Troubleshooting
All 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 troubleshooting and repair information. If the problem cannot be rectified using the solutions given below,
additional information may be obtained from the manufacturer – contact details are at the end of this document.
LIGHTBAR AND CONTROLLER
PROBLEM
Does not function
One or two LED head do not flash,
but Pattern 1 or Pattern 2 indicator
LED on control module is on.
LED head flashes dimly
Incorrect flash patterns
Secondary pattern does not function
ALLEY / TAKEDOWN / WORKLIGHTS
PROBLEM
Light does not function
STOP/TAIL/TURN
PROBLEM
Both/all lights do not function
POSSIBLE CAUSE
Poor power or ground connection
Blown fuse
Open circuit wiring from control mod-
ule to LED head
Failed LED head
Defective head or driver board
Wrong flash configuration
Normal operation
POSSIBLE CAUSE
Defective light
Defective controller
POSSIBLE CAUSE
Blown fuse
No power
Failed S/T/T LED head
SOLUTION
If controller functions normally, or if a 12/24V control voltage is present on
either the Pattern 1 (brown) or Pattern 2 (orange) wires, then replace the
driver board in the lightbar.
If controller does not function, then check fuse, cables, and connections to
the lightbar and to the controller.
Check wiring, replace fuse
Connect a known-good LED head to the problem output to ensure the con-
trol module is working correctly. Repair or replace.
Replace LED head
Check correct LED head
Re-program the lightbar flash pattern for either Program 1 or Program 2, or
both.
Primary function overrides secondary function – turn off primary function
SOLUTION
Replace light
If indicator LED on controller is lit, then it is either the light, or the
cable to the light, or the driver board. Otherwise the controller is
defective.
SOLUTION
Check wiring, replace fuse
Check to see if vehicle S/T/T lights function properly
Make sure that the S/T/T head is plugged into the S/T/T control board
and not the driver board. Replace S/T/T LED head and/or its cable.
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