Power indicator does not light up.
The connected car audio is not turned on.
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The fuse is blown. Replace the fuse with a new one.
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The sound is too low.
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The input level is not set correctly (see ‘Adjust input level’).
The sound is interrupted or stopped suddenly.
The thermal protector is activated. Reduce the volume.
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The ventilation outlet is blocked. Remove any obstructions from the outlet.
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Alternate noise is heard.
The power connecting wires are installed too close to the RCA pin cords.
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The ground wire is not securely connected to a metal point of the car.
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Negative speaker wires touch the car chassis.
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The protector indicator lights up in red.
The speaker terminals are short circuited. Check the speaker connections.
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The amplifier is overheated. Cool down the amplifier before use.
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The amplifier is overloaded.
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The unit becomes abnormally hot.
Place the amplifier in a well ventilated location.
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Use speakers with suitable impedance: 2-8 ohm (stereo), 4-8 ohm (bridged).
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