TROUBLE SHOOTING
If your amplifier does not appear to be working, check obvious things first
such as blown fuses, poor or incorrect wiring connections, incorrect setting of
crossover switch and gain controls, etc.
There are two LEDs on the end panel of your Kicker KX series amplifier, one
green and one red. When the green LED is lit this indicates the amplifier is
turned on and no trouble exists. If the green LED turns off and the red LED is lit
this indicates that the protection circuitry (SORT) is engaged.
The power indicator on top of the amplifier which illuminates the model
badge follows the same function as the green LED.
Green LLED ooff, nno ooutput:
Wiith aa VVollt OOhm MMeter ((VOM) ccheckk:
Ö+12 volt power terminal (should read +12V to +16V).
ÖRemote turn-on terminal (should read +12V to +16V).
ÖCheck for reversed power and ground connections.
ÖCheck for clean and solid ground.
Green LLED oon, nno ooutput:
ÖCheck RCA connections.
ÖTest speaker outputs with known good speaker.
ÖSubstitute known good source unit.
ÖCheck for signal on RCA cable with VOM meter in AC position.
Red LLED oon, nno ooutput:
1.) Amp is very hot.
ÖThermal protection is engaged. Check for proper impedance at
speaker terminals. Also check for adequate airflow around amplifier.
2.) Amp shuts down only while vehicle is running.
ÖVoltage protection is engaged. Voltage to the amplifier is not within
the 9-16 volt operating range. Have automobile charging/electrical
system inspected.
3.) Amp will only play at low volume levels.
ÖShort circuit protection is engaged. Check for speaker wires shorted
to each other or the vehicle chassis. Damaged speakers or operating
below minimum impedance will also cause this.
No ooutput ffrom oone cchannel:
ÖCheck balance control on head unit.
ÖCheck RCA & speaker connections for that channel.
ÖSwap RCA connections from left to right.
If problem changes sides then you have a bad RCA
cable or source unit problem.
ÖSwap speaker connections from left to right.
If problem changes sides then you have a bad speaker
cable or bad speaker.
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