Gentlemen,
If his P2 engines are working correctly, this sounds like the P3 engine problem that happened on my old layout, there is a reason I do not own any P3 engines as of yet, some seem to be having problems.
Barry disagreed with me when I noted this problem quite a while back. I saw this happen before on my office/gameroom layout. I do not use any bricks, and the only way some of these P3 engines worked decently was with the old ZW & DCS, with the handles left up to 16 or 18 volts prior to initiating power. As long as the handles were up on the old ZW the engines would most of the time function properly, every once in a while we would need to restart the DCS TIU. Remember however back then I was using a 3.10 DCS. However I still believe this is a P3 engine Quality control problem.
I doubt it is a problem with the Z4K, if all his P2 engines work properly and his P3 engines do not.
PCRR/Dave
