L-Acoustics LA8 Maintenance Manual page 8

LA8
AMPLIFIED CONTROLLER
MAINTENANCE MANUAL – LEVEL 1
VERSION 2.0
Issue
LCD screen switched off when the
LA8 is on ("black screen")
LCD screen lit but nothing is
displayed ("blue screen")
LCD screen lit but dark
Any action from the front interface
has no effect (controller not in
standby mode and not locked, see
the LA NWM video tutorial)
One meter LED does not work
whereas another LED of this
meter works
The L-NET LED does not work
when online (see the LA NWM
video tutorial)
LA8_MM1_E N_2.0
Front panel interface
Possible causes
1. POWER CORD not
connected to mains
2. mains failure or wrong
voltage
3. other cause
1. controller connected to a
non-compatible network
2. condensing humidity into
the LCD screen
3. other cause
any
any
any
any
w w w . l - a c o u s t i c s . c o m
Inspection procedure / Diagnosis
Connect the POWER CORD to the mains.
Verify if the mains is available and if the
voltage is compatible with the indications on
the identification plate of the controller
(back panel).
Contact L-ACOUSTICS ® .
Unplug all cables from the L-NET
connectors and restart the controller.
Put the controller in a non-condensing
environment and wait until the LCD screen
is dry.
Contact L-ACOUSTICS ® .
®
Contact L-ACOUSTICS .
Contact L-ACOUSTICS ® .
Contact L-ACOUSTICS ® .
®
Contact L-ACOUSTICS .
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