Troubleshooting Guide; Location And Function Of Controls - auna 10006684 Handbuch

Problem
The power indicator does not light up.
Outout off, The protection indicator light
up in red.
Alternator noise is heard.
The sound is muffled.
The sound in too low.

Location and function of controls

1. POWER indicator
Lights up in red during operation.
2. FILTER selector switch
When the switch is in the LPF position, the
filter is set to low-pass.
When in the HPF position, the filter is set to
high-pass.
3. Cut-off frequency adjustment control
Sets the cut-off frequency (50-250Hz)
for the low-pass filter.

Troubleshooting Guide

Cause / solution
• 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 voltage going into zje remote terminal ist too low.
The connection master unit is not turned on. -- Turn on the
masternuit.
• The sytem employs too many amplifiers. -- Use al Relay.
Check the battery voltage (10.5-15V)
• The speaker outpulse are short-circulated. -- Turn off pow-
er switch. Rectify the cause of the short-circuit and correct.
The unit heats up abnormaly or operating temperature.
• Use speakers with suitable impedance. -- 2~8Ω (stereo),
4~8Ω (when used as a bridging amplifier)
• Make sure to place the unit in a well ventilated location
• The power connectingleads are installes too close to the
RCA pin cords. -- Tidy these connectingleads and keep the
leads away from the cords.
• The ground lead not securely connected. -- Fasten the
ground lead securely to al metal point of the car.
• Negative speaker leads ate 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.
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