Short Circuits - ABB Busch-Dimmer 6593 U-500 Manual Del Usuario

Setting up ENG 49
Overload
If the electronic overload protection is activated (overload or
overtemperature as a result of incorrect installation or
inadequate cooling), the set degree of brightness of the lighting
unit reduces. If overload / vertemperature is applied for a longer
time, Dimmer switches off.
The supply voltage must be disconnected prior to
remedying faults. Check the load on the dimmer and
reduce if necessary.
The dimmer is again ready for operation after elimination ofthe
overload and following an appropriate cooling-down phase.

Short Circuits

In case of a brief short-circuit of the load, the dimmer
disconnects the connected loads and re-connects them
afterwards. In case of a permanent short-circuit, the dimmer
The supply voltage must be
switches off completely.
disconnected prior toremedying faults. After the fault
has been remedied,the dimmer is again ready for
operation.