Amplifier Troubleshooting Guide
Status LEDs on Amplifier not Lit—Head Unit (Source) Turned “ON”
VerifyRemote
Power (B+) connections at amplifier, terminal blocks, and battery are secure Ground (GND) connections at amplifier and vehicle chassis are secure Battery B+ fuse and amplifier fuse are OK
B+ at battery and B+ at amplifier have proper voltage
Status LEDs Lit, no Output from
VerifyHigh-level cables from speaker(s) to amplifier are securely connected
RCA or Speaker Level Input from amplifier to source are securely connected Sensitivity adjustment on amplifier is correctly adjusted
Engine Noise from Speaker(s)
Turn source “OFF” and disconnect RCA cables at amplifier
If noise stops, check equipment and cables leading to amplifier
VerifyRCA cables are of good quality with no breakage to internal shields RCA cables from source to amplifier are not run alongside power
Amplifier Output
VerifySource output to amplifier is not distorted
Amplifier input sensitivity is correctly adjusted
Amplifier Shutting Down, RED LED
VerifyAmplifier is mounted with adequate space around heatsink
Amplifier is not mounted under carpet
Speakers meet correct impedance for application (mono or stereo hookup)
Amplifier not Turning “ON”, RED LED
VerifySpeaker crossover is not defective
Amplifier not Turning “ON”, RED LED
| Internal fuse needs to be replaced |
Verify | Replace fuse with fuse of same value |
Amplifier not Turning “ON”, RED LED
Amplifier requires service
If Service Seems Necessary:
First, contact the dealer from whom you purchased the product, or contact us via
USA and Canada: support@bostona.com
Europe: support@bostona.com
Japan:
Asia/Pacific countries:
We will promptly advise you of what action to take.
Boston Acoustics, Inc. 300 Jubilee Drive, Peabody, MA 01960 USA
T: 978.538.5000 F: 978.538.5100 W: bostonacoustics.com/car
Boston, B/A ellipse symbol, Boston Acoustics, and the Boston Acoustics logo are registered trademarks and
