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Lawrence Varady <mrmrsv5049@...> added the album ATLAS TT IN DCC HAVING AR1 ISSUES : This shows thr TT portion of my layout. I have the DCC BUSS polarity indicated for each stall and (2) approach/exits. The color of the polarity symbols indicates different Power Districts of my layout. All feed to my Power Cab power source, no boosters.

Lawrence, what are using to provide two power districts from the Power Cab? Why? Does the AR1 get power from one of those, or directly from tje PowerCab? When you have a power interruption, what cuts out… a district CB or the Power Cab?

My first suggestion is to stop using the AR1 with the Power Cab.

DonV

All 6 of my Power Districts are from an EB6 with the POWER CAB as the ONLY source.
Like I said before the other AR1 used for the level crossing is connected the same way, but to a different power district from the EB6 and works fine.
I will swap ARs and let you know.