Installation Instructions Part 2

95 Chapter 9: Troubleshooting

GPS

• Radar will not initialize

(Voltage control module (VCM) stuck in “sleep

mode”)

• Intermittent or poor power connection. • Check power connection at VCM.

(Voltage at input = 12 V, Voltage at output = 40 V)

• Switch at scanner pedestal in OFF position. • Ensure scanner pedestal switch is in ON position.

• The bearing given on the radar window differs

from the actual bearing.

• The radar bearing alignment requires

correcting.

• Perform the bearing alignment procedures. (See Check

and adjust bearing alignment on page 84).

Problem Possible causes Possible solutions

• “No Fix” GPS status icon is displayed. • GPS equipment fault • Ensure that the GPS is functioning correctly (refer to

manufacturers handbook).

• GPS connection fault • Ensure that GPS connections and cabling are correct.

• GPS antenna in poor position

• GPS installation problem

• Ensure GPS antenna has a clear view of the sky.

• Refer to manufacturers handbook for installation details.

• Geographic location or prevailing conditions

preventing satellite fix.

• Check periodically to see if a fix is obtained in better

conditions or another geographic location.