Troubleshooting
All LED X™ 2100 Lightbars are thoroughly tested prior to shipment. However, should you encounter a problem during installation or
during the life of the product, follow the guide below for information on repair and troubleshooting. Additional information may be
obtained from the factory technical help line at 314-996-2800.
Follow the guide below for information on repair and troubleshooting.
Note: LED modules must be replaced as a module. There are no user serviceable parts.
PROBLEM
QUESTIONS
Are both heads
LED directional or
360 module not
out on a 360
operating when
module, or is
powered.
this a directional
module?
360 corner module
Is the rear head
has one head out.
flashing and the
front head out?
360 corner module
Is the front head
steady burning and
has one head out.
the rear
head out?
Dimming does not
operate.
LED MODULE
TROUBLESHOOTING GUIDE
POSSIBLE CAUSE
Yes
a. Bad power/ground
connection.
b. Defective module.
a. See next
No
a. In front cut-off mode.
Yes
Proper functioning.
b. Check white wire between
master/slave modules for
damage or disconnection.
c. Check power and ground
of front module.
a. See next
No
Yes
a. No power to master.
Master(Rear) must be
powered for slave(front)
to operate.
No
b. Failed master.
N/A
a. White wire on module not
connected to source of +12V.
a. Connect white wire to +12V source.
14
SOLUTION
a. Fix connection.
b. Replace module.
a. No problem
b. Fix white wire/connection.
c. Fix power/ground
connection.
a. Check power/ground
connections.
b. Replace entire 360
module.
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