L-Acoustics LA8 - Page 48

LA
LALA
LA8
88
8 AMPLIFIED CONTROLLER
AMPLIFIED CONTROLLERAMPLIFIED CONTROLLER
AMPLIFIED CONTROLLER
USER MANUAL
USER MANUALUSER MANUAL
USER MANUAL
VERSION 4.0
LA8_UM_EN_4-0
w w w . l - a c o u s t i c s . c o m
46
4646
46
8.3.2 No power, no sound, or sound level too low
LCD screen
lit?
Main screen
displayed?
Signal LED
blinking?
Outputs
muted?
Input signal
presence? **
Output gain
correctly set?
*
Speaker
cables connected?
The contr
oller is in
standby mode
and controlled by LA NETWORK
MANAGER Software
Reboot
the
controller
by switching
it off and on again to cancel the
standby mode [7.1]
Check if AC outlet works,
connect the AC plug,
and switch the power on.
Check speaker cables
and/or speakers
Plug speaker cables on both sides
Unmute the outputs
Set the output gain to a
higher
value
Yes
Yes
No
Yes
Yes
Yes
No
No
No
No
No
No
No
Yes
*
Press and hold one of the
OUT 1
:
4
keys to check the
corresponding output gain value [7.3.1].
** Press and hold one of the IN A-B keys to check if the
corresponding input signal LED is blinking or not [7.3.1].
*** Press and hold one of the IN A-B keys to check the
corresponding
input gain
value [
7.3.1
].
Malfunction
message displayed?
[8.3.1]
Yes
Powe
r
switch on, AC plug
connected, AC outlet
working?
No
Yes
FIRMWARE
being updated?
[8.1]
Wait 4 min for the
updating sequence to
be complete.
Yes
No power, no
sound, or sound
level
too low
Refer
to
Malfu
nction message
flowchart [8.3.1]
Standby Mode
message displayed and
4 LOAD LED lit?
Yes
Yes
No
No
L
-
NET
LED
lit?
Yes
No
Contact an L
-
ACOUSTICS
®
Representative
Contact an L
-
ACOUSTICS
®
Representative
Check
level at
au
dio source
and secure signal XLR wiring
on both sides
Using
DIGITAL signal ?
No
Refer to the No DIGITAL input signal flowchart [8.3.3]
Set the input gains to a
higher
value
Input gains
correctly set?
***
Yes
No
Yes
T
rouble
solved?
END
No
Contact an L
-
ACOUSTICS
®
Representative
Yes