"NO DATA SOURCE" RD418D

[Matt]

A lot of good information posted on this already. My E92129 is connected via SeaTalk E85001 to an E Classic 120 and 80. The radar software is 1.04. A diagnostic self test results in Scanner Status Code 0 and Scanner shutdown Code 619. The radar is on a dedicated circuit breaker. Power has been tested. All connections have been checked. The scanner starts up normally when the MFD is powered on. Underway, the scanner will shut down and display the "No Data Source" window after 45 minutes like clock work. Within seconds the countdown begins and I can hit the MFD power button, transmit etc and radar functions for a minute, and cycles again into count down etc. After the 3rd time the radar won't even go into countdown. I even tried not putting the radar into transmit mode but the "do data" window appears at 45 minutes. Periodically this happens within the initial minutes of operation, but for sure at 45 minutes. At the dock, with or without shore power, the "no data" window will rarely appear, but the radar will never completely of down. It is not a loss of power as when the circuit breaker is shut off, the connection lost window appears. I read a Raymarine notice that E-Series & Digital Radar compatibility requires a software upgrade if the version is 1.24 or earlier. I don't know if this refers to E-Classic or not, further there is no software downloads available for the RD418D. Any thoughts? Thank you