TROUBLESHOOTING
Before removing your amplifier, refer to the list below and follow the suggested procedures. Always test the speakers and their wires first.
AMPLIFIER WILL NOT POWER UP.
Check for good ground connection.
Check that remote DC terminal has at least 13.8v DC.
Check that there is battery power on the +terminal.
Check all fuses.
Check that Protection LED is not lit If it is lit. shut off amplifier briefly and then repower it.
HIGH HISS OR ENGINE NOISE (ALTERNATOR WHINEI IN SPEAKERS.
Disconnect all RCA inputs to the
It is best to set the amplifier'sinput level as insensitive as possible. The best suQjective SIN ratio is obtainable this way. Try to drive as high a signal level
from the head unit as possible.
PROTECTION LED COMES ON W EN THE AMPLIFIER IS POWERED UP.
Check for shorts on speaker leads.
Check that the volume control on th head unit is turne(j down low.
Remove speaker leads. and reset the a plifier. If the Protection LED still comes on. then the amplifier is faulty.
AMPLIFIER(SI GETS VERY HOT.
Check that the minimum spe7 er im edance for that model is correct.
Check for speaker shorts.
Check that there is good airftow ar:ound the amplifier. In some applications, an external cooling fan may be required.
DISTORTED SOUND
Check that the Level controlls) is set to match the signal"level of t ' head unlu ' -
Check that all crossover
Check for shorts on the sP!'akerleads.
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