than G.F.I. Alarm open circuit Refer to service provider.
Faster than G.F.I. Alarm short circuit. Refer to service provider.
EARTH FAULT on Earth Fault in Refer to service
System provider
SYSTEM FAULT on System fault Refer to service
occurred provider
Fires - How to Recognise Them
All fire conditions on the fire panel will be indicated by the flashing of the Main Fire Indicator (large
red indicator) and the activation of at least one Zone Fire Indicator.
Main Fire Indicator on Fire detection but alarms not sounded
but not flashing (due to delay or coincidence detection)
Main Fire Indicator Fire detected and alarms sounded
flashing
Zone Fire Indicator on Call Point Fire
but not flashing
Zone Fire Indicator Detector Fire
flashing
Zone Fire Indicator 1st stage coincidence detection
'double flash'
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