Siemens FDCIO223

Structure and function
18
Building Technologies
009122_e1_en_--
Fire Safety
2015-10-06
3.2.3 Indication elements
3.2.3.1 Input/output module status display
Primary side LEDs
Green
'PWR PRIM'
(Ref 12)
Yellow
'FAULT PRIM'
(Ref 12)
Meaning
Flashes every 4 s Off Normal condition
Flashes every 4 s Flashes every 4 s Test mode
Flashes every 4 s Flashes once a
second
Localization mode
Off Off Fault:
 No FDnet/C-NET supply voltage
 Input/output module faulty
Off Flashes every 4 s Fault:
 No supply voltage (24 V)
 Fault on input/output line, e.g., short circuit
or open line
Off Single pulse every
second and double
pulse every
4 seconds
Input/output module is in localization mode and
there is a fault pending
What the LEDs mean: Input/output module status (primary side)
Secondary side LEDs
Green
'PWR SEC'
(Ref 11)
Yellow
'FAULT SEC'
(Ref 11)
Meaning
Off Off Fault:
 No supply voltage (24 V)
 Input/output module faulty
Flashes once a
second
Off Normal operation
Flashes once a
second
ON Fault:
 Input/output module faulty
 Ground fault
 Error on FDnet/C-NET detector line
What the LEDs mean: Input/output module status (secondary side)