Corrective maintenanceError messagesA system message blinks and the STATUS LED is lit in red.There is a corresponding event message in LA Network Manager (refer to the LA Network Manager Help)Component status messagesLA4X components are monitored for major or critical errors and faults.Unknown HW revisionContact L-ACOUSTICSDisplayed if the DSP identication cannot be determined.System MessageHardware errorDisplayed if the rmware encounters a non-specied hardware error during startupor operation.System ErrorDSP start-up faultDisplayed if the DSP cannot initialize. Try to update the rmware. If the issue persists,contact L-Acoustics.The controller must be sent to an L-Acoustics representative for maintenance.Output channel external error messagesThe output channels are continuously monitored for external errors.Error on channel #Channel mutedDisplayed if an external error is detected at an output channel (typically due to ashort-circuit in a cable). The channel is muted. The channel is automatically unmutedwhen the issue is solved.If the error persists after disconnecting all cables and rebooting, the controller must be sent to an L-Acousticsrepresentative for maintenance.Network messageSystem MessageInvalid L-NET clientDisplayed if the unit detects a connection attempt from a version of LA NetworkManager that is not compatible with the unit rmware (typically because the versionof LA Network Manager is too old to manage the latest rmware features). UpdateLA Network Manager to version 2.3.0.0 minimum.64 LA4X owner's manual (EN) version 14.1