RL70C not communicating with RC631

[Chuck - Raymarine - Moderator]

dkritter,

Q1: it ran fine until I operated the windlass and then got a sea talk fail immediately.
A1: As indicated, an under-powered SeaTalk bus will cause a SeaTalk Fail. The symptom which you have described within this statement is indicative of a marine electronics system which has not been properly isolated from the vessel's other high power consuming devices. Please click here to view a FAQ in which I had addressed such isolation.

Q2: Lastly, I switched out the ST6001 head with a new P70 head hooked up to the STNG network and it worked. (at least at the dock) I left it on all night on battery power and no seatalk fail. I have not sea trialed it yet but I am hoping I have it solved.
A2: See the response to Q1. Until proper isolation of the marine electronics has been provided, an event such as you described in Q1 may result in a system communications failure or restart in the future.