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2.7 Operating states and faults
The operating state and any faults are shown on the 7-segment display of the RWA-
Emergency Power Control System. If several states or faults occur at the same time,
the display will cycle through them one per second.
Operating state codes The operating state codes provide information regarding the various alarm states of
the RWA-Emergency Power Control System and about the rain/wind sensor. The
operating state codes are continuously updated on the 7-segment display.
Display Operating state
0 System is in order, no fire alarm, system in Open Window (Auf) mode
in the event of fire alarm
1 System is in order, no fire alarm, system in Close Window (Zu) mode
in the event of fire alarm
2 Fault - battery not connected
3 Fault - battery discharged
4 Fault - smoke sensor line broken or short circuit
5 Fault - RWA switch alarm line broken or short circuit
6 Fault - RWA switch closed line broken or short circuit
7 Fault - motor lines
8 Fault - fuse logic power supply (F8)
9 Fault - fuse motor supply mains-side (F2)
a Fault - fuse battery (F3)
B Rain/wind sensor active
c Fire alarm acknowledged, but signal from source is still present
D Fire alarm from external alarm
e Fire alarm from smoke sensor
f Fire alarm from RWA switch
l Charger faulty
u Fault - external alarm line broken or short circuit
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