P5 error with my ac

Hi everyone I have a P5 error with my ac. Im wondering if anyone is familiar with this. Thanks
Oh, I am. That is a data communications error. It can be the connection between display and controller. That error BTW is not listed in the manual. The first thing to try is to completely remove then reestablish power from the AC system. Second replace the data cable.
You can also try and swap the display with another on the boat and see if the problem follows the display.
 

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