Fault indicators on components
31
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LED Symbol Fault Cause What must be done
1 - FAULT The 'Site' has a fault
● Check if the fault LED 'Fault
System' is flashing; if it is not:
– Check the display
– Check whether the 'Fault'
control input is activated
2 Fault System Failure of the main CPU
● Visual check of the cable
connections
● Check whether the red LED H37
on the operating unit FCM20xx is
on:
– Exchange PMI & mainboard
'Fault' of a component ● Restart 'Station'
– When the 'Fault' is still
indicated: Exchange the
module
Communication fault of a
networked 'Station'
● Check the transmission line
● Check the faulty ↑ 'Station'
-
Fault / Off
Remote alarm
↑ Remote transmission
has a 'Fault'
● Check remote transmission
-
Fault / Off Alarm
device
'Fault' affecting acoustic
control lines
● Check the 'Line' for open
circuit/short-circuit or end-of-line
element (EOL) is missing or
defective
-
Fault / Off
Control function
'Fault' affecting fire
control lines
● Check the 'Line' for open
line/short-circuit
● Check the function of the external
control devices
● Check the function, any existing
feedback switch
31.4 Fault indicators on components
The components are equipped with LED indicating the status of the component.
You will find the meaning of the indications in document 008837. See chapter
'Applicable documents'.
See also
1 Applicable documents [➙ 11]
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