Grasslin trealux 610 Mode D'emploi page 9

2.3 Diagnosis
a) Key check
If one of the keys in the stairwell is pressed,
If this symbol is continuously displayed, one or more keys may be blocked or even
defective.
b) Lamp ON period/operating hours (displayed value x 100)
– +
c) Lighting ON
If one of the keys in the stairwell or the hand switch on the unit has been pressed,
the symbol
there may be an installation fault or all lights are faulty.
GB
Begin: Press keys + and – simultane
Example: 0 =
5
1 =
1 =
5
End: Press + or – once current switching state
The number of operating hours is an indication of whether and
when it seems appropriate to change the lamps.
in the display must be visible. If the lighting in the stairwell is still OFF,
2. Putting into operation/use
appears in the display.
50 hours
100 hours
150 hours etc.
3