Contec LES-RACK, Operation Manual And Installation Manual, Page: 41 / 54

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Signaling of error-free and error states
Table number 5 – Local signaling
LED diode: Indication: Meaning:
color
: state:
TEST
--- ---
System ready. Standard operating state.
B S System in testing mode.
MUTE
--- ---
Alarm active and ready.
Y S Alarm inactive or disconnected during the extinguishing
SYSTEM READY
--- ---
System disconnected from power, inactive
G B System OK.
R B The system has just finished a reset
R/G B System ready for full reset. Special mode after holding the
"RESET" button for a long time. Described further in the
network setup software
EXTINGUISHING
Y S
Delay before the extinguishing
R S Ongoing extinguishing or extinguishing finished
R B
Extinguishing blocked, doors open
FAULT
PRESSURE
R S Low gas pressure
FAULT SENSOR R S Extinguishing has been initiated
R B
At least one sensor has been activated
Y S At least one sensor is faulty – unable to extinguish
Y/R B
At least one sensor faulty – able to extinguish
Y B At least one sensor has been activated – sensor count error
VALVE
G S
Valve is open
R S Valve fault
FAULT SYSTEM R S Major fault, extinguishing might not be possible or will
start with low level of extinguisher
Y S
Minor fault, does not affect main extinguishing
FAULT AC
MAINS
- - - - - - AC feed OK
R S AC feed fault, no power, interrupted feed
BATTERY
R B
No battery, physically disconnected battery
G B Physically connected battery, but electrically disconnected
R S
Battery fault, RESET button to clear the indication
Y S Battery testing in progress
G S
Battery connected, battery parameters are OK
G S50
%
After pressing the „TEST“ button. Press „RESET“ to
disconnect the battery.
FAN R S Fan fault
O S
Low fan power, low RPM
G S Fan OK