Getting Technical Support and Service
19
Installation, Maintenance, and Service Manual
Federal Signal www.fedsig.com
Troubleshooting the Light Bar
This section provides troubleshooting assistance for common problems. If you have any
questions left unanswered, call the Federal Signal Service Department at 1-800-433-9132,
7 am to 5 pm, Monday through Friday (CT).
Table 5 Troubleshooting tips
Problem
Corrective Action
The light bar does not light
• Verify that the light bar’s red power line (+BAT) and the black
ground- power line (–GND) are properly connected to a good, fully
charged 12-volt battery. Check the 40 A fuse.
• Verify that the CAT5 cable is connected to the controller and there
are no damaged pins in the sockets.
• Try a new CAT5 cable.
An LED module does not light
• Swap the LED board with a good board to see if the board is bad.
• Check the connections of the cable that goes from the light bar
controller to the LED ROC (Reliable Onboard Circuitry™) board.
Half of an LED module does not light
• Replace the ROC board that the LED is on.
Getting Technical Support and Service
For technical support and service, please contact:
Service Department
Federal Signal Corporation
Phone: 1-800-433-9132
Email: [email protected]
www.fedsig.com
Getting Repair Service
The Federal Signal factory provides technical assistance with any problems that cannot
be handled locally.
Any units returned to Federal Signal for service, inspection, or repair must be
accompanied by a Return Material Authorization (RMA). Obtain a RMA from a local
Distributor or Manufacturer’s Representative.
Provide a brief explanation of the service requested, or the nature of the malfunction.
Address all communications and shipments to the following:
Federal Signal Corporation
Service Department
2645 Federal Signal Drive
University Park, IL 60484-3167
