Maintronic DPA4.150 Manuel d'entretien - Page 14
Parcourez en ligne ou téléchargez le pdf Manuel d'entretien pour {nom_de_la_catégorie} Maintronic DPA4.150. Maintronic DPA4.150 16 pages. Digital power amplifier
trouble shooting
14
Fault LED glows:
The amplifier is to hot (heatsink is over 80°) or
a short circuit is present at the loudspeaker outputs
LED should turned off after disconnecting the loudspeaker
Humming noise:
1: Check Input Ground connectors
2: throught the PE conductor connections of different devices
a ground loop can ocure
Signal is distorted:
1. turn down the level input gain
2. reduce and check input signal