L-Acoustics LA8, Руководство по обслуживанию

Страница: 11 / 21

LA8_MM1_EN_2.0
w w w . l - a c o u s t i c s . c o m 1 1 / 21
Error message (continued)
Issue Possible causes Inspection procedure / Diagnosis
“System Message
Fuseprotect”
and signal attenuated
controller resources solicited to
their limits
Monitor the LED meters on the controller.
In case of persistent high level or clip,
reduce the gain values of channels OUT1-4
on the controller and the output gain value
on the audio source (refer to the
third
party documentation ).
“System Message
Fuseprotect”
and signal muted
mains voltage drop when the
controller is on
Verify if each controller is connected to
mains with the following ratings: 16 A for
230 V or 30 A for 120 V (LA8, LA8CN or
LA8US), 15 A for 200 V or 30 A for 100 V
(LA8JP).
“DC on Channel x
Channel Muted”
sporadic DC presence
Lower the gain on channel x .
If the issue persists, inspect the audio
source.
“DC on Channel x
Channel Disabled”
persistent DC presence 1.
Inspect the audio source and restart the
controller.
other cause 2. Contact L-ACOUSTICS ® .
“ Error on Channel x
Channel Muted”
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.
“Error on Channel x
Channel Disabled”
sporadic error 1.
Restart the controller.
other cause 2. Contact L-ACOUSTICS ® .
“System Message
Waiting SMPS”
controller powered off 1.
Power the controller on.
controller power supply 2.
failure
Wait for 1 minute.
If the issue persists, restart the controller.
mains failure or wrong 3.
voltage
Verify if the mains works and if the voltage
is compatible with the indications written
on the back panel of the controller.
other cause 4. Contact L-ACOUSTICS ® .
“System Message
Waiting SMPS”
for 1 minute, then:
“System Message
SMPS ERROR”
any Contact L-ACOUSTICS ® .
“System Message
Update error”
firmware update failure 1.
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.
other cause 2. Contact L-ACOUSTICS
®
.
“System Message
DSP ERROR”
any
Restart the controller.
If the issue persists, contact
L-ACOUSTICS ® .
“System Message
INIT ERROR”
any Contact L-ACOUSTICS ® .
continued on next page…