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Following is a list of common easily remedied issues. Consult this list if you are having any
difficulties operating your speakers.
TROUBLESHOOTING LIST
Condition Cause Remedy
Lack of network terminators Install terminators in first and last speaker.
Volume setting seems
low
DIM button on Remote
Control is activated
Press DIM button on remote control to restore full
volume. Caution – To prevent sudden jump in volume,
lower the system volume setting prior to deactivating
DIM control.
No Meter Display Brightness control is turned
down
Use the brightness control or hold +/- to enter the
brightness mode, and push + until you have the
brightness level you like.
The speaker will not
output any audio, and
the solo light on the
front is blinking.
The Speaker is in SOLO
mode.
In a networked system, press SOLO on the speakers
that have their SOLO button blinking. If your system
is no longer networked and the speaker is still muted,
hard reset your loudspeaker.
I just finished
connecting my system,
but there is no audio.
Input selection is not set to
match input source.
Make sure your input selection matches the inputs you
are using (Analog, S/PDIF, AES/EBU).
I selected my digital
input, but the audio
keeps dropping out.
Poor connection, defective
cable, or source is unstable.
Check connections and cables. Confirm you are using
suitable cable of proper impedance. If cables and
connections are OK, source may be unstable.
I am having trouble
daisy- chaining my
digital audio through
multiple speakers.
Cable may not be suitable for
digital application.
Make sure you are using cables per the
S/PDIF and AES/EBU specification as described on
page 39 in this manual.
My remote control
doesn’t work all of the
time.
Batteries weak.
Remote is not pointed at the
receiver.
Make sure remote is pointed at the Front Left speaker
(the speaker with LEFT DIP switch in the ON position).
My speaker will not
power up. There
are no lights at all
anywhere on the
speaker.
Speaker is not connected
to power source or fuse is
blown.
Confirm your speaker is connected to an active power
source.
Check the fuse. If blown, replace with the spare
provided in the fuse holder in the IEC power
connector. If speaker fails to power-up please call JBL
Customer Service.
Upon boot –up,
LSR4300 Control
Center Sofware
does not “recognize”
connected speakers.
USB connection and/or
Network cables not properly
connected.
Missing terminator.
Check all network connections to make sure the CAT5
cable is inserted all the way into each jack.
Make sure you have two network terminators
installed in your system so that all RJ485 jacks are in
use. Confirm the USB cable from your computer is
connected to the front left speaker (the speaker with
LEFT DIP switch in the ON position).
Appendix F: Error Messages and Troubleshooting