Troubleshooting and diagnosis
Inspection procedure / Diagnosis
Channel Attenuated”
“Over Temperature Ch
x
Channel Muted”
room temperature too high
Reduce the temperature using a forced
ventilation system.
Clean the FOAM FILTER, see procedure
D/R
003
.
controller not getting
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
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 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 (refer to the Presets Guide, enclosures, or
controllers user manuals).
short-circuit in loudspeaker or
loudspeaker cable
Verify that nothing causes a short-circuit at the
controller outputs (wrong cabling scheme,
damaged cable, or short-circuit in the speaker
voice coil). Then restart the controller.
If the issue persists, verify that each L-NET
cable works and is correctly plugged on both
ends, download firmware
again and re-
launch the update process.
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