14
PROBLEM
LED directional or
360 module not
operating when
powered.
360 corner module
has one head out.
360 corner module
has one head out.
Dimming does not
operate.
POSSIBLE CAUSE
a. Bad power/ground
connection.
b. Defective module.
a. See next
a. In front cut-off mode.
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
a. No power to master.
Master(Rear) must be
powered for slave(front)
to operate.
b. Failed master.
a. White wire on module not
connected to source of +12V.
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.
a. Connect white wire to +12V source.
Follow the guide below for information on repair and troubleshooting.
LED MODULE
TROUBLESHOOTING GUIDE
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.
Note:
LED modules must be replaced as a module. There are no user serviceable parts.
QUESTIONS
Are both heads
out on a 360
module, or is
this a directional
module?
Yes
No
Is the rear head
flashing and the
front head out?
Yes
No
Is the front head
steady burning and
the rear
head out?
Yes
No
N/A
