Fault Elimination - ABB Busch 6590U-127-500 Manual Del Usuario

Fault Elimination

Diagnosis
Dimmer cannot be
switched off:
Dimmer is permanently - Remove illumination from
set to maximum
ness:
Lamp is not alight:
Stereo system hums/
Intercom system hums:
Cause/Remedy
- Disconnect supply
voltage
pushbutton extension bright-
- Replace defective lamp
- Replace/reconnect line-side
fuse
- Remedy fault
- Repair broken supply line
- Replace defective dimmer
- Disconnect supply voltage
for 30 seconds
- Increase distance between
the dimmer line and a parallel
amplifier line to at least 10 cm
GB
40