Radar Troubleshooting - Raymarine E90W Installation Instructions Manual

6.3 Radar troubleshooting

Problems with the radar and their possible causes and solutions are described here.
Problem
No Data or No scanner message
Radar will not initialize (Voltage control
module (VCM) stuck in "sleep mode"
The bearing of a target on the radar screen
is incorrect.
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Possible causes
Radar scanner power supply
SeaTalk hs network problem
Software mismatch between equipment
may prevent communication.
Switch at scanner pedestal in OFF position
Intermittent or poor power connection
The radar bearing alignment requires
correcting.
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.
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
Check that SeaTalk hs cables are free from damage.
Contact Raymarine technical support.
Ensure scanner pedestal switch is in ON position.
Check power connection at VCM. (Voltage at input = 12 / 24 V, Voltage
at output = 40 V)
Check and adjust radar bearing alignment.
Switch.
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