auna C500 - Troubleshooting

34
EN
TROUBLESHOOTING
Problem Possible cause and solution
The power indicator does
not light up.
The fuse is loose or blown. Tighten the fuse
or replace the fuse with a new one.
The earth lead is not connected correctly.
Attach it to a metal point in the car.
The control unit is not switched on. Turn on
the control unit.
The system uses too many ampliers. Use
a relay.
Check the battery voltage (10.5-15 V).
The audio output is
switched o. The power
indicator lights up red.
The loudspeaker connections are short-
circuited. Turn o the on/o switch. Fix the
cause of the short circuit.
Noise from the alternator. The power supply cables are routed too
close to the cinch cables. Clean the wiring
and move the power supply cables further
away from the audio cables.
The ground is not rmly connected.
Connect the ground rmly to a metal point
in the vehicle.
The negative poles of the speakers are
connected to the vehicle body. Disconnect
the negative terminal leads from the body.
The sound is muled. The lter must be set to the LPF position.
The sound is too low. Move the level control to the MIN position.
Set it up higher.