7
NVX
MVP
TROUBLESHOOTING
TROUBLE
SOLUTION
Power LED on amplier is not lit when
source is turned on
•
Verify remote turn-on wire has suffcient voltage
•
Make sure power (+12V), ground (Gnd) and remote (Rem) connections are secure
•
Check amplier fuse and in-line fuse
•
Make sure power wire has suffcient voltage
Power LED is on, but no output from
speakers
•
Check RCA/ High-Level Speaker connections to ensure amplier is receiving signal
•
Check gain on amplier
•
Check volume on source unit
Hearing engine noise through speakers
•
Turn the source off, then disconnect the RCA’s or speaker-level harness. If the
noise stops, check all wiring and equipment connected to the amplier and check
to make sure you have a solid ground connection. If the noise continues, contact
NVX tech support.
Amplier output distorted
•
Make sure source output is not distorted
•
Check the input sensitivity to make sure gain is not set to high.
Red LED protection indicator is lit
•
Make sure amplier has proper ventilation
•
Speakers are wired to the correct impedance for the application
•
Check to see if the speaker is short-circuited due to faulty connection or exposed wire.
•
Make sure the speaker is crossover in the correct range.
•
Make sure signal input is not shorted due to faulty connection or exposed wire.