L-Acoustics LA12X, Руководство пользователя

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Maintenance
Troubleshooting and diagnosis
For any issue, consider the diagnosis tables for the possible causes and inspection procedures (if any).
Before applying any procedure, consider the
Exploded view (p.66) to get acquainted with the disassembly/
reassembly procedures to perform before and after.
Interface issues
“black screen" and no LEDs when the controller is on
possible cause diagnosis / procedure
power cord is not connected
— check that the power cord is connected to mains
— check that the powerCON is properly connected and
locked
mains failure or incompatible voltage
check that mains are available and that voltage is
compatible (100 V-240 V ~ ±10%, 50-60 Hz)
power cord damaged inspect the power cord. If necessary, replace it
amplied controller on standby
connect the amplied controller to a computer running LA
Network Manager (the L-NET connector LEDs turn on) and
switch the amplied controller to the operating mode.
other causes contact L-Acoustics
"grey screen": LCD screen lit but nothing displayed
possible cause diagnosis / procedure
condensing humidity
put the controller in a non-condensing environment and
wait until dry
start-up / rmware issue
— try powering off and on again
— check if LA Network Manager detects the amplied
controller
— try to update the rmware
other causes contact L-Acoustics
LCD screen lit but dark
— LED & Backlight settings on low or off: modify the LED & Backlight settings
— other causes: contact L-Acoustics
any action from the front interface has no effect
(controller not in standby mode and not locked, refer to the LA Network Manager video tutorial)
— contact L-Acoustics
one LED in a meter does not work (while the other LEDs of this meter work)
— contact L-Acoustics
the L-NET LED does not work when online
(refer to the LA Network Manager video tutorial)
— contact L-Acoustics
amplied controller does not power on (power LED is always red)
— contact L-Acoustics
LA12X user manual (en) version 2.0 58