Focal PERFORMANCE DIRECT FET Manuel D'utilisation page 20

FOCAL DIRECT FET
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
Illuminated red
Off
Flashing from red to
green
Off
Off
Off / illuminated green
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.
All manuals and user guides at all-guides.com
PERFORMANCE
®
Presence of sound Possible cause
NO Output short circuit
NO No power or poor
Distorted, absent
or
alternating
NO No REM signal
NO
YES/NO Grounding defect
Or distorted
Turn off the sound system
Check the speaker drivers, their
their connections and the speaker
Turn off the sound system
connection Check power source is 12V
Check the power cables and their
Overheating Turn off the sound system
Wait for your amplifier to cool down
Turn on the sound system
Check power on the REM terminal.
Fuse failure Turn off the sound system
Check and replace the fuses if
Turn off the sound system
Check the continuity of your
connection from the GND terminal to
the chassis of the vehicle.
Action
minimum impedance,
driver cables.
polarity. Check the fuses
before resuming use.
necessary.
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