ABB Busch-Dimmer 6593 U-500 Manual Del Usuario página 66

Fault Elemination
Diagnosis
Stereo system hums/
Intercom system hums:
ELA system hums:
Flickering lamps:
Pos: 9 /Fuer alle Dokumente/Seitenwechsel @ 0\mod53_1.doc @ 1171
Cause/Remedy
- Increase distance
between the dimmer line
and a parallel amplifier
line to at least 10 cm
- Amplifier input
Interference suppression
defective. Check amplifier
- Increase minimum load
- Ripple-control signal
- Supply voltage
fluctuations
ENG 66