Raymarine VCM100, Installation Instructions Manual

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6.3 Radar troubleshooting
Problems with the radar and their possible causes and solutions are described here.
Problem Possible causes Possible solutions
Check that the scanner power supply cable is sound and that all connections
are tight and free from corrosion.
Check relevant fuses and breakers.
Radar scanner power supply
Check power source is of the correct voltage and sufficient current (using
voltage booster if appropriate).
Check that the Scanner is correctly connected to the display via a crossover
coupler or SeaTalk
hs switch.
Check the status of the SeaTalk hs Switch.
SeaTalk hs network problem
Check that SeaTalk hs cables are free from damage.
Software mismatch between equipment
may prevent communication. Contact Raymarine technical support.
No Data or No scanner message
Switch at scanner pedestal in OFF position Ensure scanner pedestal switch is in ON position.
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 / 24 V, Voltage
at output = 40 V)
The bearing of a target on the radar screen
is incorrect.
The radar bearing alignment requires
correcting.
Check and adjust radar bearing alignment.
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HD and SuperHD Digital Open Array Installation instructions