RD418HD painting arcs, not accurate

[Chuck - Raymarine - Moderator]

Welcome to the Raymarine Forum pwagsc,

Thanks for the very good problem description, photos demonstrating the problem, and actions taken to correct the problem. Based upon all of this, it would appear that the radome has suffered a failure of its circuitry as well, quite possibly its LNC (Low Noise Converter). It is recommended that the radome be sent to Raymarine’s Product Repair Center to be bench checked / serviced. Alternatively, as the flat rate for repairing a RD418HD is $975, should the vessel in question be a sailboat, you may want to consider replacing it with the Wi-Fi only version of a Quantum radome, as the street price of this radome is very similar to that of cost of repairing the RD418HD. As repairs carry a 6 month warranty, the 3-year warranty of the new Quantum radome may also be worth consideration. Please click here to view a FAQ addressing the features which differentiate a Quantum radome from a HD Radome.