I might as well join in the fun.
I am having problems with glitching on my new 212.
It is one of the new tank mounted units.
They did say if I sent it back they would check it out. Which is about all they can do.
But it is not that the board is not working. It does work, sometimes.
First off you have to run a separate R/C battery. NO BEC!!
My system is totally glitch free until I plug in the ballast control board.
Then the servos start moving a small amount and making noises.
When you hit the switch for dive or surface the pump will start and stop, start stop, start stop!!
Sometimes it will calm down and work.
I am going to get and try an opto-coupler in between the board and R/X.
The pump motor does not have to be running for the noise the board is sending out.
I am going to run it by Don and his wife Patty which are both electrical engineers.
I am just a closet engineer.