ABB Busch-Universal 6591U-101-500 Betriebsanleitung Seite 54

Fault Elimination
1.1.1.62
Diagnosis
Dimmer is
permanently set to
maximum:
Lamp is not alight:
Cause/Remedy
-
Extension unit pushbutton
jammed
-
Remove illumination from
pushbutton extension
brightness
-
Replace defective lamp
-
Replace/reconnect line-side
fuse
-
Remedy fault
-
Repair broken supply line
-
Disconnect supply voltage for
5 seconds