Audio System C Series Manual

trouble shooting

This power amplifier is featured with a efficient protection system to prevent any
damages like overheating, overvoltage and short-circuit.
In order to check the problem, first turn down all levels of the head unit, afterwards turn
it off.
AMPLIFIER IS NOT
POWERED UP, NO LED
IS LIGHTENING
NO SOUND
OVERHEATING
ERROR IN AMPLIFIER
FUSE
SOUND TOO LOW OR
LOW-DISTORTED SOUND
HIGH HISS-ENGINE NOISE
IN SPEAKERS
Please contact your specialist dealer if the amplifier is still not working after it has been
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!
- ground connection professional connected?
- +12V powercable professional connected?
- remote cable professional connected?
- fuses inserted and alright?
- analyze voltage on the amplifier.
- signal is presented?
- cinch cable alright and professional connected?
- loudspeaker professional connected?
- head unit alright?
- signal is presented?
- impedance alright?
- loudspeaker error?
- adequate airflow of the amplifier?
After cooling down, the amplifier turns on automatically.
- ground professional connected?
- loudspeaker impedance alright?
! CAUTION !
Make sure when changing fuses to use the same value.
- input level control "GAIN" is set to match the head unit?
- output level control of the head unit alright?
- loudspeaker error?
- loudspeaker cable checked?
- crossover frequencies has been properly set?
(Check head unit, amplilfier, DSP, soundprozessor,
equalizer, frequency bandpassfilter...)
- ground connection professional connected?
- short-circuit caused by loudspeaker cable with vehicle
chassi (ground)?
- cinchcable (RCA) and/or loudspeaker cabel installed
too close to the power connection cable?
- cinch ground (RCA) of the head unit alright?
CAUTION
checked with the error list!
-4-
! CAUTION !