B52 ELP 36.4, Instruction Manual

Troubleshooting

Before installing your amplifier, read the notes you see below and follow the procedures. Always 
test the speakers and their cables before installing them in the vehicle.

No power

Check if the ground wire (GND) is properly installed.
Check dif the arrival of energy in the terminal (B +).
Check the fuses.
Check if the LED is turning it protection. it it is,  turn  the amplifier off for a few minutes and then on 
again.

Shrill whistle or engine noise in speakers

Disconnect each of the RCA inputs on the amplifier until the hissing disappears. If the hiss disap-
pears, then replace the cables. If by changing cables, whistling doesn´t disappear, check that the 
main drive cables are not touching other wires of the vehicle.
The best way to establish the level of the amplifier is putting his gain to the maximum. Try to raise 
the signal level on the main unit as much as possible and see if the hiss decreases.

Protection LED is activated when the amplifier is operating

Check for a short-circuit in the line of speakers.
Turn off the amplifier, disconnect all the speakers and turn on the amplifier. If the protection LED 
turns on again, then is the amplifier is not working properly.
If the heat sink temperature exceeds 85° C, the power supply is disconnected automatically This 
protecting the amplifier against a damage.

The amplifier overheats

Verify that the minimum speaker impedance is correct for the amplifier.
Check if the speaker wires have a short circuit.
Make sure if there is enough ventilation over the amplifier.

The sound is distorted

Verify that the gain control of the main unit is correct.
Check that all crossover frequencies are configured correctly.
Verify that the speaker wires are not touching each other.

Squealing noise in the speakers

The squeak maybe caused by a damaged cable or poor contact on the ground.

TROUBLESHOOTING

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