Raymarine G-Series system, Installation & Commissioning Instructions

Page: 95 / 128

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
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.