L-Acoustics LA8, Руководство по обслуживанию

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LA8
AMPLIFIED CONTROLLER
MAINTENANCE MANUAL – LEVEL 1
VERSION 2.0
LA8_MM1_EN_2.0
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Error message
Issue Possible causes Inspection procedure / Diagnosis
“High Temperature Ch x
Channel Attenuated”
“Over Temperature Ch
x
Channel Muted”
room temperature too 1.
high
Reduce the temperature using a forced
ventilation system.
FOAM FILTER clogged 2.
Clean the FOAM FILTER, see procedure
D/R 002 .
controller not getting 3.
enough cool air
Install the controller in an open area so
that the front and rear panels are located
at a minimum distance of 30 cm from any
external object or structure.
Do not block the front and rear
ventilation grills on a controller.
If the controller is rack-mounted:
 Do not block the ventilation grills with
front or back panels or doors. If not
possible, use a forced ventilation
system.
 When stacking more than one
controller in a rack, mount them
directly on top of each other or close
any open space in the rack with blank
panels.
channel x resources 4.
solicited to their limits
Monitor the LED meter for channel x on
the controller.
In case of persistent high level or clip,
reduce the audio source output level (refer
to the
third party documentation ) and/or
the gain value on channel x .
loudspeaker impedance 5.
too low
Verify that nothing causes a short-circuit at
output
x (wrong cabling scheme, damaged
cable, or short-circuit in the speaker voice
coil).
Verify that the number of enclosures
connected in parallel to output x is not too
high.
other cause 6. Contact L-ACOUSTICS ® .
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