
Trouble Shooting
Occuring an error the protection-LED will light in red. In order to check the problem, first turn down all levels of
the head unit, afterwards turn it off.
This power amplifier is featured with an efficient protection system to prevent any damages like over-heating,
overvoltage, short-circuit and DC at the loudspeaker output.
AMPLIFIER IS NOT
POWERED UP, NO LED IS
LIGHTENING - remote cable professional connected?
- ground connection professional connected?
- +12V powercable professional connected?
- fuses inserted and alright?
- analyze voltage on the amplifier.
- loudspeaker professional connected?
- cinch cable alright and professional connected
- head unit alright?
- amplifier too hot?
- short-circuit at the loudspeaker output?
- short-circuit caused by loudspeaker cable with vehicle chassis (ground)?
- input voltage too high (e.g.faulty generator)?
PROTECTION LED
WHILE AMPLIFIER IS
SOUNDLESS
ILLUMINATES GREEN
WHEN AMPLIFIER IS
PROTECTION LED
POWERED UP
ILLUMINATES RED
ERROR IN AMPLIFIER FUSE - ground professional connected?
Make sure when changing fuses to use the same value.
- loudspeaker impedance alright?
! CAUTION !
LOW-DISTORTED SOUND
SOUND TOO LOW OR
- loudspeaker error?
- loudspeaker cable checked?
- crossover frequencies has been properly set?
- input level control “GAIN” is set to match the head unit?
frequency bandpassfilter...)
(Check head unit, amplilfier, DSP, soundprozessor, equalizer,
- output level control of the head unit alright?
- ground connection professional connected?
- short-circuit caused by loudspeaker cable with vehicle chassis (ground)?
- cinchcable (RCA) and/or loudspeaker cable installed too
close to the power connection cable?
- cinch ground (RCA) of the head unit alright?
HIGH HISS-ENGINE NOISE
IN SPEAKERS
Please contact your specialized dealer if the amplifier is still not working after it has been
checked with the error list!
For warranty adjustement / repairs the original invoice has to be attached!
Opening the power amplifier is leading to a lost of warranty in either case!
AT TEN T ION
(PROTECTION LED
ILLUMINATES RED WHEN
AMPLIFIER IS POWERED UP)
OVERHEATING
After cooling down, the amplifier turns on automatically.
- adequate airflow of the amplifier?
! CAUTION !
- impedance alright?
- loudspeaker error?
CArbon series
by audio system