Focal PERFORMANCE DIRECT FET, Руководство пользователя

Страница: 20 / 48

20
FOCAL DIRECT FET
®
PERFORMANCE
U s e r m a n u a l
If you want to use the FD4.350 with its independent 4-channel input configuration, select mode 3/4.
If you want to use the FD4.350 in 3-channel mode, select mode 1+2. Channels 3/4 will then receive the mono signal
from channels 1 and 2 of your subwoofer.
5 – Troubleshooting
The state of the different indicator LEDs refer to the nature or the cause of a malfunction.
Check the possible causes shown below. If, despite these checks, the equipment is still not working correctly, contact
your FD amplifier installer or dealer.
Status of indicator
LEDs
Presence of sound Possible cause Action
Illuminated red NO Output short circuit Turn off the sound system
Check the speaker drivers, their
minimum impedance,
their connections and the speaker
driver cables.
Off NO No power or poor
connection
Turn off the sound system
Check power source is 12V
Check the power cables and their
polarity. Check the fuses
Flashing from red to
green
Distorted, absent
or
alternating
Overheating Turn off the sound system
Wait for your amplifier to cool down
before resuming use.
Off NO No REM signal Turn on the sound system
Check power on the REM terminal.
Off NO Fuse failure Turn off the sound system
Check and replace the fuses if
necessary.
Off / illuminated green YES/NO
Or distorted
Grounding defect Turn off the sound system
Check the continuity of your
connection from the GND terminal to
the chassis of the vehicle.
CAUTION
FD4.350 is working with a particular starting sequence. It needs both REM signal and audio signal at
the input to start correctly. Please, check audiosignal presence with sufficient volume on the head unit.