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PSU Fault Indications
Earth Fault Indications
Fire Panels
Fault finding
4188-424 issue 4_Part 1_10-09
18
At Main Panel
Green Power Indicator
Power Fault Indicator
Meaning
Steady
Off
No PSU Faults
Slow Flash
Slow Flash
Mains failed (Common Fault indicator also flashes to save batteries*)
Slow Flash
Fast Flash
Battery disconnected/Battery fault or Charger fault
Slow Flash
Steady
Auxiliary supply/sounder output supply fault
* If Access/Function indicator flashes slowly, there is either a comms fault, an earth fault or a PSU fault on the Repeat Panel.
At Repeat Panel
Green Power Indicator
Power Fault Indicator
Meaning
Steady
Off
No PSU Fault in either Main Panel or Repeat panel
Steady
Slow Flash
Mains failed at Main Panel
Steady
Fast Flash
Battery disconnected/Battery fault/Charger fault at Main Panel
Steady
Steady
Auxiliary supply/sounder output supply fault at Main Panel
Slow Flash
Slow Flash
Mains failed at Repeat Panel
Slow Flash
Fast Flash
Battery disconnected/Battery fault/Charger fault at Repeat Panel
* If Access/Function indicator flashes slowly, there is a comms fault, between the Main Panel and the Repeat Panel.
NOTE:
If there is a PSU fault at the Main Panel and the Repeat Panel, then priority is given to the fault at the
Main Panel
At Main panel
Fault -
Yellow
Earth -
Yellow
Power -
Green
Buzzer
Auxiliary relay contacts
normally de-energised
Common fault -
normally active
Common fire -
normally deactive
Earth fault
indications
Steady
Pulse
Slowly
On
Pulse
Slowly
Normal
Deactive
Deactive
NOTE:
If a Repeat panel is connected, the ACCESS/FUNCTION lamp will pulse slowly as well.
At Repeat Panel
Earth Fault Indicator
Off
No earth fault at the Repeat Panel or the Main Panel
Steady Indication
Earth fault local to the Main Panel