Troubleshooting - auna C-500 Anschluss- Und Anwendungshinweise

Problems
The power indicator does not light up.
The speaker output is off. The protection
indicator light up in red.
The unit heats up abnormally or
operating temperature.
Alternator noise is heard.
The sound is muffled.
The sound in too low.
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Troubleshooting

• The fuse is loose or blown -- fasten the fuse or
change it with a new one.
• The ground lead is not securely connected -- fasten
a metal point of the car.
• The connection master unit is not turned on, -turn
on the master nuit.
• The system employs too many amplifiers.--use a
relay.
• Check the battery voltage (10.5-15V).
• The speaker outputs are short -circuited.-Turn off
power.
• switch, Rectify the cause of the short -circuit and
correct.
• Use speakers with suitable impedance--2~8 Ω
(stereo), 4~8Ω (when used as a bridging amplifier).
• Make sure to place the unit in a well ventilated
location.
• The power connecting leads are installed too close
to the RCA pin cords.--Tidy these connecting leads
and keep the leads away from the cords.
• The ground lead not securely connected--Fasten the
ground lead securely to a metal point of the car.
• Negative speaker leads are touching the car
chassis.--Keep the leads away from the car chassis.
• The FILTER switch set to the "LPF" position.
• The level adjustment control is set "MIN"position.
Cause / Solution