DF140 to Raymarine Interface

Hi All

 
Asking a question for a workmate. He bought a Raymarine with a DF90 about 5 years ago connected with an engine interface and was able to see all the engine diagnostics on the Raymarine unit but has lost communication between the two when he updated the Raymarine. He has played around with it and has had no joy getting the engine data back but he can see it on the Suzuki gauge so the engine is sending data through the network.
 
Has anyone else run into this issue that could provide some advice to flick onto him?
 
Cheers
 
JF
 
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Officially off the Pies bandwagon