TROUBLE SHOOTINGS
● XAD-serie amplifiers have protection features to prevent any damages from misuse or faulty conditions.
● If XAD-serie amplifiers sense excessive heat, short circuited speakers DC, or voltage the protection indicator
will light, and the system will be turned off.
● In order to check the problem, you should turn all levels down and all power off and carefully check the
installation for wiring mistakes or short.
● If XAD-serie amplifiers shut down due to excessive heat, They will be working later when it is cooled down
● Before removing your amplifier, refer to the list below and follow the suggested procedures.
NO SOUND ( NO OUTPUT )
● Please check all connections, cables' rounting, short & voltage.
● Please check the fuses. If they are blown, please replace with new ones.
● Please check whether speakers work well, you can test speakers by connecting to another amplifier
DISTORTION & NOISE
● Readjust input level and check the speaker quality at another amplifier. Replace poor quality speakers with
good quality ones.
● Check amplifiers and headunit's ground contact. all grounds should be common.
● Check RCA Jack, then replace with new one or reroute RCA Jack.
● Engine noise is caused by poor grounding of amplifiers, headunit, other components, battery or alternator,
so please check all grounding connections.
POOR BASS RESPONSE
● Please check speaker cables and reverse polarity.
03
ENGLISH
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