TROUBLESHOOTING

TROUBLE-S H O O T

I N G

Symptom

Diagnosis

Remedy

Amplifier does not turn on.

Voltage applied to the REM terminal of the

Check the alternator, battery, fuse, and

(Power LED is off)

amplifier is not between 10.5 and 15.5

wiring and repair as necessary. If the volt-

 

 

volts or there is no voltage present.

age is above 15.5 volts, have the electrical

 

 

 

system inspected by an authorized car

 

 

 

service center.

 

 

 

 

 

 

 

Voltage to the B+ terminal of the amplifier

Check the alternator, battery, fuse, and

 

 

is not between 10.5 and 15.5 volts or there

wiring and repair as necessary. If the volt-

 

 

is no voltage present.

age is above 15.5 volts, have the electrical

 

 

 

system inspected by an authorized car

 

 

 

service center.

 

 

 

 

 

 

 

Amplifier is not properly grounded.

Check wiring and repair as necessary.

 

 

 

 

Amplifier has no sound.

RCA Input from source unit is not connected

Check connections, substitute with known

(Power LED is on)

or not functioning properly.

working source and cables and repair or

 

 

 

replace as necessary.

 

 

 

 

 

 

 

When using the BLT, Balanced Line Input

Check connections, substitute with known

 

 

from BLT is not connected or not function-

working BLT and cables and repair or

 

 

ing properly.

replace as necessary.

 

 

 

 

 

 

 

Unbalanced/Balanced Line switch is not

Check switch position and correct as neces-

 

 

selected for corresponding input.

sary.

 

 

 

 

 

 

 

Amplifier is in E-Z Bridge operation but

Check signal, speaker wiring, and left chan-

 

 

incorrect signal input, speaker wiring, and/

nel phase selection installation and correct

 

 

or left channel 180° phase selection is

as needed.

 

 

chosen.

 

 

 

 

 

 

 

 

 

XCards are missing or not placed properly

Check crossover switches and XCard posi-

 

 

in crossover slots and/or switches are not

tions and repair or replace as necessary.

 

 

properly selected.

 

 

 

 

 

 

 

 

 

Speaker leads are shorted to each other or

Disconnect existing speakers and test with

 

 

to the chassis of the vehicle.

known working speakers and wires. If am-

 

 

 

plifier plays, check and repair wiring and

 

 

 

installation of speakers as necessary.

 

 

 

 

 

 

Speakers are defective.

Disconnect existing speakers and test with

 

 

 

known working speakers. If amplifier plays,

 

 

 

check and repair speakers as necessary.

 

 

 

 

 

– 40 –

Page 42 Page 44
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Rockford Fosgate 250.2 manual Troubleshooting, Symptom Diagnosis Remedy, Amplifier does not turn on, Amplifier has no sound
Page 42 Page 44

250.2 specifications

The Rockford Fosgate 250.2 is a powerful and versatile car amplifier known for its performance and reliability. As part of Rockford Fosgate’s renowned line of audio equipment, the 250.2 is engineered to enhance the listening experience in vehicles, providing a fantastic balance of power, clarity, and durability.

This amplifier delivers an impressive 250 watts of power, making it suitable for both beginner audiophiles and seasoned enthusiasts who seek to elevate their car audio system. The 250.2 is a two-channel amplifier, which means it can power two speakers or one subwoofer. Utilizing a class A/B topology, it ensures high efficiency while minimizing distortion, resulting in clean and powerful audio output.

One of the standout features of the Rockford Fosgate 250.2 is its Signal Sense turn-on technology. This feature allows the amplifier to automatically turn on when it detects a signal from the head unit, eliminating the need for a manual switch. Additionally, the built-in remote gain control allows users to adjust the amplifier’s output level easily, providing a customizable audio experience tailored to their preferences.

The 250.2 is equipped with an adjustable crossover that can be set to high-pass, low-pass, or full-range modes. This flexibility permits users to fine-tune the frequencies sent to their speakers, optimizing sound quality and performance. Further enhancing its capabilities, the amplifier also includes built-in variable bass boost that allows users to amplify low frequencies for a more impactful bass response.

Constructed with a durable aluminum heatsink, the Rockford Fosgate 250.2 maintains optimal temperature during operation, ensuring long-lasting performance and minimizing thermal issues. The amplifier also features RCA inputs, making it compatible with a wide range of audio sources, enhancing its versatility for various setups.

In summary, the Rockford Fosgate 250.2 is a reliable and robust car amplifier that combines high power output with advanced technologies and user-friendly features. Its efficient design, customizable settings, and quality construction make it an excellent choice for anyone looking to improve their vehicle's sound system. Whether for day-to-day driving or road trips, the Rockford Fosgate 250.2 provides an audio experience that is both powerful and enjoyable, reinforcing Rockford Fosgate's reputation as a leader in the car audio industry.
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